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| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_struct.html">pyarrow.types.is_struct</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_union.html">pyarrow.types.is_union</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_nested.html">pyarrow.types.is_nested</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_run_end_encoded.html">pyarrow.types.is_run_end_encoded</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_temporal.html">pyarrow.types.is_temporal</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_timestamp.html">pyarrow.types.is_timestamp</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_date.html">pyarrow.types.is_date</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_date32.html">pyarrow.types.is_date32</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_duration.html">pyarrow.types.is_duration</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_interval.html">pyarrow.types.is_interval</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_null.html">pyarrow.types.is_null</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_binary.html">pyarrow.types.is_binary</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_unicode.html">pyarrow.types.is_unicode</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_string.html">pyarrow.types.is_string</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_large_binary.html">pyarrow.types.is_large_binary</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_large_unicode.html">pyarrow.types.is_large_unicode</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_large_string.html">pyarrow.types.is_large_string</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_binary_view.html">pyarrow.types.is_binary_view</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_string_view.html">pyarrow.types.is_string_view</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_fixed_size_binary.html">pyarrow.types.is_fixed_size_binary</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_map.html">pyarrow.types.is_map</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_dictionary.html">pyarrow.types.is_dictionary</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.is_primitive.html">pyarrow.types.is_primitive</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.types.TypesEnum.html">pyarrow.types.TypesEnum</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../../python/api/arrays.html">Arrays and Scalars</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.array.html">pyarrow.array</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Array.html">pyarrow.Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.BooleanArray.html">pyarrow.BooleanArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.FloatingPointArray.html">pyarrow.FloatingPointArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.IntegerArray.html">pyarrow.IntegerArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Int8Array.html">pyarrow.Int8Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Int16Array.html">pyarrow.Int16Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Int32Array.html">pyarrow.Int32Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Int64Array.html">pyarrow.Int64Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.NullArray.html">pyarrow.NullArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.NumericArray.html">pyarrow.NumericArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.UInt8Array.html">pyarrow.UInt8Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.UInt16Array.html">pyarrow.UInt16Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.UInt32Array.html">pyarrow.UInt32Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.UInt64Array.html">pyarrow.UInt64Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.HalfFloatArray.html">pyarrow.HalfFloatArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.FloatArray.html">pyarrow.FloatArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.DoubleArray.html">pyarrow.DoubleArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.BinaryArray.html">pyarrow.BinaryArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.StringArray.html">pyarrow.StringArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.FixedSizeBinaryArray.html">pyarrow.FixedSizeBinaryArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.LargeBinaryArray.html">pyarrow.LargeBinaryArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.LargeStringArray.html">pyarrow.LargeStringArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.BinaryViewArray.html">pyarrow.BinaryViewArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.StringViewArray.html">pyarrow.StringViewArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Time32Array.html">pyarrow.Time32Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Time64Array.html">pyarrow.Time64Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Date32Array.html">pyarrow.Date32Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Date64Array.html">pyarrow.Date64Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.TimestampArray.html">pyarrow.TimestampArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.DurationArray.html">pyarrow.DurationArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.MonthDayNanoIntervalArray.html">pyarrow.MonthDayNanoIntervalArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Decimal32Array.html">pyarrow.Decimal32Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Decimal64Array.html">pyarrow.Decimal64Array</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.DictionaryArray.html">pyarrow.DictionaryArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.ListArray.html">pyarrow.ListArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.FixedSizeListArray.html">pyarrow.FixedSizeListArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.LargeListArray.html">pyarrow.LargeListArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.ListViewArray.html">pyarrow.ListViewArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.LargeListViewArray.html">pyarrow.LargeListViewArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.MapArray.html">pyarrow.MapArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.RunEndEncodedArray.html">pyarrow.RunEndEncodedArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.StructArray.html">pyarrow.StructArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.UnionArray.html">pyarrow.UnionArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.ExtensionArray.html">pyarrow.ExtensionArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.FixedShapeTensorArray.html">pyarrow.FixedShapeTensorArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.OpaqueArray.html">pyarrow.OpaqueArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.JsonArray.html">pyarrow.JsonArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.UuidArray.html">pyarrow.UuidArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Bool8Array.html">pyarrow.Bool8Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.scalar.html">pyarrow.scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.NA.html">pyarrow.NA</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Scalar.html">pyarrow.Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.BooleanScalar.html">pyarrow.BooleanScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Int8Scalar.html">pyarrow.Int8Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Int16Scalar.html">pyarrow.Int16Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Int32Scalar.html">pyarrow.Int32Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Int64Scalar.html">pyarrow.Int64Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.NullScalar.html">pyarrow.NullScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.UInt8Scalar.html">pyarrow.UInt8Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.UInt16Scalar.html">pyarrow.UInt16Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.UInt32Scalar.html">pyarrow.UInt32Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.UInt64Scalar.html">pyarrow.UInt64Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.HalfFloatScalar.html">pyarrow.HalfFloatScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.FloatScalar.html">pyarrow.FloatScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.DoubleScalar.html">pyarrow.DoubleScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.BinaryScalar.html">pyarrow.BinaryScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.StringScalar.html">pyarrow.StringScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.FixedSizeBinaryScalar.html">pyarrow.FixedSizeBinaryScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.LargeBinaryScalar.html">pyarrow.LargeBinaryScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.LargeStringScalar.html">pyarrow.LargeStringScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.BinaryViewScalar.html">pyarrow.BinaryViewScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.StringViewScalar.html">pyarrow.StringViewScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Time32Scalar.html">pyarrow.Time32Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Time64Scalar.html">pyarrow.Time64Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Date32Scalar.html">pyarrow.Date32Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Date64Scalar.html">pyarrow.Date64Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.TimestampScalar.html">pyarrow.TimestampScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.DurationScalar.html">pyarrow.DurationScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.MonthDayNanoIntervalScalar.html">pyarrow.MonthDayNanoIntervalScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Decimal128Scalar.html">pyarrow.Decimal128Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Decimal256Scalar.html">pyarrow.Decimal256Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.DictionaryScalar.html">pyarrow.DictionaryScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.RunEndEncodedScalar.html">pyarrow.RunEndEncodedScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.ListScalar.html">pyarrow.ListScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.FixedSizeListScalar.html">pyarrow.FixedSizeListScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.LargeListScalar.html">pyarrow.LargeListScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.ListViewScalar.html">pyarrow.ListViewScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.LargeListViewScalar.html">pyarrow.LargeListViewScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.MapScalar.html">pyarrow.MapScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.StructScalar.html">pyarrow.StructScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.UnionScalar.html">pyarrow.UnionScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.ExtensionScalar.html">pyarrow.ExtensionScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.FixedShapeTensorScalar.html">pyarrow.FixedShapeTensorScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.OpaqueScalar.html">pyarrow.OpaqueScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.JsonScalar.html">pyarrow.JsonScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.UuidScalar.html">pyarrow.UuidScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Bool8Scalar.html">pyarrow.Bool8Scalar</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../../python/api/memory.html">Buffers and Memory</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.allocate_buffer.html">pyarrow.allocate_buffer</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.py_buffer.html">pyarrow.py_buffer</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.foreign_buffer.html">pyarrow.foreign_buffer</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Buffer.html">pyarrow.Buffer</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.ResizableBuffer.html">pyarrow.ResizableBuffer</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Codec.html">pyarrow.Codec</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.compress.html">pyarrow.compress</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.decompress.html">pyarrow.decompress</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.MemoryPool.html">pyarrow.MemoryPool</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.default_memory_pool.html">pyarrow.default_memory_pool</a></li> |
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| <section id="two-dimensional-datasets"> |
| <h1>Two-dimensional Datasets<a class="headerlink" href="#two-dimensional-datasets" title="Link to this heading">#</a></h1> |
| <section id="record-batches"> |
| <h2>Record Batches<a class="headerlink" href="#record-batches" title="Link to this heading">#</a></h2> |
| <dl class="cpp class"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow11RecordBatchE"> |
| <span id="_CPPv3N5arrow11RecordBatchE"></span><span id="_CPPv2N5arrow11RecordBatchE"></span><span id="arrow::RecordBatch"></span><span class="target" id="classarrow_1_1_record_batch"></span><span class="k"><span class="pre">class</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">RecordBatch</span></span></span><a class="headerlink" href="#_CPPv4N5arrow11RecordBatchE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Collection of equal-length arrays matching a particular <a class="reference internal" href="datatype.html#classarrow_1_1_schema"><span class="std std-ref">Schema</span></a>. </p> |
| <p>A record batch is table-like data structure that is semantically a sequence of fields, each a contiguous Arrow array </p> |
| <div class="breathe-sectiondef docutils container"> |
| <p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-functions">Public Functions</p> |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch13ToStructArrayEv"> |
| <span id="_CPPv3NK5arrow11RecordBatch13ToStructArrayEv"></span><span id="_CPPv2NK5arrow11RecordBatch13ToStructArrayEv"></span><span id="arrow::RecordBatch::ToStructArrayC"></span><span class="target" id="classarrow_1_1_record_batch_1af4f5f281ceb8f30a2c8317780ee21486"></span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow11StructArrayE" title="arrow::StructArray"><span class="n"><span class="pre">StructArray</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ToStructArray</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch13ToStructArrayEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Convert record batch to struct array. </p> |
| <p>Create a struct array whose child arrays are the record batch’s columns. Note that the record batch’s top-level field metadata cannot be reflected in the resulting struct array. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch8ToTensorEbbP10MemoryPool"> |
| <span id="_CPPv3NK5arrow11RecordBatch8ToTensorEbbP10MemoryPool"></span><span id="_CPPv2NK5arrow11RecordBatch8ToTensorEbbP10MemoryPool"></span><span id="arrow::RecordBatch::ToTensor__b.b.MemoryPoolPC"></span><span class="target" id="classarrow_1_1_record_batch_1ae14c891cf1f58010cb0ee0c947055213"></span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="tensor.html#_CPPv4N5arrow6TensorE" title="arrow::Tensor"><span class="n"><span class="pre">Tensor</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ToTensor</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">null_to_nan</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="k"><span class="pre">false</span></span>, <span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">row_major</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="k"><span class="pre">true</span></span>, <a class="reference internal" href="memory.html#_CPPv4N5arrow10MemoryPoolE" title="arrow::MemoryPool"><span class="n"><span class="pre">MemoryPool</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">pool</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="memory.html#_CPPv4N5arrow19default_memory_poolEv" title="arrow::default_memory_pool"><span class="n"><span class="pre">default_memory_pool</span></span></a><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch8ToTensorEbbP10MemoryPool" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Convert record batch with one data type to <a class="reference internal" href="tensor.html#classarrow_1_1_tensor"><span class="std std-ref">Tensor</span></a>. </p> |
| <p>Create a <a class="reference internal" href="tensor.html#classarrow_1_1_tensor"><span class="std std-ref">Tensor</span></a> object with shape (number of rows, number of columns) and strides (type size in bytes, type size in bytes * number of rows). Generated <a class="reference internal" href="tensor.html#classarrow_1_1_tensor"><span class="std std-ref">Tensor</span></a> will have column-major layout.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>null_to_nan</strong> – <strong>[in]</strong> if true, convert nulls to NaN </p></li> |
| <li><p><strong>row_major</strong> – <strong>[in]</strong> if true, create row-major <a class="reference internal" href="tensor.html#classarrow_1_1_tensor"><span class="std std-ref">Tensor</span></a> else column-major <a class="reference internal" href="tensor.html#classarrow_1_1_tensor"><span class="std std-ref">Tensor</span></a></p></li> |
| <li><p><strong>pool</strong> – <strong>[in]</strong> the memory pool to allocate the tensor buffer </p></li> |
| </ul> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>the resulting <a class="reference internal" href="tensor.html#classarrow_1_1_tensor"><span class="std std-ref">Tensor</span></a></p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch6EqualsERK11RecordBatchbRK12EqualOptions"> |
| <span id="_CPPv3NK5arrow11RecordBatch6EqualsERK11RecordBatchbRK12EqualOptions"></span><span id="_CPPv2NK5arrow11RecordBatch6EqualsERK11RecordBatchbRK12EqualOptions"></span><span id="arrow::RecordBatch::Equals__RecordBatchCR.b.EqualOptionsCRC"></span><span class="target" id="classarrow_1_1_record_batch_1a6924e668d0302082eab3de8160ef43ed"></span><span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Equals</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">other</span></span>, <span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">check_metadata</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="k"><span class="pre">false</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="utilities.html#_CPPv4N5arrow12EqualOptionsE" title="arrow::EqualOptions"><span class="n"><span class="pre">EqualOptions</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">opts</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="utilities.html#_CPPv4N5arrow12EqualOptionsE" title="arrow::EqualOptions"><span class="n"><span class="pre">EqualOptions</span></span></a><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">Defaults</span></span><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch6EqualsERK11RecordBatchbRK12EqualOptions" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Determine if two record batches are equal. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>other</strong> – <strong>[in]</strong> the <a class="reference internal" href="#classarrow_1_1_record_batch"><span class="std std-ref">RecordBatch</span></a> to compare with </p></li> |
| <li><p><strong>check_metadata</strong> – <strong>[in]</strong> if true, the schema metadata will be compared, regardless of the value set in <a class="reference internal" href="utilities.html#classarrow_1_1_equal_options_1a810bf2026a55f5c55043ecba9f32bdb6"><span class="std std-ref">EqualOptions::use_metadata</span></a></p></li> |
| <li><p><strong>opts</strong> – <strong>[in]</strong> the options for equality comparisons </p></li> |
| </ul> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>true if batches are equal </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch6EqualsERK11RecordBatchRK12EqualOptions"> |
| <span id="_CPPv3NK5arrow11RecordBatch6EqualsERK11RecordBatchRK12EqualOptions"></span><span id="_CPPv2NK5arrow11RecordBatch6EqualsERK11RecordBatchRK12EqualOptions"></span><span id="arrow::RecordBatch::Equals__RecordBatchCR.EqualOptionsCRC"></span><span class="target" id="classarrow_1_1_record_batch_1a4b890e98808a3d32d0f79b73a0176a24"></span><span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Equals</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">other</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="utilities.html#_CPPv4N5arrow12EqualOptionsE" title="arrow::EqualOptions"><span class="n"><span class="pre">EqualOptions</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">opts</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch6EqualsERK11RecordBatchRK12EqualOptions" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Determine if two record batches are equal. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>other</strong> – <strong>[in]</strong> the <a class="reference internal" href="#classarrow_1_1_record_batch"><span class="std std-ref">RecordBatch</span></a> to compare with </p></li> |
| <li><p><strong>opts</strong> – <strong>[in]</strong> the options for equality comparisons </p></li> |
| </ul> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>true if batches are equal </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch12ApproxEqualsERK11RecordBatchRK12EqualOptions"> |
| <span id="_CPPv3NK5arrow11RecordBatch12ApproxEqualsERK11RecordBatchRK12EqualOptions"></span><span id="_CPPv2NK5arrow11RecordBatch12ApproxEqualsERK11RecordBatchRK12EqualOptions"></span><span id="arrow::RecordBatch::ApproxEquals__RecordBatchCR.EqualOptionsCRC"></span><span class="target" id="classarrow_1_1_record_batch_1a4301fbc8ece82671157f41443f2b672f"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ApproxEquals</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">other</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="utilities.html#_CPPv4N5arrow12EqualOptionsE" title="arrow::EqualOptions"><span class="n"><span class="pre">EqualOptions</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">opts</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="utilities.html#_CPPv4N5arrow12EqualOptionsE" title="arrow::EqualOptions"><span class="n"><span class="pre">EqualOptions</span></span></a><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">Defaults</span></span><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch12ApproxEqualsERK11RecordBatchRK12EqualOptions" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Determine if two record batches are approximately equal. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>other</strong> – <strong>[in]</strong> the <a class="reference internal" href="#classarrow_1_1_record_batch"><span class="std std-ref">RecordBatch</span></a> to compare with </p></li> |
| <li><p><strong>opts</strong> – <strong>[in]</strong> the options for equality comparisons </p></li> |
| </ul> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>true if batches are approximately equal </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch6schemaEv"> |
| <span id="_CPPv3NK5arrow11RecordBatch6schemaEv"></span><span id="_CPPv2NK5arrow11RecordBatch6schemaEv"></span><span id="arrow::RecordBatch::schemaC"></span><span class="target" id="classarrow_1_1_record_batch_1a14e7ee479de843cf41786a2a76904ee4"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow6SchemaE" title="arrow::Schema"><span class="n"><span class="pre">Schema</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">schema</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch6schemaEv" title="Link to this definition">#</a><br /></dt> |
| <dd><dl class="field-list simple"> |
| <dt class="field-odd">Returns<span class="colon">:</span></dt> |
| <dd class="field-odd"><p>the record batch’s schema </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch13ReplaceSchemaENSt10shared_ptrI6SchemaEE"> |
| <span id="_CPPv3NK5arrow11RecordBatch13ReplaceSchemaENSt10shared_ptrI6SchemaEE"></span><span id="_CPPv2NK5arrow11RecordBatch13ReplaceSchemaENSt10shared_ptrI6SchemaEE"></span><span id="arrow::RecordBatch::ReplaceSchema__std::shared_ptr:Schema:C"></span><span class="target" id="classarrow_1_1_record_batch_1a0cb2a8eae15adf7668da8464cb5e95ce"></span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ReplaceSchema</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow6SchemaE" title="arrow::Schema"><span class="n"><span class="pre">Schema</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">schema</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch13ReplaceSchemaENSt10shared_ptrI6SchemaEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Replace the schema with another schema with the same types, but potentially different field names and/or metadata. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch7columnsEv"> |
| <span id="_CPPv3NK5arrow11RecordBatch7columnsEv"></span><span id="_CPPv2NK5arrow11RecordBatch7columnsEv"></span><span id="arrow::RecordBatch::columnsC"></span><span class="target" id="classarrow_1_1_record_batch_1ad6362d5fdbf1f63d24d9a627d503f8aa"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">vector</span></span><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow5ArrayE" title="arrow::Array"><span class="n"><span class="pre">Array</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">columns</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch7columnsEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Retrieve all columns at once. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch6columnEi"> |
| <span id="_CPPv3NK5arrow11RecordBatch6columnEi"></span><span id="_CPPv2NK5arrow11RecordBatch6columnEi"></span><span id="arrow::RecordBatch::column__iC"></span><span class="target" id="classarrow_1_1_record_batch_1a7bd1f279fba6d6bf1ae29b4937a3b1d1"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow5ArrayE" title="arrow::Array"><span class="n"><span class="pre">Array</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">column</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">i</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch6columnEi" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Retrieve an array from the record batch. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><strong>i</strong> – <strong>[in]</strong> field index, does not boundscheck </p> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>an <a class="reference internal" href="array.html#classarrow_1_1_array"><span class="std std-ref">Array</span></a> object </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch15GetColumnByNameERKNSt6stringE"> |
| <span id="_CPPv3NK5arrow11RecordBatch15GetColumnByNameERKNSt6stringE"></span><span id="_CPPv2NK5arrow11RecordBatch15GetColumnByNameERKNSt6stringE"></span><span id="arrow::RecordBatch::GetColumnByName__ssCRC"></span><span class="target" id="classarrow_1_1_record_batch_1af04be98e37a3893b435a1c8f5802400c"></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow5ArrayE" title="arrow::Array"><span class="n"><span class="pre">Array</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">GetColumnByName</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">name</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch15GetColumnByNameERKNSt6stringE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Retrieve an array from the record batch. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><strong>name</strong> – <strong>[in]</strong> field name </p> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>an <a class="reference internal" href="array.html#classarrow_1_1_array"><span class="std std-ref">Array</span></a> or null if no field was found </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch11column_dataEi"> |
| <span id="_CPPv3NK5arrow11RecordBatch11column_dataEi"></span><span id="_CPPv2NK5arrow11RecordBatch11column_dataEi"></span><span id="arrow::RecordBatch::column_data__iC"></span><span class="target" id="classarrow_1_1_record_batch_1a0a5b2f3407fc6d199d6575f9001a1505"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow9ArrayDataE" title="arrow::ArrayData"><span class="n"><span class="pre">ArrayData</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">column_data</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">i</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch11column_dataEi" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Retrieve an array’s internal data from the record batch. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><strong>i</strong> – <strong>[in]</strong> field index, does not boundscheck </p> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>an internal <a class="reference internal" href="array.html#structarrow_1_1_array_data"><span class="std std-ref">ArrayData</span></a> object </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch11column_dataEv"> |
| <span id="_CPPv3NK5arrow11RecordBatch11column_dataEv"></span><span id="_CPPv2NK5arrow11RecordBatch11column_dataEv"></span><span id="arrow::RecordBatch::column_dataC"></span><span class="target" id="classarrow_1_1_record_batch_1afb4c4df80eb4aaaaec1e7c77d5991931"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">ArrayDataVector</span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">column_data</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch11column_dataEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Retrieve all arrays’ internal data from the record batch. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch9AddColumnEiRKNSt10shared_ptrI5FieldEERKNSt10shared_ptrI5ArrayEE"> |
| <span id="_CPPv3NK5arrow11RecordBatch9AddColumnEiRKNSt10shared_ptrI5FieldEERKNSt10shared_ptrI5ArrayEE"></span><span id="_CPPv2NK5arrow11RecordBatch9AddColumnEiRKNSt10shared_ptrI5FieldEERKNSt10shared_ptrI5ArrayEE"></span><span id="arrow::RecordBatch::AddColumn__i.std::shared_ptr:Field:CR.std::shared_ptr:Array:CRC"></span><span class="target" id="classarrow_1_1_record_batch_1a648e24bd1a21085bd8fdf0226ac97f01"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">AddColumn</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">i</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow5FieldE" title="arrow::Field"><span class="n"><span class="pre">Field</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">field</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow5ArrayE" title="arrow::Array"><span class="n"><span class="pre">Array</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">column</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch9AddColumnEiRKNSt10shared_ptrI5FieldEERKNSt10shared_ptrI5ArrayEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Add column to the record batch, producing a new <a class="reference internal" href="#classarrow_1_1_record_batch"><span class="std std-ref">RecordBatch</span></a>. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>i</strong> – <strong>[in]</strong> field index, which will be boundschecked </p></li> |
| <li><p><strong>field</strong> – <strong>[in]</strong> field to be added </p></li> |
| <li><p><strong>column</strong> – <strong>[in]</strong> column to be added </p></li> |
| </ul> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch9AddColumnEiNSt6stringERKNSt10shared_ptrI5ArrayEE"> |
| <span id="_CPPv3NK5arrow11RecordBatch9AddColumnEiNSt6stringERKNSt10shared_ptrI5ArrayEE"></span><span id="_CPPv2NK5arrow11RecordBatch9AddColumnEiNSt6stringERKNSt10shared_ptrI5ArrayEE"></span><span id="arrow::RecordBatch::AddColumn__i.ss.std::shared_ptr:Array:CRC"></span><span class="target" id="classarrow_1_1_record_batch_1ac1294ac70abd21e86f2a321fb9e1ae42"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">AddColumn</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">i</span></span>, <span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">field_name</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow5ArrayE" title="arrow::Array"><span class="n"><span class="pre">Array</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">column</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch9AddColumnEiNSt6stringERKNSt10shared_ptrI5ArrayEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Add new nullable column to the record batch, producing a new <a class="reference internal" href="#classarrow_1_1_record_batch"><span class="std std-ref">RecordBatch</span></a>. </p> |
| <p>For non-nullable columns, use the Field-based version of this method.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>i</strong> – <strong>[in]</strong> field index, which will be boundschecked </p></li> |
| <li><p><strong>field_name</strong> – <strong>[in]</strong> name of field to be added </p></li> |
| <li><p><strong>column</strong> – <strong>[in]</strong> column to be added </p></li> |
| </ul> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch9SetColumnEiRKNSt10shared_ptrI5FieldEERKNSt10shared_ptrI5ArrayEE"> |
| <span id="_CPPv3NK5arrow11RecordBatch9SetColumnEiRKNSt10shared_ptrI5FieldEERKNSt10shared_ptrI5ArrayEE"></span><span id="_CPPv2NK5arrow11RecordBatch9SetColumnEiRKNSt10shared_ptrI5FieldEERKNSt10shared_ptrI5ArrayEE"></span><span id="arrow::RecordBatch::SetColumn__i.std::shared_ptr:Field:CR.std::shared_ptr:Array:CRC"></span><span class="target" id="classarrow_1_1_record_batch_1abab493b7920b29e20828bdb769dd99f8"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">SetColumn</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">i</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow5FieldE" title="arrow::Field"><span class="n"><span class="pre">Field</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">field</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow5ArrayE" title="arrow::Array"><span class="n"><span class="pre">Array</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">column</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch9SetColumnEiRKNSt10shared_ptrI5FieldEERKNSt10shared_ptrI5ArrayEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Replace a column in the record batch, producing a new <a class="reference internal" href="#classarrow_1_1_record_batch"><span class="std std-ref">RecordBatch</span></a>. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>i</strong> – <strong>[in]</strong> field index, does boundscheck </p></li> |
| <li><p><strong>field</strong> – <strong>[in]</strong> field to be replaced </p></li> |
| <li><p><strong>column</strong> – <strong>[in]</strong> column to be replaced </p></li> |
| </ul> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch12RemoveColumnEi"> |
| <span id="_CPPv3NK5arrow11RecordBatch12RemoveColumnEi"></span><span id="_CPPv2NK5arrow11RecordBatch12RemoveColumnEi"></span><span id="arrow::RecordBatch::RemoveColumn__iC"></span><span class="target" id="classarrow_1_1_record_batch_1a33e54a1997cad59df04aecee34555e56"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">RemoveColumn</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">i</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch12RemoveColumnEi" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Remove column from the record batch, producing a new <a class="reference internal" href="#classarrow_1_1_record_batch"><span class="std std-ref">RecordBatch</span></a>. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><strong>i</strong> – <strong>[in]</strong> field index, does boundscheck </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch11column_nameEi"> |
| <span id="_CPPv3NK5arrow11RecordBatch11column_nameEi"></span><span id="_CPPv2NK5arrow11RecordBatch11column_nameEi"></span><span id="arrow::RecordBatch::column_name__iC"></span><span class="target" id="classarrow_1_1_record_batch_1aec43e0f39c3bf867939dcfa3a1b639a4"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">column_name</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">i</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch11column_nameEi" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Name in i-th column. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch11num_columnsEv"> |
| <span id="_CPPv3NK5arrow11RecordBatch11num_columnsEv"></span><span id="_CPPv2NK5arrow11RecordBatch11num_columnsEv"></span><span id="arrow::RecordBatch::num_columnsC"></span><span class="target" id="classarrow_1_1_record_batch_1a9cc71f8b2e351ea3e432686172f34546"></span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">num_columns</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch11num_columnsEv" title="Link to this definition">#</a><br /></dt> |
| <dd><dl class="field-list simple"> |
| <dt class="field-odd">Returns<span class="colon">:</span></dt> |
| <dd class="field-odd"><p>the number of columns in the table </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch8num_rowsEv"> |
| <span id="_CPPv3NK5arrow11RecordBatch8num_rowsEv"></span><span id="_CPPv2NK5arrow11RecordBatch8num_rowsEv"></span><span id="arrow::RecordBatch::num_rowsC"></span><span class="target" id="classarrow_1_1_record_batch_1aa1012641ffba9c70786dffbb2bb76d4f"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="n"><span class="pre">int64_t</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">num_rows</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch8num_rowsEv" title="Link to this definition">#</a><br /></dt> |
| <dd><dl class="field-list simple"> |
| <dt class="field-odd">Returns<span class="colon">:</span></dt> |
| <dd class="field-odd"><p>the number of rows (the corresponding length of each column) </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch6CopyToERKNSt10shared_ptrI13MemoryManagerEE"> |
| <span id="_CPPv3NK5arrow11RecordBatch6CopyToERKNSt10shared_ptrI13MemoryManagerEE"></span><span id="_CPPv2NK5arrow11RecordBatch6CopyToERKNSt10shared_ptrI13MemoryManagerEE"></span><span id="arrow::RecordBatch::CopyTo__std::shared_ptr:MemoryManager:CRC"></span><span class="target" id="classarrow_1_1_record_batch_1a1351f500d6e3f7f0a7f607de8f67b069"></span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">CopyTo</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="memory.html#_CPPv4N5arrow13MemoryManagerE" title="arrow::MemoryManager"><span class="n"><span class="pre">MemoryManager</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">to</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch6CopyToERKNSt10shared_ptrI13MemoryManagerEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Copy the entire <a class="reference internal" href="#classarrow_1_1_record_batch"><span class="std std-ref">RecordBatch</span></a> to destination <a class="reference internal" href="memory.html#classarrow_1_1_memory_manager"><span class="std std-ref">MemoryManager</span></a>. </p> |
| <p>This uses <a class="reference internal" href="array.html#classarrow_1_1_array_1a28f29b8baee83c128ac56ded336a41b3"><span class="std std-ref">Array::CopyTo</span></a> on each column of the record batch to create a new record batch where all underlying buffers for the columns have been copied to the destination <a class="reference internal" href="memory.html#classarrow_1_1_memory_manager"><span class="std std-ref">MemoryManager</span></a>. This uses <a class="reference internal" href="memory.html#classarrow_1_1_memory_manager_1a9c3dbd9ca7049b98d79025f0f7250a0f"><span class="std std-ref">MemoryManager::CopyBuffer</span></a> under the hood. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch12ViewOrCopyToERKNSt10shared_ptrI13MemoryManagerEE"> |
| <span id="_CPPv3NK5arrow11RecordBatch12ViewOrCopyToERKNSt10shared_ptrI13MemoryManagerEE"></span><span id="_CPPv2NK5arrow11RecordBatch12ViewOrCopyToERKNSt10shared_ptrI13MemoryManagerEE"></span><span id="arrow::RecordBatch::ViewOrCopyTo__std::shared_ptr:MemoryManager:CRC"></span><span class="target" id="classarrow_1_1_record_batch_1a9aae4fe947fa5ab4b60a726be07d993f"></span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ViewOrCopyTo</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="memory.html#_CPPv4N5arrow13MemoryManagerE" title="arrow::MemoryManager"><span class="n"><span class="pre">MemoryManager</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">to</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch12ViewOrCopyToERKNSt10shared_ptrI13MemoryManagerEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>View or Copy the entire <a class="reference internal" href="#classarrow_1_1_record_batch"><span class="std std-ref">RecordBatch</span></a> to destination <a class="reference internal" href="memory.html#classarrow_1_1_memory_manager"><span class="std std-ref">MemoryManager</span></a>. </p> |
| <p>This uses <a class="reference internal" href="array.html#classarrow_1_1_array_1ab75f2dc4f51aff57b220ec64b52269c6"><span class="std std-ref">Array::ViewOrCopyTo</span></a> on each column of the record batch to create a new record batch where all underlying buffers for the columns have been zero-copy viewed on the destination <a class="reference internal" href="memory.html#classarrow_1_1_memory_manager"><span class="std std-ref">MemoryManager</span></a>, falling back to performing a copy if it can’t be viewed as a zero-copy buffer. This uses <a class="reference internal" href="memory.html#classarrow_1_1_buffer_1a3c35b3fef1ee81d3612b8555cc7ef8a8"><span class="std std-ref">Buffer::ViewOrCopy</span></a> under the hood. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch5SliceE7int64_t"> |
| <span id="_CPPv3NK5arrow11RecordBatch5SliceE7int64_t"></span><span id="_CPPv2NK5arrow11RecordBatch5SliceE7int64_t"></span><span id="arrow::RecordBatch::Slice__int64_tC"></span><span class="target" id="classarrow_1_1_record_batch_1af472169f9cefff1e18eab52e2d054940"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Slice</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">int64_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">offset</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch5SliceE7int64_t" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Slice each of the arrays in the record batch. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><strong>offset</strong> – <strong>[in]</strong> the starting offset to slice, through end of batch </p> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>new record batch </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch5SliceE7int64_t7int64_t"> |
| <span id="_CPPv3NK5arrow11RecordBatch5SliceE7int64_t7int64_t"></span><span id="_CPPv2NK5arrow11RecordBatch5SliceE7int64_t7int64_t"></span><span id="arrow::RecordBatch::Slice__int64_t.int64_tC"></span><span class="target" id="classarrow_1_1_record_batch_1aaa95b3875f84c4403985b4d053ddf7ab"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Slice</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">int64_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">offset</span></span>, <span class="n"><span class="pre">int64_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">length</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch5SliceE7int64_t7int64_t" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Slice each of the arrays in the record batch. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>offset</strong> – <strong>[in]</strong> the starting offset to slice </p></li> |
| <li><p><strong>length</strong> – <strong>[in]</strong> the number of elements to slice from offset </p></li> |
| </ul> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>new record batch </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch8ToStringEv"> |
| <span id="_CPPv3NK5arrow11RecordBatch8ToStringEv"></span><span id="_CPPv2NK5arrow11RecordBatch8ToStringEv"></span><span id="arrow::RecordBatch::ToStringC"></span><span class="target" id="classarrow_1_1_record_batch_1a8f351c307a2f924c2278c98df0d255c6"></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ToString</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch8ToStringEv" title="Link to this definition">#</a><br /></dt> |
| <dd><dl class="field-list simple"> |
| <dt class="field-odd">Returns<span class="colon">:</span></dt> |
| <dd class="field-odd"><p>PrettyPrint representation suitable for debugging </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch11ColumnNamesEv"> |
| <span id="_CPPv3NK5arrow11RecordBatch11ColumnNamesEv"></span><span id="_CPPv2NK5arrow11RecordBatch11ColumnNamesEv"></span><span id="arrow::RecordBatch::ColumnNamesC"></span><span class="target" id="classarrow_1_1_record_batch_1afd5a2b6d0f7fbd6879f6e245e772d15c"></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">vector</span></span><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ColumnNames</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch11ColumnNamesEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Return names of all columns. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch13RenameColumnsERKNSt6vectorINSt6stringEEE"> |
| <span id="_CPPv3NK5arrow11RecordBatch13RenameColumnsERKNSt6vectorINSt6stringEEE"></span><span id="_CPPv2NK5arrow11RecordBatch13RenameColumnsERKNSt6vectorINSt6stringEEE"></span><span id="arrow::RecordBatch::RenameColumns__std::vector:ss:CRC"></span><span class="target" id="classarrow_1_1_record_batch_1a52f3f521f3fe51e60bdb1e7ae8e99632"></span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">RenameColumns</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">vector</span></span><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">names</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch13RenameColumnsERKNSt6vectorINSt6stringEEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Rename columns with provided names. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch13SelectColumnsERKNSt6vectorIiEE"> |
| <span id="_CPPv3NK5arrow11RecordBatch13SelectColumnsERKNSt6vectorIiEE"></span><span id="_CPPv2NK5arrow11RecordBatch13SelectColumnsERKNSt6vectorIiEE"></span><span id="arrow::RecordBatch::SelectColumns__std::vector:i:CRC"></span><span class="target" id="classarrow_1_1_record_batch_1adf7d6f44cb8f10b66b3d3083b70b35cd"></span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">SelectColumns</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">vector</span></span><span class="p"><span class="pre"><</span></span><span class="kt"><span class="pre">int</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">indices</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch13SelectColumnsERKNSt6vectorIiEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Return new record batch with specified columns. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch8ValidateEv"> |
| <span id="_CPPv3NK5arrow11RecordBatch8ValidateEv"></span><span id="_CPPv2NK5arrow11RecordBatch8ValidateEv"></span><span id="arrow::RecordBatch::ValidateC"></span><span class="target" id="classarrow_1_1_record_batch_1a7b30a4c8ae99b8f21527983ed0622a76"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4N5arrow6StatusE" title="arrow::Status"><span class="n"><span class="pre">Status</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Validate</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch8ValidateEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Perform cheap validation checks to determine obvious inconsistencies within the record batch’s schema and internal data. </p> |
| <p>This is O(k) where k is the total number of fields and array descendents.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Returns<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><a class="reference internal" href="support.html#classarrow_1_1_status"><span class="std std-ref">Status</span></a></p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch12ValidateFullEv"> |
| <span id="_CPPv3NK5arrow11RecordBatch12ValidateFullEv"></span><span id="_CPPv2NK5arrow11RecordBatch12ValidateFullEv"></span><span id="arrow::RecordBatch::ValidateFullC"></span><span class="target" id="classarrow_1_1_record_batch_1a23583cb9f8da0f3f636e227a16ef8d0b"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4N5arrow6StatusE" title="arrow::Status"><span class="n"><span class="pre">Status</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ValidateFull</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch12ValidateFullEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Perform extensive validation checks to determine inconsistencies within the record batch’s schema and internal data. </p> |
| <p>This is potentially O(k*n) where n is the number of rows.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Returns<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><a class="reference internal" href="support.html#classarrow_1_1_status"><span class="std std-ref">Status</span></a></p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch12GetSyncEventEv"> |
| <span id="_CPPv3NK5arrow11RecordBatch12GetSyncEventEv"></span><span id="_CPPv2NK5arrow11RecordBatch12GetSyncEventEv"></span><span id="arrow::RecordBatch::GetSyncEventC"></span><span class="target" id="classarrow_1_1_record_batch_1a57468d4eafd67bcdfdeb6776be2f47e0"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="memory.html#_CPPv4N5arrow6DeviceE" title="arrow::Device"><span class="n"><span class="pre">Device</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="memory.html#_CPPv4N5arrow6Device9SyncEventE" title="arrow::Device::SyncEvent"><span class="n"><span class="pre">SyncEvent</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">GetSyncEvent</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch12GetSyncEventEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>EXPERIMENTAL: Return a top-level sync event object for this record batch. </p> |
| <p>If all of the data for this record batch is in CPU memory, then this will return null. If the data for this batch is on a device, then if synchronization is needed before accessing the data the returned sync event will allow for it.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Returns<span class="colon">:</span></dt> |
| <dd class="field-odd"><p>null or a <a class="reference internal" href="memory.html#classarrow_1_1_device_1_1_sync_event"><span class="std std-ref">Device::SyncEvent</span></a></p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow11RecordBatch19MakeStatisticsArrayEP10MemoryPool"> |
| <span id="_CPPv3NK5arrow11RecordBatch19MakeStatisticsArrayEP10MemoryPool"></span><span id="_CPPv2NK5arrow11RecordBatch19MakeStatisticsArrayEP10MemoryPool"></span><span id="arrow::RecordBatch::MakeStatisticsArray__MemoryPoolPC"></span><span class="target" id="classarrow_1_1_record_batch_1a892d4d1dfb3683c7e1f04b9d23e4f2f4"></span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow5ArrayE" title="arrow::Array"><span class="n"><span class="pre">Array</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">MakeStatisticsArray</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="memory.html#_CPPv4N5arrow10MemoryPoolE" title="arrow::MemoryPool"><span class="n"><span class="pre">MemoryPool</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">pool</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="memory.html#_CPPv4N5arrow19default_memory_poolEv" title="arrow::default_memory_pool"><span class="n"><span class="pre">default_memory_pool</span></span></a><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow11RecordBatch19MakeStatisticsArrayEP10MemoryPool" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Create a statistics array of this record batch. </p> |
| <p>The created array follows the C data interface statistics specification. See <a class="reference external" href="https://arrow.apache.org/docs/format/StatisticsSchema.html">https://arrow.apache.org/docs/format/StatisticsSchema.html</a> for details.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><strong>pool</strong> – <strong>[in]</strong> the memory pool to allocate memory from </p> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>the statistics array of this record batch </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| </div> |
| <div class="breathe-sectiondef docutils container"> |
| <p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-functions">Public Static Functions</p> |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow11RecordBatch4MakeENSt10shared_ptrI6SchemaEE7int64_tNSt6vectorINSt10shared_ptrI5ArrayEEEENSt10shared_ptrIN6Device9SyncEventEEE"> |
| <span id="_CPPv3N5arrow11RecordBatch4MakeENSt10shared_ptrI6SchemaEE7int64_tNSt6vectorINSt10shared_ptrI5ArrayEEEENSt10shared_ptrIN6Device9SyncEventEEE"></span><span id="_CPPv2N5arrow11RecordBatch4MakeENSt10shared_ptrI6SchemaEE7int64_tNSt6vectorINSt10shared_ptrI5ArrayEEEENSt10shared_ptrIN6Device9SyncEventEEE"></span><span id="arrow::RecordBatch::Make__std::shared_ptr:Schema:.int64_t.std::vector:std::shared_ptr:Array::.std::shared_ptr:Device::SyncEvent:"></span><span class="target" id="classarrow_1_1_record_batch_1ae30b2a6722e6f44ca51040dfb695f126"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Make</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow6SchemaE" title="arrow::Schema"><span class="n"><span class="pre">Schema</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">schema</span></span>, <span class="n"><span class="pre">int64_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">num_rows</span></span>, <span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">vector</span></span><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow5ArrayE" title="arrow::Array"><span class="n"><span class="pre">Array</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">columns</span></span>, <span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="memory.html#_CPPv4N5arrow6DeviceE" title="arrow::Device"><span class="n"><span class="pre">Device</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="memory.html#_CPPv4N5arrow6Device9SyncEventE" title="arrow::Device::SyncEvent"><span class="n"><span class="pre">SyncEvent</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">sync_event</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="n"><span class="pre">NULLPTR</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow11RecordBatch4MakeENSt10shared_ptrI6SchemaEE7int64_tNSt6vectorINSt10shared_ptrI5ArrayEEEENSt10shared_ptrIN6Device9SyncEventEEE" title="Link to this definition">#</a><br /></dt> |
| <dd><dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>schema</strong> – <strong>[in]</strong> The record batch schema </p></li> |
| <li><p><strong>num_rows</strong> – <strong>[in]</strong> length of fields in the record batch. Each array should have the same length as num_rows </p></li> |
| <li><p><strong>columns</strong> – <strong>[in]</strong> the record batch fields as vector of arrays </p></li> |
| <li><p><strong>sync_event</strong> – <strong>[in]</strong> optional synchronization event for non-CPU device memory used by buffers </p></li> |
| </ul> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow11RecordBatch4MakeENSt10shared_ptrI6SchemaEE7int64_tNSt6vectorINSt10shared_ptrI9ArrayDataEEEE20DeviceAllocationTypeNSt10shared_ptrIN6Device9SyncEventEEE"> |
| <span id="_CPPv3N5arrow11RecordBatch4MakeENSt10shared_ptrI6SchemaEE7int64_tNSt6vectorINSt10shared_ptrI9ArrayDataEEEE20DeviceAllocationTypeNSt10shared_ptrIN6Device9SyncEventEEE"></span><span id="_CPPv2N5arrow11RecordBatch4MakeENSt10shared_ptrI6SchemaEE7int64_tNSt6vectorINSt10shared_ptrI9ArrayDataEEEE20DeviceAllocationTypeNSt10shared_ptrIN6Device9SyncEventEEE"></span><span id="arrow::RecordBatch::Make__std::shared_ptr:Schema:.int64_t.std::vector:std::shared_ptr:ArrayData::.DeviceAllocationType.std::shared_ptr:Device::SyncEvent:"></span><span class="target" id="classarrow_1_1_record_batch_1af54acbbc9d9f759ab551367e747d5778"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Make</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow6SchemaE" title="arrow::Schema"><span class="n"><span class="pre">Schema</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">schema</span></span>, <span class="n"><span class="pre">int64_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">num_rows</span></span>, <span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">vector</span></span><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow9ArrayDataE" title="arrow::ArrayData"><span class="n"><span class="pre">ArrayData</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">columns</span></span>, <span class="n"><span class="pre">DeviceAllocationType</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">device_type</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="n"><span class="pre">DeviceAllocationType</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">kCPU</span></span>, <span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="memory.html#_CPPv4N5arrow6DeviceE" title="arrow::Device"><span class="n"><span class="pre">Device</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="memory.html#_CPPv4N5arrow6Device9SyncEventE" title="arrow::Device::SyncEvent"><span class="n"><span class="pre">SyncEvent</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">sync_event</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="n"><span class="pre">NULLPTR</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow11RecordBatch4MakeENSt10shared_ptrI6SchemaEE7int64_tNSt6vectorINSt10shared_ptrI9ArrayDataEEEE20DeviceAllocationTypeNSt10shared_ptrIN6Device9SyncEventEEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Construct record batch from vector of internal data structures. </p> |
| <p> |
| This class is intended for internal use, or advanced users.<dl class="simple"> |
| <dt><strong>Since</strong></dt><dd><p>0.5.0</p> |
| </dd> |
| </dl> |
| </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>schema</strong> – the record batch schema </p></li> |
| <li><p><strong>num_rows</strong> – the number of semantic rows in the record batch. This should be equal to the length of each field </p></li> |
| <li><p><strong>columns</strong> – the data for the batch’s columns </p></li> |
| <li><p><strong>device_type</strong> – the type of the device that the Arrow columns are allocated on </p></li> |
| <li><p><strong>sync_event</strong> – optional synchronization event for non-CPU device memory used by buffers </p></li> |
| </ul> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow11RecordBatch9MakeEmptyENSt10shared_ptrI6SchemaEEP10MemoryPool"> |
| <span id="_CPPv3N5arrow11RecordBatch9MakeEmptyENSt10shared_ptrI6SchemaEEP10MemoryPool"></span><span id="_CPPv2N5arrow11RecordBatch9MakeEmptyENSt10shared_ptrI6SchemaEEP10MemoryPool"></span><span id="arrow::RecordBatch::MakeEmpty__std::shared_ptr:Schema:.MemoryPoolP"></span><span class="target" id="classarrow_1_1_record_batch_1a739f036c19b42ef8a71b447027bcb6b0"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">MakeEmpty</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow6SchemaE" title="arrow::Schema"><span class="n"><span class="pre">Schema</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">schema</span></span>, <a class="reference internal" href="memory.html#_CPPv4N5arrow10MemoryPoolE" title="arrow::MemoryPool"><span class="n"><span class="pre">MemoryPool</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">pool</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="memory.html#_CPPv4N5arrow19default_memory_poolEv" title="arrow::default_memory_pool"><span class="n"><span class="pre">default_memory_pool</span></span></a><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow11RecordBatch9MakeEmptyENSt10shared_ptrI6SchemaEEP10MemoryPool" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Create an empty <a class="reference internal" href="#classarrow_1_1_record_batch"><span class="std std-ref">RecordBatch</span></a> of a given schema. </p> |
| <p>The output <a class="reference internal" href="#classarrow_1_1_record_batch"><span class="std std-ref">RecordBatch</span></a> will be created with DataTypes from the given schema.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>schema</strong> – <strong>[in]</strong> the schema of the empty <a class="reference internal" href="#classarrow_1_1_record_batch"><span class="std std-ref">RecordBatch</span></a></p></li> |
| <li><p><strong>pool</strong> – <strong>[in]</strong> the memory pool to allocate memory from </p></li> |
| </ul> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>the resulting <a class="reference internal" href="#classarrow_1_1_record_batch"><span class="std std-ref">RecordBatch</span></a></p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow11RecordBatch15FromStructArrayERKNSt10shared_ptrI5ArrayEEP10MemoryPool"> |
| <span id="_CPPv3N5arrow11RecordBatch15FromStructArrayERKNSt10shared_ptrI5ArrayEEP10MemoryPool"></span><span id="_CPPv2N5arrow11RecordBatch15FromStructArrayERKNSt10shared_ptrI5ArrayEEP10MemoryPool"></span><span id="arrow::RecordBatch::FromStructArray__std::shared_ptr:Array:CR.MemoryPoolP"></span><span class="target" id="classarrow_1_1_record_batch_1ab3193da666d57463e6f3990ab2605c0b"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">FromStructArray</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow5ArrayE" title="arrow::Array"><span class="n"><span class="pre">Array</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">array</span></span>, <a class="reference internal" href="memory.html#_CPPv4N5arrow10MemoryPoolE" title="arrow::MemoryPool"><span class="n"><span class="pre">MemoryPool</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">pool</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="memory.html#_CPPv4N5arrow19default_memory_poolEv" title="arrow::default_memory_pool"><span class="n"><span class="pre">default_memory_pool</span></span></a><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow11RecordBatch15FromStructArrayERKNSt10shared_ptrI5ArrayEEP10MemoryPool" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Construct record batch from struct array. </p> |
| <p>This constructs a record batch using the child arrays of the given array, which must be a struct array.</p> |
| <p> |
| This operation will usually be zero-copy. However, if the struct array has an offset or a validity bitmap then these will need to be pushed into the child arrays. Pushing the offset is zero-copy but pushing the validity bitmap is not. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>array</strong> – <strong>[in]</strong> the source array, must be a <a class="reference internal" href="array.html#classarrow_1_1_struct_array"><span class="std std-ref">StructArray</span></a></p></li> |
| <li><p><strong>pool</strong> – <strong>[in]</strong> the memory pool to allocate new validity bitmaps</p></li> |
| </ul> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| </div> |
| </dd></dl> |
| |
| <dl class="cpp class"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow17RecordBatchReaderE"> |
| <span id="_CPPv3N5arrow17RecordBatchReaderE"></span><span id="_CPPv2N5arrow17RecordBatchReaderE"></span><span id="arrow::RecordBatchReader"></span><span class="target" id="classarrow_1_1_record_batch_reader"></span><span class="k"><span class="pre">class</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">RecordBatchReader</span></span></span><a class="headerlink" href="#_CPPv4N5arrow17RecordBatchReaderE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Abstract interface for reading stream of record batches. </p> |
| <p>Subclassed by <a class="reference internal" href="#classarrow_1_1_table_batch_reader"><span class="std std-ref">arrow::TableBatchReader</span></a>, <a class="reference internal" href="formats.html#classarrow_1_1csv_1_1_streaming_reader"><span class="std std-ref">arrow::csv::StreamingReader</span></a>, arrow::flight::sql::example::SqliteStatementBatchReader, arrow::flight::sql::example::SqliteTablesWithSchemaBatchReader, <a class="reference internal" href="ipc.html#classarrow_1_1ipc_1_1_record_batch_stream_reader"><span class="std std-ref">arrow::ipc::RecordBatchStreamReader</span></a>, <a class="reference internal" href="formats.html#classarrow_1_1json_1_1_streaming_reader"><span class="std std-ref">arrow::json::StreamingReader</span></a></p> |
| <div class="breathe-sectiondef docutils container"> |
| <p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-functions">Public Functions</p> |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow17RecordBatchReader6schemaEv"> |
| <span id="_CPPv3NK5arrow17RecordBatchReader6schemaEv"></span><span id="_CPPv2NK5arrow17RecordBatchReader6schemaEv"></span><span id="arrow::RecordBatchReader::schemaC"></span><span class="target" id="classarrow_1_1_record_batch_reader_1a5a3f5f0e1aff07743b0ef03bee6e4c49"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow6SchemaE" title="arrow::Schema"><span class="n"><span class="pre">Schema</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">schema</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow17RecordBatchReader6schemaEv" title="Link to this definition">#</a><br /></dt> |
| <dd><dl class="field-list simple"> |
| <dt class="field-odd">Returns<span class="colon">:</span></dt> |
| <dd class="field-odd"><p>the shared schema of the record batches in the stream </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow17RecordBatchReader8ReadNextEPNSt10shared_ptrI11RecordBatchEE"> |
| <span id="_CPPv3N5arrow17RecordBatchReader8ReadNextEPNSt10shared_ptrI11RecordBatchEE"></span><span id="_CPPv2N5arrow17RecordBatchReader8ReadNextEPNSt10shared_ptrI11RecordBatchEE"></span><span id="arrow::RecordBatchReader::ReadNext__std::shared_ptr:RecordBatch:P"></span><span class="target" id="classarrow_1_1_record_batch_reader_1aaffe944df9d8a4c3e6592eb2f8f78f9f"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4N5arrow6StatusE" title="arrow::Status"><span class="n"><span class="pre">Status</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ReadNext</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">batch</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4N5arrow17RecordBatchReader8ReadNextEPNSt10shared_ptrI11RecordBatchEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Read the next record batch in the stream. </p> |
| <p>Return null for batch when reaching end of stream</p> |
| <p>Example:</p> |
| <div class="highlight-default notranslate"><div class="highlight"><pre><span></span>while (true) { |
| std::shared_ptr<RecordBatch> batch; |
| ARROW_RETURN_NOT_OK(reader->ReadNext(&batch)); |
| if (!batch) { |
| break; |
| } |
| // handling the `batch`, the `batch->num_rows()` |
| // might be 0. |
| } |
| </pre></div> |
| </div> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><strong>batch</strong> – <strong>[out]</strong> the next loaded batch, null at end of stream. Returning an empty batch doesn’t mean the end of stream because it is valid data. </p> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p><a class="reference internal" href="support.html#classarrow_1_1_status"><span class="std std-ref">Status</span></a></p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow17RecordBatchReader4NextEv"> |
| <span id="_CPPv3N5arrow17RecordBatchReader4NextEv"></span><span id="_CPPv2N5arrow17RecordBatchReader4NextEv"></span><span id="arrow::RecordBatchReader::Next"></span><span class="target" id="classarrow_1_1_record_batch_reader_1a758ec2eafdf6e352cc0b0783a8294fc8"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Next</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow17RecordBatchReader4NextEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p><a class="reference internal" href="utilities.html#classarrow_1_1_iterator"><span class="std std-ref">Iterator</span></a> interface. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow17RecordBatchReader5CloseEv"> |
| <span id="_CPPv3N5arrow17RecordBatchReader5CloseEv"></span><span id="_CPPv2N5arrow17RecordBatchReader5CloseEv"></span><span id="arrow::RecordBatchReader::Close"></span><span class="target" id="classarrow_1_1_record_batch_reader_1a86e214448aa6f2a6be5a5c218f7c0f05"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4N5arrow6StatusE" title="arrow::Status"><span class="n"><span class="pre">Status</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Close</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow17RecordBatchReader5CloseEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>finalize reader </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow17RecordBatchReader11device_typeEv"> |
| <span id="_CPPv3NK5arrow17RecordBatchReader11device_typeEv"></span><span id="_CPPv2NK5arrow17RecordBatchReader11device_typeEv"></span><span id="arrow::RecordBatchReader::device_typeC"></span><span class="target" id="classarrow_1_1_record_batch_reader_1a439acbef5881d97036c21dd524b731e0"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><span class="n"><span class="pre">DeviceAllocationType</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">device_type</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow17RecordBatchReader11device_typeEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>EXPERIMENTAL: Get the device type for record batches this reader produces. </p> |
| <p>default implementation is to return DeviceAllocationType::kCPU</p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow17RecordBatchReader5beginEv"> |
| <span id="_CPPv3N5arrow17RecordBatchReader5beginEv"></span><span id="_CPPv2N5arrow17RecordBatchReader5beginEv"></span><span id="arrow::RecordBatchReader::begin"></span><span class="target" id="classarrow_1_1_record_batch_reader_1ae3fb9a16794c1973048a1b3c394a6e83"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5arrow17RecordBatchReader25RecordBatchReaderIteratorE" title="arrow::RecordBatchReader::RecordBatchReaderIterator"><span class="n"><span class="pre">RecordBatchReaderIterator</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">begin</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow17RecordBatchReader5beginEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Return an iterator to the first record batch in the stream. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow17RecordBatchReader3endEv"> |
| <span id="_CPPv3N5arrow17RecordBatchReader3endEv"></span><span id="_CPPv2N5arrow17RecordBatchReader3endEv"></span><span id="arrow::RecordBatchReader::end"></span><span class="target" id="classarrow_1_1_record_batch_reader_1a1c7df51882974852260b49850122f759"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5arrow17RecordBatchReader25RecordBatchReaderIteratorE" title="arrow::RecordBatchReader::RecordBatchReaderIterator"><span class="n"><span class="pre">RecordBatchReaderIterator</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">end</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow17RecordBatchReader3endEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Return an iterator to the end of the stream. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow17RecordBatchReader15ToRecordBatchesEv"> |
| <span id="_CPPv3N5arrow17RecordBatchReader15ToRecordBatchesEv"></span><span id="_CPPv2N5arrow17RecordBatchReader15ToRecordBatchesEv"></span><span id="arrow::RecordBatchReader::ToRecordBatches"></span><span class="target" id="classarrow_1_1_record_batch_reader_1a9389aca12b2982879aca6ceaf99256a9"></span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">RecordBatchVector</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ToRecordBatches</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow17RecordBatchReader15ToRecordBatchesEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Consume entire stream as a vector of record batches. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow17RecordBatchReader7ToTableEv"> |
| <span id="_CPPv3N5arrow17RecordBatchReader7ToTableEv"></span><span id="_CPPv2N5arrow17RecordBatchReader7ToTableEv"></span><span id="arrow::RecordBatchReader::ToTable"></span><span class="target" id="classarrow_1_1_record_batch_reader_1a65e02ed6790e855419a6e41d32fe2d17"></span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ToTable</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow17RecordBatchReader7ToTableEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Read all batches and concatenate as <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">arrow::Table</span></a>. </p> |
| </dd></dl> |
| |
| </div> |
| <div class="breathe-sectiondef docutils container"> |
| <p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-functions">Public Static Functions</p> |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow17RecordBatchReader4MakeE17RecordBatchVectorNSt10shared_ptrI6SchemaEE20DeviceAllocationType"> |
| <span id="_CPPv3N5arrow17RecordBatchReader4MakeE17RecordBatchVectorNSt10shared_ptrI6SchemaEE20DeviceAllocationType"></span><span id="_CPPv2N5arrow17RecordBatchReader4MakeE17RecordBatchVectorNSt10shared_ptrI6SchemaEE20DeviceAllocationType"></span><span id="arrow::RecordBatchReader::Make__RecordBatchVector.std::shared_ptr:Schema:.DeviceAllocationType"></span><span class="target" id="classarrow_1_1_record_batch_reader_1a10ed2cb88a356437f7725e9ca0df466e"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow17RecordBatchReaderE" title="arrow::RecordBatchReader"><span class="n"><span class="pre">RecordBatchReader</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Make</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">RecordBatchVector</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">batches</span></span>, <span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow6SchemaE" title="arrow::Schema"><span class="n"><span class="pre">Schema</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">schema</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="n"><span class="pre">NULLPTR</span></span>, <span class="n"><span class="pre">DeviceAllocationType</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">device_type</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="n"><span class="pre">DeviceAllocationType</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">kCPU</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow17RecordBatchReader4MakeE17RecordBatchVectorNSt10shared_ptrI6SchemaEE20DeviceAllocationType" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Create a <a class="reference internal" href="#classarrow_1_1_record_batch_reader"><span class="std std-ref">RecordBatchReader</span></a> from a vector of <a class="reference internal" href="#classarrow_1_1_record_batch"><span class="std std-ref">RecordBatch</span></a>. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>batches</strong> – <strong>[in]</strong> the vector of <a class="reference internal" href="#classarrow_1_1_record_batch"><span class="std std-ref">RecordBatch</span></a> to read from </p></li> |
| <li><p><strong>schema</strong> – <strong>[in]</strong> schema to conform to. Will be inferred from the first element if not provided. </p></li> |
| <li><p><strong>device_type</strong> – <strong>[in]</strong> the type of device that the batches are allocated on </p></li> |
| </ul> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow17RecordBatchReader16MakeFromIteratorE8IteratorINSt10shared_ptrI11RecordBatchEEENSt10shared_ptrI6SchemaEE20DeviceAllocationType"> |
| <span id="_CPPv3N5arrow17RecordBatchReader16MakeFromIteratorE8IteratorINSt10shared_ptrI11RecordBatchEEENSt10shared_ptrI6SchemaEE20DeviceAllocationType"></span><span id="_CPPv2N5arrow17RecordBatchReader16MakeFromIteratorE8IteratorINSt10shared_ptrI11RecordBatchEEENSt10shared_ptrI6SchemaEE20DeviceAllocationType"></span><span id="arrow::RecordBatchReader::MakeFromIterator__Iterator:std::shared_ptr:RecordBatch::.std::shared_ptr:Schema:.DeviceAllocationType"></span><span class="target" id="classarrow_1_1_record_batch_reader_1a274418d712392b0151e2f5422e475b3f"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow17RecordBatchReaderE" title="arrow::RecordBatchReader"><span class="n"><span class="pre">RecordBatchReader</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">MakeFromIterator</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="utilities.html#_CPPv4I0EN5arrow8IteratorE" title="arrow::Iterator"><span class="n"><span class="pre">Iterator</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">batches</span></span>, <span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow6SchemaE" title="arrow::Schema"><span class="n"><span class="pre">Schema</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">schema</span></span>, <span class="n"><span class="pre">DeviceAllocationType</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">device_type</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="n"><span class="pre">DeviceAllocationType</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">kCPU</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow17RecordBatchReader16MakeFromIteratorE8IteratorINSt10shared_ptrI11RecordBatchEEENSt10shared_ptrI6SchemaEE20DeviceAllocationType" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Create a <a class="reference internal" href="#classarrow_1_1_record_batch_reader"><span class="std std-ref">RecordBatchReader</span></a> from an <a class="reference internal" href="utilities.html#classarrow_1_1_iterator"><span class="std std-ref">Iterator</span></a> of <a class="reference internal" href="#classarrow_1_1_record_batch"><span class="std std-ref">RecordBatch</span></a>. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>batches</strong> – <strong>[in]</strong> an iterator of <a class="reference internal" href="#classarrow_1_1_record_batch"><span class="std std-ref">RecordBatch</span></a> to read from. </p></li> |
| <li><p><strong>schema</strong> – <strong>[in]</strong> schema that each record batch in iterator will conform to. </p></li> |
| <li><p><strong>device_type</strong> – <strong>[in]</strong> the type of device that the batches are allocated on </p></li> |
| </ul> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| </div> |
| <dl class="cpp class"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow17RecordBatchReader25RecordBatchReaderIteratorE"> |
| <span id="_CPPv3N5arrow17RecordBatchReader25RecordBatchReaderIteratorE"></span><span id="_CPPv2N5arrow17RecordBatchReader25RecordBatchReaderIteratorE"></span><span id="arrow::RecordBatchReader::RecordBatchReaderIterator"></span><span class="target" id="classarrow_1_1_record_batch_reader_1_1_record_batch_reader_iterator"></span><span class="k"><span class="pre">class</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">RecordBatchReaderIterator</span></span></span><a class="headerlink" href="#_CPPv4N5arrow17RecordBatchReader25RecordBatchReaderIteratorE" title="Link to this definition">#</a><br /></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="cpp class"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow16TableBatchReaderE"> |
| <span id="_CPPv3N5arrow16TableBatchReaderE"></span><span id="_CPPv2N5arrow16TableBatchReaderE"></span><span id="arrow::TableBatchReader"></span><span class="target" id="classarrow_1_1_table_batch_reader"></span><span class="k"><span class="pre">class</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">TableBatchReader</span></span></span><span class="w"> </span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">arrow</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="#_CPPv4N5arrow17RecordBatchReaderE" title="arrow::RecordBatchReader"><span class="n"><span class="pre">RecordBatchReader</span></span></a><a class="headerlink" href="#_CPPv4N5arrow16TableBatchReaderE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Compute a stream of record batches from a (possibly chunked) <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a>. </p> |
| <p>The conversion is zero-copy: each record batch is a view over a slice of the table’s columns.</p> |
| <p>The table is expected to be valid prior to using it with the batch reader. </p> |
| <div class="breathe-sectiondef docutils container"> |
| <p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-functions">Public Functions</p> |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow16TableBatchReader16TableBatchReaderERK5Table"> |
| <span id="_CPPv3N5arrow16TableBatchReader16TableBatchReaderERK5Table"></span><span id="_CPPv2N5arrow16TableBatchReader16TableBatchReaderERK5Table"></span><span id="arrow::TableBatchReader::TableBatchReader__TableCR"></span><span class="target" id="classarrow_1_1_table_batch_reader_1a4ae1034b4c522d66da02ac1e17f30195"></span><span class="k"><span class="pre">explicit</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">TableBatchReader</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">table</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow16TableBatchReader16TableBatchReaderERK5Table" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Construct a <a class="reference internal" href="#classarrow_1_1_table_batch_reader"><span class="std std-ref">TableBatchReader</span></a> for the given table. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow16TableBatchReader6schemaEv"> |
| <span id="_CPPv3NK5arrow16TableBatchReader6schemaEv"></span><span id="_CPPv2NK5arrow16TableBatchReader6schemaEv"></span><span id="arrow::TableBatchReader::schemaC"></span><span class="target" id="classarrow_1_1_table_batch_reader_1a0a97ebc32f740b0ec93b0bfe1ba73aa2"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow6SchemaE" title="arrow::Schema"><span class="n"><span class="pre">Schema</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">schema</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="k"><span class="pre">override</span></span><a class="headerlink" href="#_CPPv4NK5arrow16TableBatchReader6schemaEv" title="Link to this definition">#</a><br /></dt> |
| <dd><dl class="field-list simple"> |
| <dt class="field-odd">Returns<span class="colon">:</span></dt> |
| <dd class="field-odd"><p>the shared schema of the record batches in the stream </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow16TableBatchReader8ReadNextEPNSt10shared_ptrI11RecordBatchEE"> |
| <span id="_CPPv3N5arrow16TableBatchReader8ReadNextEPNSt10shared_ptrI11RecordBatchEE"></span><span id="_CPPv2N5arrow16TableBatchReader8ReadNextEPNSt10shared_ptrI11RecordBatchEE"></span><span id="arrow::TableBatchReader::ReadNext__std::shared_ptr:RecordBatch:P"></span><span class="target" id="classarrow_1_1_table_batch_reader_1a31d001eabe7404ee8e3d7a568eae0e93"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4N5arrow6StatusE" title="arrow::Status"><span class="n"><span class="pre">Status</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ReadNext</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">out</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">override</span></span><a class="headerlink" href="#_CPPv4N5arrow16TableBatchReader8ReadNextEPNSt10shared_ptrI11RecordBatchEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Read the next record batch in the stream. </p> |
| <p>Return null for batch when reaching end of stream</p> |
| <p>Example:</p> |
| <div class="highlight-default notranslate"><div class="highlight"><pre><span></span>while (true) { |
| std::shared_ptr<RecordBatch> batch; |
| ARROW_RETURN_NOT_OK(reader->ReadNext(&batch)); |
| if (!batch) { |
| break; |
| } |
| // handling the `batch`, the `batch->num_rows()` |
| // might be 0. |
| } |
| </pre></div> |
| </div> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><strong>batch</strong> – <strong>[out]</strong> the next loaded batch, null at end of stream. Returning an empty batch doesn’t mean the end of stream because it is valid data. </p> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p><a class="reference internal" href="support.html#classarrow_1_1_status"><span class="std std-ref">Status</span></a></p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow16TableBatchReader13set_chunksizeE7int64_t"> |
| <span id="_CPPv3N5arrow16TableBatchReader13set_chunksizeE7int64_t"></span><span id="_CPPv2N5arrow16TableBatchReader13set_chunksizeE7int64_t"></span><span id="arrow::TableBatchReader::set_chunksize__int64_t"></span><span class="target" id="classarrow_1_1_table_batch_reader_1a293c77d9e315f264bc84e770d357b089"></span><span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">set_chunksize</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">int64_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">chunksize</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow16TableBatchReader13set_chunksizeE7int64_t" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Set the desired maximum number of rows for record batches. </p> |
| <p>The actual number of rows in each record batch may be smaller, depending on actual chunking characteristics of each table column. </p> |
| </dd></dl> |
| |
| </div> |
| </dd></dl> |
| |
| </section> |
| <section id="tables"> |
| <h2>Tables<a class="headerlink" href="#tables" title="Link to this heading">#</a></h2> |
| <dl class="cpp class"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow5TableE"> |
| <span id="_CPPv3N5arrow5TableE"></span><span id="_CPPv2N5arrow5TableE"></span><span id="arrow::Table"></span><span class="target" id="classarrow_1_1_table"></span><span class="k"><span class="pre">class</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Table</span></span></span><a class="headerlink" href="#_CPPv4N5arrow5TableE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Logical table as sequence of chunked arrays. </p> |
| <div class="breathe-sectiondef docutils container"> |
| <p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-functions">Public Functions</p> |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table6schemaEv"> |
| <span id="_CPPv3NK5arrow5Table6schemaEv"></span><span id="_CPPv2NK5arrow5Table6schemaEv"></span><span id="arrow::Table::schemaC"></span><span class="target" id="classarrow_1_1_table_1a0bbc06883035a8b88f8a88ee0d458cfe"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow6SchemaE" title="arrow::Schema"><span class="n"><span class="pre">Schema</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">schema</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table6schemaEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Return the table schema. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table6columnEi"> |
| <span id="_CPPv3NK5arrow5Table6columnEi"></span><span id="_CPPv2NK5arrow5Table6columnEi"></span><span id="arrow::Table::column__iC"></span><span class="target" id="classarrow_1_1_table_1a703109f368661d948d57d58981b92ea1"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow12ChunkedArrayE" title="arrow::ChunkedArray"><span class="n"><span class="pre">ChunkedArray</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">column</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">i</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table6columnEi" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Return a column by index. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table7columnsEv"> |
| <span id="_CPPv3NK5arrow5Table7columnsEv"></span><span id="_CPPv2NK5arrow5Table7columnsEv"></span><span id="arrow::Table::columnsC"></span><span class="target" id="classarrow_1_1_table_1ab92a98dffc6c50aa917169edb8dd337b"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">vector</span></span><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow12ChunkedArrayE" title="arrow::ChunkedArray"><span class="n"><span class="pre">ChunkedArray</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">columns</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table7columnsEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Return vector of all columns for table. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table5fieldEi"> |
| <span id="_CPPv3NK5arrow5Table5fieldEi"></span><span id="_CPPv2NK5arrow5Table5fieldEi"></span><span id="arrow::Table::field__iC"></span><span class="target" id="classarrow_1_1_table_1a4222aea770ec19e0ce6769298c488619"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow5FieldE" title="arrow::Field"><span class="n"><span class="pre">Field</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">field</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">i</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table5fieldEi" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Return a column’s field by index. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table6fieldsEv"> |
| <span id="_CPPv3NK5arrow5Table6fieldsEv"></span><span id="_CPPv2NK5arrow5Table6fieldsEv"></span><span id="arrow::Table::fieldsC"></span><span class="target" id="classarrow_1_1_table_1a90b9844bc25861874e7eefd7b513d7c1"></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">vector</span></span><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow5FieldE" title="arrow::Field"><span class="n"><span class="pre">Field</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">fields</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table6fieldsEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Return vector of all fields for table. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table5SliceE7int64_t7int64_t"> |
| <span id="_CPPv3NK5arrow5Table5SliceE7int64_t7int64_t"></span><span id="_CPPv2NK5arrow5Table5SliceE7int64_t7int64_t"></span><span id="arrow::Table::Slice__int64_t.int64_tC"></span><span class="target" id="classarrow_1_1_table_1aaa9d82d5fc1335373b5586816a698d75"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Slice</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">int64_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">offset</span></span>, <span class="n"><span class="pre">int64_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">length</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table5SliceE7int64_t7int64_t" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Construct a zero-copy slice of the table with the indicated offset and length. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>offset</strong> – <strong>[in]</strong> the index of the first row in the constructed slice </p></li> |
| <li><p><strong>length</strong> – <strong>[in]</strong> the number of rows of the slice. If there are not enough rows in the table, the length will be adjusted accordingly</p></li> |
| </ul> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>a new object wrapped in std::shared_ptr<Table> </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table5SliceE7int64_t"> |
| <span id="_CPPv3NK5arrow5Table5SliceE7int64_t"></span><span id="_CPPv2NK5arrow5Table5SliceE7int64_t"></span><span id="arrow::Table::Slice__int64_tC"></span><span class="target" id="classarrow_1_1_table_1ae9c432da346faaccb0ed8fccd4188d62"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Slice</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">int64_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">offset</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table5SliceE7int64_t" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Slice from first row at offset until end of the table. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table15GetColumnByNameERKNSt6stringE"> |
| <span id="_CPPv3NK5arrow5Table15GetColumnByNameERKNSt6stringE"></span><span id="_CPPv2NK5arrow5Table15GetColumnByNameERKNSt6stringE"></span><span id="arrow::Table::GetColumnByName__ssCRC"></span><span class="target" id="classarrow_1_1_table_1ac391f5d54cf24a7c57b592eb588b681b"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow12ChunkedArrayE" title="arrow::ChunkedArray"><span class="n"><span class="pre">ChunkedArray</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">GetColumnByName</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">name</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table15GetColumnByNameERKNSt6stringE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Return a column by name. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><strong>name</strong> – <strong>[in]</strong> field name </p> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>an <a class="reference internal" href="array.html#classarrow_1_1_array"><span class="std std-ref">Array</span></a> or null if no field was found </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table12RemoveColumnEi"> |
| <span id="_CPPv3NK5arrow5Table12RemoveColumnEi"></span><span id="_CPPv2NK5arrow5Table12RemoveColumnEi"></span><span id="arrow::Table::RemoveColumn__iC"></span><span class="target" id="classarrow_1_1_table_1a6ec96eb75d66e8a6bfdc117331587aff"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">RemoveColumn</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">i</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table12RemoveColumnEi" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Remove column from the table, producing a new <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a>. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table9AddColumnEiNSt10shared_ptrI5FieldEENSt10shared_ptrI12ChunkedArrayEE"> |
| <span id="_CPPv3NK5arrow5Table9AddColumnEiNSt10shared_ptrI5FieldEENSt10shared_ptrI12ChunkedArrayEE"></span><span id="_CPPv2NK5arrow5Table9AddColumnEiNSt10shared_ptrI5FieldEENSt10shared_ptrI12ChunkedArrayEE"></span><span id="arrow::Table::AddColumn__i.std::shared_ptr:Field:.std::shared_ptr:ChunkedArray:C"></span><span class="target" id="classarrow_1_1_table_1a5c883b489d893f798442fc0d536ff2f4"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">AddColumn</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">i</span></span>, <span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow5FieldE" title="arrow::Field"><span class="n"><span class="pre">Field</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">field_arg</span></span>, <span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow12ChunkedArrayE" title="arrow::ChunkedArray"><span class="n"><span class="pre">ChunkedArray</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">column</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table9AddColumnEiNSt10shared_ptrI5FieldEENSt10shared_ptrI12ChunkedArrayEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Add column to the table, producing a new <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a>. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table9SetColumnEiNSt10shared_ptrI5FieldEENSt10shared_ptrI12ChunkedArrayEE"> |
| <span id="_CPPv3NK5arrow5Table9SetColumnEiNSt10shared_ptrI5FieldEENSt10shared_ptrI12ChunkedArrayEE"></span><span id="_CPPv2NK5arrow5Table9SetColumnEiNSt10shared_ptrI5FieldEENSt10shared_ptrI12ChunkedArrayEE"></span><span id="arrow::Table::SetColumn__i.std::shared_ptr:Field:.std::shared_ptr:ChunkedArray:C"></span><span class="target" id="classarrow_1_1_table_1a3641d03292b554c9fce50fef40a5c2e1"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">SetColumn</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">i</span></span>, <span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow5FieldE" title="arrow::Field"><span class="n"><span class="pre">Field</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">field_arg</span></span>, <span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow12ChunkedArrayE" title="arrow::ChunkedArray"><span class="n"><span class="pre">ChunkedArray</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">column</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table9SetColumnEiNSt10shared_ptrI5FieldEENSt10shared_ptrI12ChunkedArrayEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Replace a column in the table, producing a new <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a>. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table11ColumnNamesEv"> |
| <span id="_CPPv3NK5arrow5Table11ColumnNamesEv"></span><span id="_CPPv2NK5arrow5Table11ColumnNamesEv"></span><span id="arrow::Table::ColumnNamesC"></span><span class="target" id="classarrow_1_1_table_1af07483f91b16857362f44d32129c9c10"></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">vector</span></span><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ColumnNames</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table11ColumnNamesEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Return names of all columns. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table13RenameColumnsERKNSt6vectorINSt6stringEEE"> |
| <span id="_CPPv3NK5arrow5Table13RenameColumnsERKNSt6vectorINSt6stringEEE"></span><span id="_CPPv2NK5arrow5Table13RenameColumnsERKNSt6vectorINSt6stringEEE"></span><span id="arrow::Table::RenameColumns__std::vector:ss:CRC"></span><span class="target" id="classarrow_1_1_table_1a786fe8fe5b6982e14c7956cb763e8729"></span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">RenameColumns</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">vector</span></span><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">names</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table13RenameColumnsERKNSt6vectorINSt6stringEEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Rename columns with provided names. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table13SelectColumnsERKNSt6vectorIiEE"> |
| <span id="_CPPv3NK5arrow5Table13SelectColumnsERKNSt6vectorIiEE"></span><span id="_CPPv2NK5arrow5Table13SelectColumnsERKNSt6vectorIiEE"></span><span id="arrow::Table::SelectColumns__std::vector:i:CRC"></span><span class="target" id="classarrow_1_1_table_1a9c009f45658bcef2bed8f68292057d0d"></span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">SelectColumns</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">vector</span></span><span class="p"><span class="pre"><</span></span><span class="kt"><span class="pre">int</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">indices</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table13SelectColumnsERKNSt6vectorIiEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Return new table with specified columns. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table21ReplaceSchemaMetadataERKNSt10shared_ptrIK16KeyValueMetadataEE"> |
| <span id="_CPPv3NK5arrow5Table21ReplaceSchemaMetadataERKNSt10shared_ptrIK16KeyValueMetadataEE"></span><span id="_CPPv2NK5arrow5Table21ReplaceSchemaMetadataERKNSt10shared_ptrIK16KeyValueMetadataEE"></span><span id="arrow::Table::ReplaceSchemaMetadata__std::shared_ptr:KeyValueMetadataC:CRC"></span><span class="target" id="classarrow_1_1_table_1ae8c4b17f00875e481b5df75aec60f54f"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ReplaceSchemaMetadata</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="datatype.html#_CPPv4N5arrow16KeyValueMetadataE" title="arrow::KeyValueMetadata"><span class="n"><span class="pre">KeyValueMetadata</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">metadata</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table21ReplaceSchemaMetadataERKNSt10shared_ptrIK16KeyValueMetadataEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Replace schema key-value metadata with new metadata. </p> |
| <p><dl class="simple"> |
| <dt><strong>Since</strong></dt><dd><p>0.5.0</p> |
| </dd> |
| </dl> |
| </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><strong>metadata</strong> – <strong>[in]</strong> new <a class="reference internal" href="datatype.html#classarrow_1_1_key_value_metadata"><span class="std std-ref">KeyValueMetadata</span></a></p> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>new <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a></p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table7FlattenEP10MemoryPool"> |
| <span id="_CPPv3NK5arrow5Table7FlattenEP10MemoryPool"></span><span id="_CPPv2NK5arrow5Table7FlattenEP10MemoryPool"></span><span id="arrow::Table::Flatten__MemoryPoolPC"></span><span class="target" id="classarrow_1_1_table_1a6fbb47dde07154f9940859028341d712"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Flatten</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="memory.html#_CPPv4N5arrow10MemoryPoolE" title="arrow::MemoryPool"><span class="n"><span class="pre">MemoryPool</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">pool</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="memory.html#_CPPv4N5arrow19default_memory_poolEv" title="arrow::default_memory_pool"><span class="n"><span class="pre">default_memory_pool</span></span></a><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table7FlattenEP10MemoryPool" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Flatten the table, producing a new <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a>. </p> |
| <p>Any column with a struct type will be flattened into multiple columns</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><strong>pool</strong> – <strong>[in]</strong> The pool for buffer allocations, if any </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table8ToStringEv"> |
| <span id="_CPPv3NK5arrow5Table8ToStringEv"></span><span id="_CPPv2NK5arrow5Table8ToStringEv"></span><span id="arrow::Table::ToStringC"></span><span class="target" id="classarrow_1_1_table_1a952001529c848c932349b3198d98b680"></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ToString</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table8ToStringEv" title="Link to this definition">#</a><br /></dt> |
| <dd><dl class="field-list simple"> |
| <dt class="field-odd">Returns<span class="colon">:</span></dt> |
| <dd class="field-odd"><p>PrettyPrint representation suitable for debugging </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table8ValidateEv"> |
| <span id="_CPPv3NK5arrow5Table8ValidateEv"></span><span id="_CPPv2NK5arrow5Table8ValidateEv"></span><span id="arrow::Table::ValidateC"></span><span class="target" id="classarrow_1_1_table_1a4a93ccc812c7ee9992bc9138b53895e0"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4N5arrow6StatusE" title="arrow::Status"><span class="n"><span class="pre">Status</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Validate</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table8ValidateEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Perform cheap validation checks to determine obvious inconsistencies within the table’s schema and internal data. </p> |
| <p>This is O(k*m) where k is the total number of field descendents, and m is the number of chunks.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Returns<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><a class="reference internal" href="support.html#classarrow_1_1_status"><span class="std std-ref">Status</span></a></p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table12ValidateFullEv"> |
| <span id="_CPPv3NK5arrow5Table12ValidateFullEv"></span><span id="_CPPv2NK5arrow5Table12ValidateFullEv"></span><span id="arrow::Table::ValidateFullC"></span><span class="target" id="classarrow_1_1_table_1a5796527d5848794aff9b6b3107011dd7"></span><span class="k"><span class="pre">virtual</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4N5arrow6StatusE" title="arrow::Status"><span class="n"><span class="pre">Status</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ValidateFull</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="m"><span class="pre">0</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table12ValidateFullEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Perform extensive validation checks to determine inconsistencies within the table’s schema and internal data. </p> |
| <p>This is O(k*n) where k is the total number of field descendents, and n is the number of rows.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Returns<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><a class="reference internal" href="support.html#classarrow_1_1_status"><span class="std std-ref">Status</span></a></p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table11num_columnsEv"> |
| <span id="_CPPv3NK5arrow5Table11num_columnsEv"></span><span id="_CPPv2NK5arrow5Table11num_columnsEv"></span><span id="arrow::Table::num_columnsC"></span><span class="target" id="classarrow_1_1_table_1abe71e003123973cdff9cfca40dc85e04"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">num_columns</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table11num_columnsEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Return the number of columns in the table. </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table8num_rowsEv"> |
| <span id="_CPPv3NK5arrow5Table8num_rowsEv"></span><span id="_CPPv2NK5arrow5Table8num_rowsEv"></span><span id="arrow::Table::num_rowsC"></span><span class="target" id="classarrow_1_1_table_1a14665d44a57c45343b54c7997d5c92e5"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="n"><span class="pre">int64_t</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">num_rows</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table8num_rowsEv" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Return the number of rows (equal to each column’s logical length) </p> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table6EqualsERK5TableRK12EqualOptions"> |
| <span id="_CPPv3NK5arrow5Table6EqualsERK5TableRK12EqualOptions"></span><span id="_CPPv2NK5arrow5Table6EqualsERK5TableRK12EqualOptions"></span><span id="arrow::Table::Equals__TableCR.EqualOptionsCRC"></span><span class="target" id="classarrow_1_1_table_1a66bc52d62c62b8cce98d5d0a6005f934"></span><span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Equals</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">other</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="utilities.html#_CPPv4N5arrow12EqualOptionsE" title="arrow::EqualOptions"><span class="n"><span class="pre">EqualOptions</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">opts</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table6EqualsERK5TableRK12EqualOptions" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Determine if two tables are equal. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>other</strong> – <strong>[in]</strong> the table to compare with </p></li> |
| <li><p><strong>opts</strong> – <strong>[in]</strong> the options for equality comparisons </p></li> |
| </ul> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>true if two tables are equal </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table6EqualsERK5TablebRK12EqualOptions"> |
| <span id="_CPPv3NK5arrow5Table6EqualsERK5TablebRK12EqualOptions"></span><span id="_CPPv2NK5arrow5Table6EqualsERK5TablebRK12EqualOptions"></span><span id="arrow::Table::Equals__TableCR.b.EqualOptionsCRC"></span><span class="target" id="classarrow_1_1_table_1afee87d1a531fa508b4cab27005912c99"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Equals</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">other</span></span>, <span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">check_metadata</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="k"><span class="pre">false</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="utilities.html#_CPPv4N5arrow12EqualOptionsE" title="arrow::EqualOptions"><span class="n"><span class="pre">EqualOptions</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">opts</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="utilities.html#_CPPv4N5arrow12EqualOptionsE" title="arrow::EqualOptions"><span class="n"><span class="pre">EqualOptions</span></span></a><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">Defaults</span></span><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table6EqualsERK5TablebRK12EqualOptions" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Determine if two tables are equal. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>other</strong> – <strong>[in]</strong> the table to compare with </p></li> |
| <li><p><strong>check_metadata</strong> – <strong>[in]</strong> if true, the schema metadata will be compared, regardless of the value set in <a class="reference internal" href="utilities.html#classarrow_1_1_equal_options_1a810bf2026a55f5c55043ecba9f32bdb6"><span class="std std-ref">EqualOptions::use_metadata</span></a></p></li> |
| <li><p><strong>opts</strong> – <strong>[in]</strong> the options for equality comparisons </p></li> |
| </ul> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>true if two tables are equal </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table13CombineChunksEP10MemoryPool"> |
| <span id="_CPPv3NK5arrow5Table13CombineChunksEP10MemoryPool"></span><span id="_CPPv2NK5arrow5Table13CombineChunksEP10MemoryPool"></span><span id="arrow::Table::CombineChunks__MemoryPoolPC"></span><span class="target" id="classarrow_1_1_table_1ab2a84bfbd4c2112e179ec0624114f0d9"></span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">CombineChunks</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="memory.html#_CPPv4N5arrow10MemoryPoolE" title="arrow::MemoryPool"><span class="n"><span class="pre">MemoryPool</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">pool</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="memory.html#_CPPv4N5arrow19default_memory_poolEv" title="arrow::default_memory_pool"><span class="n"><span class="pre">default_memory_pool</span></span></a><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table13CombineChunksEP10MemoryPool" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Make a new table by combining the chunks this table has. </p> |
| <p>All the underlying chunks in the <a class="reference internal" href="array.html#classarrow_1_1_chunked_array"><span class="std std-ref">ChunkedArray</span></a> of each column are concatenated into zero or one chunk.</p> |
| <p>To avoid buffer overflow, binary columns may be combined into multiple chunks. Chunks will have the maximum possible length.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><strong>pool</strong> – <strong>[in]</strong> The pool for buffer allocations </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4NK5arrow5Table20CombineChunksToBatchEP10MemoryPool"> |
| <span id="_CPPv3NK5arrow5Table20CombineChunksToBatchEP10MemoryPool"></span><span id="_CPPv2NK5arrow5Table20CombineChunksToBatchEP10MemoryPool"></span><span id="arrow::Table::CombineChunksToBatch__MemoryPoolPC"></span><span class="target" id="classarrow_1_1_table_1a89c249477d4aed2cb438828754183edb"></span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">CombineChunksToBatch</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="memory.html#_CPPv4N5arrow10MemoryPoolE" title="arrow::MemoryPool"><span class="n"><span class="pre">MemoryPool</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">pool</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="memory.html#_CPPv4N5arrow19default_memory_poolEv" title="arrow::default_memory_pool"><span class="n"><span class="pre">default_memory_pool</span></span></a><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5arrow5Table20CombineChunksToBatchEP10MemoryPool" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Make a new record batch by combining the chunks this table has. </p> |
| <p>All the underlying chunks in the <a class="reference internal" href="array.html#classarrow_1_1_chunked_array"><span class="std std-ref">ChunkedArray</span></a> of each column are concatenated into a single chunk.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><strong>pool</strong> – <strong>[in]</strong> The pool for buffer allocations </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| </div> |
| <div class="breathe-sectiondef docutils container"> |
| <p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-functions">Public Static Functions</p> |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow5Table4MakeENSt10shared_ptrI6SchemaEENSt6vectorINSt10shared_ptrI12ChunkedArrayEEEE7int64_t"> |
| <span id="_CPPv3N5arrow5Table4MakeENSt10shared_ptrI6SchemaEENSt6vectorINSt10shared_ptrI12ChunkedArrayEEEE7int64_t"></span><span id="_CPPv2N5arrow5Table4MakeENSt10shared_ptrI6SchemaEENSt6vectorINSt10shared_ptrI12ChunkedArrayEEEE7int64_t"></span><span id="arrow::Table::Make__std::shared_ptr:Schema:.std::vector:std::shared_ptr:ChunkedArray::.int64_t"></span><span class="target" id="classarrow_1_1_table_1ab00e2717baa0a3984c094d84b46f3eb5"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Make</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow6SchemaE" title="arrow::Schema"><span class="n"><span class="pre">Schema</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">schema</span></span>, <span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">vector</span></span><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow12ChunkedArrayE" title="arrow::ChunkedArray"><span class="n"><span class="pre">ChunkedArray</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">columns</span></span>, <span class="n"><span class="pre">int64_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">num_rows</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="o"><span class="pre">-</span></span><span class="m"><span class="pre">1</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow5Table4MakeENSt10shared_ptrI6SchemaEENSt6vectorINSt10shared_ptrI12ChunkedArrayEEEE7int64_t" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Construct a <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a> from schema and columns. </p> |
| <p>If columns is zero-length, the table’s number of rows is zero</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>schema</strong> – <strong>[in]</strong> The table schema (column types) </p></li> |
| <li><p><strong>columns</strong> – <strong>[in]</strong> The table’s columns as chunked arrays </p></li> |
| <li><p><strong>num_rows</strong> – <strong>[in]</strong> number of rows in table, -1 (default) to infer from columns </p></li> |
| </ul> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow5Table4MakeENSt10shared_ptrI6SchemaEERKNSt6vectorINSt10shared_ptrI5ArrayEEEE7int64_t"> |
| <span id="_CPPv3N5arrow5Table4MakeENSt10shared_ptrI6SchemaEERKNSt6vectorINSt10shared_ptrI5ArrayEEEE7int64_t"></span><span id="_CPPv2N5arrow5Table4MakeENSt10shared_ptrI6SchemaEERKNSt6vectorINSt10shared_ptrI5ArrayEEEE7int64_t"></span><span id="arrow::Table::Make__std::shared_ptr:Schema:.std::vector:std::shared_ptr:Array::CR.int64_t"></span><span class="target" id="classarrow_1_1_table_1a4a7b2c852c93db11d9b1fda4665a88c7"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Make</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow6SchemaE" title="arrow::Schema"><span class="n"><span class="pre">Schema</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">schema</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">vector</span></span><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow5ArrayE" title="arrow::Array"><span class="n"><span class="pre">Array</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">arrays</span></span>, <span class="n"><span class="pre">int64_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">num_rows</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="o"><span class="pre">-</span></span><span class="m"><span class="pre">1</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow5Table4MakeENSt10shared_ptrI6SchemaEERKNSt6vectorINSt10shared_ptrI5ArrayEEEE7int64_t" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Construct a <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a> from schema and arrays. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>schema</strong> – <strong>[in]</strong> The table schema (column types) </p></li> |
| <li><p><strong>arrays</strong> – <strong>[in]</strong> The table’s columns as arrays </p></li> |
| <li><p><strong>num_rows</strong> – <strong>[in]</strong> number of rows in table, -1 (default) to infer from columns </p></li> |
| </ul> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow5Table9MakeEmptyENSt10shared_ptrI6SchemaEEP10MemoryPool"> |
| <span id="_CPPv3N5arrow5Table9MakeEmptyENSt10shared_ptrI6SchemaEEP10MemoryPool"></span><span id="_CPPv2N5arrow5Table9MakeEmptyENSt10shared_ptrI6SchemaEEP10MemoryPool"></span><span id="arrow::Table::MakeEmpty__std::shared_ptr:Schema:.MemoryPoolP"></span><span class="target" id="classarrow_1_1_table_1ad4ea65f8560c837132f8aac8a2f755f3"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">MakeEmpty</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow6SchemaE" title="arrow::Schema"><span class="n"><span class="pre">Schema</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">schema</span></span>, <a class="reference internal" href="memory.html#_CPPv4N5arrow10MemoryPoolE" title="arrow::MemoryPool"><span class="n"><span class="pre">MemoryPool</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">pool</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="memory.html#_CPPv4N5arrow19default_memory_poolEv" title="arrow::default_memory_pool"><span class="n"><span class="pre">default_memory_pool</span></span></a><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow5Table9MakeEmptyENSt10shared_ptrI6SchemaEEP10MemoryPool" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Create an empty <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a> of a given schema. </p> |
| <p>The output <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a> will be created with a single empty chunk per column.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>schema</strong> – <strong>[in]</strong> the schema of the empty <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a></p></li> |
| <li><p><strong>pool</strong> – <strong>[in]</strong> the memory pool to allocate memory from </p></li> |
| </ul> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>the resulting <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a></p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow5Table21FromRecordBatchReaderEP17RecordBatchReader"> |
| <span id="_CPPv3N5arrow5Table21FromRecordBatchReaderEP17RecordBatchReader"></span><span id="_CPPv2N5arrow5Table21FromRecordBatchReaderEP17RecordBatchReader"></span><span id="arrow::Table::FromRecordBatchReader__RecordBatchReaderP"></span><span class="target" id="classarrow_1_1_table_1a8e64d42ab6c95df2cd0f967a62ae2dc5"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">FromRecordBatchReader</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4N5arrow17RecordBatchReaderE" title="arrow::RecordBatchReader"><span class="n"><span class="pre">RecordBatchReader</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">reader</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow5Table21FromRecordBatchReaderEP17RecordBatchReader" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Construct a <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a> from a <a class="reference internal" href="#classarrow_1_1_record_batch_reader"><span class="std std-ref">RecordBatchReader</span></a>. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><strong>reader</strong> – <strong>[in]</strong> the <a class="reference internal" href="#classarrow_1_1_record_batch_reader"><span class="std std-ref">arrow::RecordBatchReader</span></a> that produces batches </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow5Table17FromRecordBatchesERKNSt6vectorINSt10shared_ptrI11RecordBatchEEEE"> |
| <span id="_CPPv3N5arrow5Table17FromRecordBatchesERKNSt6vectorINSt10shared_ptrI11RecordBatchEEEE"></span><span id="_CPPv2N5arrow5Table17FromRecordBatchesERKNSt6vectorINSt10shared_ptrI11RecordBatchEEEE"></span><span id="arrow::Table::FromRecordBatches__std::vector:std::shared_ptr:RecordBatch::CR"></span><span class="target" id="classarrow_1_1_table_1aa06cb917a909a30efd28aca46dd7ede3"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">FromRecordBatches</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">vector</span></span><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">batches</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow5Table17FromRecordBatchesERKNSt6vectorINSt10shared_ptrI11RecordBatchEEEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Construct a <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a> from RecordBatches, using schema supplied by the first <a class="reference internal" href="#classarrow_1_1_record_batch"><span class="std std-ref">RecordBatch</span></a>. </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><strong>batches</strong> – <strong>[in]</strong> a std::vector of record batches </p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow5Table17FromRecordBatchesENSt10shared_ptrI6SchemaEERKNSt6vectorINSt10shared_ptrI11RecordBatchEEEE"> |
| <span id="_CPPv3N5arrow5Table17FromRecordBatchesENSt10shared_ptrI6SchemaEERKNSt6vectorINSt10shared_ptrI11RecordBatchEEEE"></span><span id="_CPPv2N5arrow5Table17FromRecordBatchesENSt10shared_ptrI6SchemaEERKNSt6vectorINSt10shared_ptrI11RecordBatchEEEE"></span><span id="arrow::Table::FromRecordBatches__std::shared_ptr:Schema:.std::vector:std::shared_ptr:RecordBatch::CR"></span><span class="target" id="classarrow_1_1_table_1af783ad6e12e7c71507ce957c76717251"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">FromRecordBatches</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow6SchemaE" title="arrow::Schema"><span class="n"><span class="pre">Schema</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">schema</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">vector</span></span><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow11RecordBatchE" title="arrow::RecordBatch"><span class="n"><span class="pre">RecordBatch</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">batches</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow5Table17FromRecordBatchesENSt10shared_ptrI6SchemaEERKNSt6vectorINSt10shared_ptrI11RecordBatchEEEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Construct a <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a> from RecordBatches, using supplied schema. </p> |
| <p>There may be zero record batches</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>schema</strong> – <strong>[in]</strong> the <a class="reference internal" href="datatype.html#classarrow_1_1_schema"><span class="std std-ref">arrow::Schema</span></a> for each batch </p></li> |
| <li><p><strong>batches</strong> – <strong>[in]</strong> a std::vector of record batches </p></li> |
| </ul> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow5Table22FromChunkedStructArrayERKNSt10shared_ptrI12ChunkedArrayEE"> |
| <span id="_CPPv3N5arrow5Table22FromChunkedStructArrayERKNSt10shared_ptrI12ChunkedArrayEE"></span><span id="_CPPv2N5arrow5Table22FromChunkedStructArrayERKNSt10shared_ptrI12ChunkedArrayEE"></span><span id="arrow::Table::FromChunkedStructArray__std::shared_ptr:ChunkedArray:CR"></span><span class="target" id="classarrow_1_1_table_1a8557289f578577b2d87aafbbfb96a005"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">FromChunkedStructArray</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="array.html#_CPPv4N5arrow12ChunkedArrayE" title="arrow::ChunkedArray"><span class="n"><span class="pre">ChunkedArray</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">array</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow5Table22FromChunkedStructArrayERKNSt10shared_ptrI12ChunkedArrayEE" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Construct a <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a> from a chunked <a class="reference internal" href="array.html#classarrow_1_1_struct_array"><span class="std std-ref">StructArray</span></a>. </p> |
| <p>One column will be produced for each field of the <a class="reference internal" href="array.html#classarrow_1_1_struct_array"><span class="std std-ref">StructArray</span></a>.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><strong>array</strong> – <strong>[in]</strong> a chunked <a class="reference internal" href="array.html#classarrow_1_1_struct_array"><span class="std std-ref">StructArray</span></a></p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| </div> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow17ConcatenateTablesERKNSt6vectorINSt10shared_ptrI5TableEEEE24ConcatenateTablesOptionsP10MemoryPool"> |
| <span id="_CPPv3N5arrow17ConcatenateTablesERKNSt6vectorINSt10shared_ptrI5TableEEEE24ConcatenateTablesOptionsP10MemoryPool"></span><span id="_CPPv2N5arrow17ConcatenateTablesERKNSt6vectorINSt10shared_ptrI5TableEEEE24ConcatenateTablesOptionsP10MemoryPool"></span><span id="arrow::ConcatenateTables__std::vector:std::shared_ptr:Table::CR.ConcatenateTablesOptions.MemoryPoolP"></span><span class="target" id="namespacearrow_1af322415793b307671d16b01409b45451"></span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-prename descclassname"><span class="n"><span class="pre">arrow</span></span><span class="p"><span class="pre">::</span></span></span><span class="sig-name descname"><span class="n"><span class="pre">ConcatenateTables</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">vector</span></span><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">tables</span></span>, <span class="n"><span class="pre">ConcatenateTablesOptions</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">options</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="n"><span class="pre">ConcatenateTablesOptions</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">Defaults</span></span><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span>, <a class="reference internal" href="memory.html#_CPPv4N5arrow10MemoryPoolE" title="arrow::MemoryPool"><span class="n"><span class="pre">MemoryPool</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">memory_pool</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="memory.html#_CPPv4N5arrow19default_memory_poolEv" title="arrow::default_memory_pool"><span class="n"><span class="pre">default_memory_pool</span></span></a><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow17ConcatenateTablesERKNSt6vectorINSt10shared_ptrI5TableEEEE24ConcatenateTablesOptionsP10MemoryPool" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Construct a new table from multiple input tables. </p> |
| <p>The new table is assembled from existing column chunks without copying, if schemas are identical. If schemas do not match exactly and unify_schemas is enabled in options (off by default), an attempt is made to unify them, and then column chunks are converted to their respective unified datatype, which will probably incur a copy. :func:<code class="docutils literal notranslate"><a class="reference internal" href="#namespacearrow_1aae132e8a8349e37ca3cb72b4bd4a3879"><span class="std std-ref"><span class="pre">arrow::PromoteTableToSchema</span></span></a></code> is used to unify schemas.</p> |
| <p>Tables are concatenated in order they are provided in and the order of rows within tables will be preserved.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>tables</strong> – <strong>[in]</strong> a std::vector of Tables to be concatenated </p></li> |
| <li><p><strong>options</strong> – <strong>[in]</strong> specify how to unify schema of input tables </p></li> |
| <li><p><strong>memory_pool</strong> – <strong>[in]</strong> <a class="reference internal" href="memory.html#classarrow_1_1_memory_pool"><span class="std std-ref">MemoryPool</span></a> to be used if null-filled arrays need to be created or if existing column chunks need to endure type conversion </p></li> |
| </ul> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>new <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a></p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow20PromoteTableToSchemaERKNSt10shared_ptrI5TableEERKNSt10shared_ptrI6SchemaEEP10MemoryPool"> |
| <span id="_CPPv3N5arrow20PromoteTableToSchemaERKNSt10shared_ptrI5TableEERKNSt10shared_ptrI6SchemaEEP10MemoryPool"></span><span id="_CPPv2N5arrow20PromoteTableToSchemaERKNSt10shared_ptrI5TableEERKNSt10shared_ptrI6SchemaEEP10MemoryPool"></span><span id="arrow::PromoteTableToSchema__std::shared_ptr:Table:CR.std::shared_ptr:Schema:CR.MemoryPoolP"></span><span class="target" id="namespacearrow_1aae132e8a8349e37ca3cb72b4bd4a3879"></span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-prename descclassname"><span class="n"><span class="pre">arrow</span></span><span class="p"><span class="pre">::</span></span></span><span class="sig-name descname"><span class="n"><span class="pre">PromoteTableToSchema</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">table</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow6SchemaE" title="arrow::Schema"><span class="n"><span class="pre">Schema</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">schema</span></span>, <a class="reference internal" href="memory.html#_CPPv4N5arrow10MemoryPoolE" title="arrow::MemoryPool"><span class="n"><span class="pre">MemoryPool</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">pool</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="memory.html#_CPPv4N5arrow19default_memory_poolEv" title="arrow::default_memory_pool"><span class="n"><span class="pre">default_memory_pool</span></span></a><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow20PromoteTableToSchemaERKNSt10shared_ptrI5TableEERKNSt10shared_ptrI6SchemaEEP10MemoryPool" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Promotes a table to conform to the given schema. </p> |
| <p>If a field in the schema does not have a corresponding column in the table, a column of nulls will be added to the resulting table. If the corresponding column is of type Null, it will be promoted to the type specified by schema, with null values filled. The column will be casted to the type specified by the schema.</p> |
| <p>Returns an error:<ul class="simple"> |
| <li><p>if the corresponding column’s type is not compatible with the schema.</p></li> |
| <li><p>if there is a column in the table that does not exist in the schema.</p></li> |
| <li><p>if the cast fails or casting would be required but is not available.</p></li> |
| </ul> |
| </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>table</strong> – <strong>[in]</strong> the input <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a></p></li> |
| <li><p><strong>schema</strong> – <strong>[in]</strong> the target schema to promote to </p></li> |
| <li><p><strong>pool</strong> – <strong>[in]</strong> The memory pool to be used if null-filled arrays need to be created. </p></li> |
| </ul> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="cpp function"> |
| <dt class="sig sig-object cpp" id="_CPPv4N5arrow20PromoteTableToSchemaERKNSt10shared_ptrI5TableEERKNSt10shared_ptrI6SchemaEERKN7compute11CastOptionsEP10MemoryPool"> |
| <span id="_CPPv3N5arrow20PromoteTableToSchemaERKNSt10shared_ptrI5TableEERKNSt10shared_ptrI6SchemaEERKN7compute11CastOptionsEP10MemoryPool"></span><span id="_CPPv2N5arrow20PromoteTableToSchemaERKNSt10shared_ptrI5TableEERKNSt10shared_ptrI6SchemaEERKN7compute11CastOptionsEP10MemoryPool"></span><span id="arrow::PromoteTableToSchema__std::shared_ptr:Table:CR.std::shared_ptr:Schema:CR.compute::CastOptionsCR.MemoryPoolP"></span><span class="target" id="namespacearrow_1aec62e0c8a703019501e43f3beed37d21"></span><a class="reference internal" href="support.html#_CPPv4I0EN5arrow6ResultE" title="arrow::Result"><span class="n"><span class="pre">Result</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-prename descclassname"><span class="n"><span class="pre">arrow</span></span><span class="p"><span class="pre">::</span></span></span><span class="sig-name descname"><span class="n"><span class="pre">PromoteTableToSchema</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5arrow5TableE" title="arrow::Table"><span class="n"><span class="pre">Table</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">table</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="datatype.html#_CPPv4N5arrow6SchemaE" title="arrow::Schema"><span class="n"><span class="pre">Schema</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">schema</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">compute</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="compute.html#_CPPv4N5arrow7compute11CastOptionsE" title="arrow::compute::CastOptions"><span class="n"><span class="pre">CastOptions</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">options</span></span>, <a class="reference internal" href="memory.html#_CPPv4N5arrow10MemoryPoolE" title="arrow::MemoryPool"><span class="n"><span class="pre">MemoryPool</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">pool</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="memory.html#_CPPv4N5arrow19default_memory_poolEv" title="arrow::default_memory_pool"><span class="n"><span class="pre">default_memory_pool</span></span></a><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5arrow20PromoteTableToSchemaERKNSt10shared_ptrI5TableEERKNSt10shared_ptrI6SchemaEERKN7compute11CastOptionsEP10MemoryPool" title="Link to this definition">#</a><br /></dt> |
| <dd><p>Promotes a table to conform to the given schema. </p> |
| <p>If a field in the schema does not have a corresponding column in the table, a column of nulls will be added to the resulting table. If the corresponding column is of type Null, it will be promoted to the type specified by schema, with null values filled. The column will be casted to the type specified by the schema.</p> |
| <p>Returns an error:<ul class="simple"> |
| <li><p>if the corresponding column’s type is not compatible with the schema.</p></li> |
| <li><p>if there is a column in the table that does not exist in the schema.</p></li> |
| <li><p>if the cast fails or casting would be required but is not available.</p></li> |
| </ul> |
| </p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>table</strong> – <strong>[in]</strong> the input <a class="reference internal" href="#classarrow_1_1_table"><span class="std std-ref">Table</span></a></p></li> |
| <li><p><strong>schema</strong> – <strong>[in]</strong> the target schema to promote to </p></li> |
| <li><p><strong>options</strong> – <strong>[in]</strong> The cast options to allow promotion of types </p></li> |
| <li><p><strong>pool</strong> – <strong>[in]</strong> The memory pool to be used if null-filled arrays need to be created. </p></li> |
| </ul> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| </section> |
| </section> |
| |
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| </article> |
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| <ul class="visible nav section-nav flex-column"> |
| <li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#record-batches">Record Batches</a><ul class="visible nav section-nav flex-column"> |
| <li class="toc-h3 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow11RecordBatchE"><code class="docutils literal notranslate"><span class="pre">arrow::RecordBatch</span></code></a><ul class="nav section-nav flex-column"> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch13ToStructArrayEv"><code class="docutils literal notranslate"><span class="pre">ToStructArray()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch8ToTensorEbbP10MemoryPool"><code class="docutils literal notranslate"><span class="pre">ToTensor()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch6EqualsERK11RecordBatchbRK12EqualOptions"><code class="docutils literal notranslate"><span class="pre">Equals()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch6EqualsERK11RecordBatchRK12EqualOptions"><code class="docutils literal notranslate"><span class="pre">Equals()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch12ApproxEqualsERK11RecordBatchRK12EqualOptions"><code class="docutils literal notranslate"><span class="pre">ApproxEquals()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch6schemaEv"><code class="docutils literal notranslate"><span class="pre">schema()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch13ReplaceSchemaENSt10shared_ptrI6SchemaEE"><code class="docutils literal notranslate"><span class="pre">ReplaceSchema()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch7columnsEv"><code class="docutils literal notranslate"><span class="pre">columns()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch6columnEi"><code class="docutils literal notranslate"><span class="pre">column()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch15GetColumnByNameERKNSt6stringE"><code class="docutils literal notranslate"><span class="pre">GetColumnByName()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch11column_dataEi"><code class="docutils literal notranslate"><span class="pre">column_data()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch11column_dataEv"><code class="docutils literal notranslate"><span class="pre">column_data()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch9AddColumnEiRKNSt10shared_ptrI5FieldEERKNSt10shared_ptrI5ArrayEE"><code class="docutils literal notranslate"><span class="pre">AddColumn()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch9AddColumnEiNSt6stringERKNSt10shared_ptrI5ArrayEE"><code class="docutils literal notranslate"><span class="pre">AddColumn()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch9SetColumnEiRKNSt10shared_ptrI5FieldEERKNSt10shared_ptrI5ArrayEE"><code class="docutils literal notranslate"><span class="pre">SetColumn()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch12RemoveColumnEi"><code class="docutils literal notranslate"><span class="pre">RemoveColumn()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch11column_nameEi"><code class="docutils literal notranslate"><span class="pre">column_name()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch11num_columnsEv"><code class="docutils literal notranslate"><span class="pre">num_columns()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch8num_rowsEv"><code class="docutils literal notranslate"><span class="pre">num_rows()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch6CopyToERKNSt10shared_ptrI13MemoryManagerEE"><code class="docutils literal notranslate"><span class="pre">CopyTo()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch12ViewOrCopyToERKNSt10shared_ptrI13MemoryManagerEE"><code class="docutils literal notranslate"><span class="pre">ViewOrCopyTo()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch5SliceE7int64_t"><code class="docutils literal notranslate"><span class="pre">Slice()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch5SliceE7int64_t7int64_t"><code class="docutils literal notranslate"><span class="pre">Slice()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch8ToStringEv"><code class="docutils literal notranslate"><span class="pre">ToString()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch11ColumnNamesEv"><code class="docutils literal notranslate"><span class="pre">ColumnNames()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch13RenameColumnsERKNSt6vectorINSt6stringEEE"><code class="docutils literal notranslate"><span class="pre">RenameColumns()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch13SelectColumnsERKNSt6vectorIiEE"><code class="docutils literal notranslate"><span class="pre">SelectColumns()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch8ValidateEv"><code class="docutils literal notranslate"><span class="pre">Validate()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch12ValidateFullEv"><code class="docutils literal notranslate"><span class="pre">ValidateFull()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch12GetSyncEventEv"><code class="docutils literal notranslate"><span class="pre">GetSyncEvent()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow11RecordBatch19MakeStatisticsArrayEP10MemoryPool"><code class="docutils literal notranslate"><span class="pre">MakeStatisticsArray()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow11RecordBatch4MakeENSt10shared_ptrI6SchemaEE7int64_tNSt6vectorINSt10shared_ptrI5ArrayEEEENSt10shared_ptrIN6Device9SyncEventEEE"><code class="docutils literal notranslate"><span class="pre">Make()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow11RecordBatch4MakeENSt10shared_ptrI6SchemaEE7int64_tNSt6vectorINSt10shared_ptrI9ArrayDataEEEE20DeviceAllocationTypeNSt10shared_ptrIN6Device9SyncEventEEE"><code class="docutils literal notranslate"><span class="pre">Make()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow11RecordBatch9MakeEmptyENSt10shared_ptrI6SchemaEEP10MemoryPool"><code class="docutils literal notranslate"><span class="pre">MakeEmpty()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow11RecordBatch15FromStructArrayERKNSt10shared_ptrI5ArrayEEP10MemoryPool"><code class="docutils literal notranslate"><span class="pre">FromStructArray()</span></code></a></li> |
| </ul> |
| </li> |
| <li class="toc-h3 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow17RecordBatchReaderE"><code class="docutils literal notranslate"><span class="pre">arrow::RecordBatchReader</span></code></a><ul class="nav section-nav flex-column"> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow17RecordBatchReader6schemaEv"><code class="docutils literal notranslate"><span class="pre">schema()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow17RecordBatchReader8ReadNextEPNSt10shared_ptrI11RecordBatchEE"><code class="docutils literal notranslate"><span class="pre">ReadNext()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow17RecordBatchReader4NextEv"><code class="docutils literal notranslate"><span class="pre">Next()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow17RecordBatchReader5CloseEv"><code class="docutils literal notranslate"><span class="pre">Close()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow17RecordBatchReader11device_typeEv"><code class="docutils literal notranslate"><span class="pre">device_type()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow17RecordBatchReader5beginEv"><code class="docutils literal notranslate"><span class="pre">begin()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow17RecordBatchReader3endEv"><code class="docutils literal notranslate"><span class="pre">end()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow17RecordBatchReader15ToRecordBatchesEv"><code class="docutils literal notranslate"><span class="pre">ToRecordBatches()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow17RecordBatchReader7ToTableEv"><code class="docutils literal notranslate"><span class="pre">ToTable()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow17RecordBatchReader4MakeE17RecordBatchVectorNSt10shared_ptrI6SchemaEE20DeviceAllocationType"><code class="docutils literal notranslate"><span class="pre">Make()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow17RecordBatchReader16MakeFromIteratorE8IteratorINSt10shared_ptrI11RecordBatchEEENSt10shared_ptrI6SchemaEE20DeviceAllocationType"><code class="docutils literal notranslate"><span class="pre">MakeFromIterator()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow17RecordBatchReader25RecordBatchReaderIteratorE"><code class="docutils literal notranslate"><span class="pre">arrow::RecordBatchReader::RecordBatchReaderIterator</span></code></a></li> |
| </ul> |
| </li> |
| <li class="toc-h3 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow16TableBatchReaderE"><code class="docutils literal notranslate"><span class="pre">arrow::TableBatchReader</span></code></a><ul class="nav section-nav flex-column"> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow16TableBatchReader16TableBatchReaderERK5Table"><code class="docutils literal notranslate"><span class="pre">TableBatchReader()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow16TableBatchReader6schemaEv"><code class="docutils literal notranslate"><span class="pre">schema()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow16TableBatchReader8ReadNextEPNSt10shared_ptrI11RecordBatchEE"><code class="docutils literal notranslate"><span class="pre">ReadNext()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow16TableBatchReader13set_chunksizeE7int64_t"><code class="docutils literal notranslate"><span class="pre">set_chunksize()</span></code></a></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| <li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#tables">Tables</a><ul class="visible nav section-nav flex-column"> |
| <li class="toc-h3 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow5TableE"><code class="docutils literal notranslate"><span class="pre">arrow::Table</span></code></a><ul class="nav section-nav flex-column"> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table6schemaEv"><code class="docutils literal notranslate"><span class="pre">schema()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table6columnEi"><code class="docutils literal notranslate"><span class="pre">column()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table7columnsEv"><code class="docutils literal notranslate"><span class="pre">columns()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table5fieldEi"><code class="docutils literal notranslate"><span class="pre">field()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table6fieldsEv"><code class="docutils literal notranslate"><span class="pre">fields()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table5SliceE7int64_t7int64_t"><code class="docutils literal notranslate"><span class="pre">Slice()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table5SliceE7int64_t"><code class="docutils literal notranslate"><span class="pre">Slice()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table15GetColumnByNameERKNSt6stringE"><code class="docutils literal notranslate"><span class="pre">GetColumnByName()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table12RemoveColumnEi"><code class="docutils literal notranslate"><span class="pre">RemoveColumn()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table9AddColumnEiNSt10shared_ptrI5FieldEENSt10shared_ptrI12ChunkedArrayEE"><code class="docutils literal notranslate"><span class="pre">AddColumn()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table9SetColumnEiNSt10shared_ptrI5FieldEENSt10shared_ptrI12ChunkedArrayEE"><code class="docutils literal notranslate"><span class="pre">SetColumn()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table11ColumnNamesEv"><code class="docutils literal notranslate"><span class="pre">ColumnNames()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table13RenameColumnsERKNSt6vectorINSt6stringEEE"><code class="docutils literal notranslate"><span class="pre">RenameColumns()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table13SelectColumnsERKNSt6vectorIiEE"><code class="docutils literal notranslate"><span class="pre">SelectColumns()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table21ReplaceSchemaMetadataERKNSt10shared_ptrIK16KeyValueMetadataEE"><code class="docutils literal notranslate"><span class="pre">ReplaceSchemaMetadata()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table7FlattenEP10MemoryPool"><code class="docutils literal notranslate"><span class="pre">Flatten()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table8ToStringEv"><code class="docutils literal notranslate"><span class="pre">ToString()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table8ValidateEv"><code class="docutils literal notranslate"><span class="pre">Validate()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table12ValidateFullEv"><code class="docutils literal notranslate"><span class="pre">ValidateFull()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table11num_columnsEv"><code class="docutils literal notranslate"><span class="pre">num_columns()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table8num_rowsEv"><code class="docutils literal notranslate"><span class="pre">num_rows()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table6EqualsERK5TableRK12EqualOptions"><code class="docutils literal notranslate"><span class="pre">Equals()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table6EqualsERK5TablebRK12EqualOptions"><code class="docutils literal notranslate"><span class="pre">Equals()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table13CombineChunksEP10MemoryPool"><code class="docutils literal notranslate"><span class="pre">CombineChunks()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4NK5arrow5Table20CombineChunksToBatchEP10MemoryPool"><code class="docutils literal notranslate"><span class="pre">CombineChunksToBatch()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow5Table4MakeENSt10shared_ptrI6SchemaEENSt6vectorINSt10shared_ptrI12ChunkedArrayEEEE7int64_t"><code class="docutils literal notranslate"><span class="pre">Make()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow5Table4MakeENSt10shared_ptrI6SchemaEERKNSt6vectorINSt10shared_ptrI5ArrayEEEE7int64_t"><code class="docutils literal notranslate"><span class="pre">Make()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow5Table9MakeEmptyENSt10shared_ptrI6SchemaEEP10MemoryPool"><code class="docutils literal notranslate"><span class="pre">MakeEmpty()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow5Table21FromRecordBatchReaderEP17RecordBatchReader"><code class="docutils literal notranslate"><span class="pre">FromRecordBatchReader()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow5Table17FromRecordBatchesERKNSt6vectorINSt10shared_ptrI11RecordBatchEEEE"><code class="docutils literal notranslate"><span class="pre">FromRecordBatches()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow5Table17FromRecordBatchesENSt10shared_ptrI6SchemaEERKNSt6vectorINSt10shared_ptrI11RecordBatchEEEE"><code class="docutils literal notranslate"><span class="pre">FromRecordBatches()</span></code></a></li> |
| <li class="toc-h4 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow5Table22FromChunkedStructArrayERKNSt10shared_ptrI12ChunkedArrayEE"><code class="docutils literal notranslate"><span class="pre">FromChunkedStructArray()</span></code></a></li> |
| </ul> |
| </li> |
| <li class="toc-h3 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow17ConcatenateTablesERKNSt6vectorINSt10shared_ptrI5TableEEEE24ConcatenateTablesOptionsP10MemoryPool"><code class="docutils literal notranslate"><span class="pre">ConcatenateTables()</span></code></a></li> |
| <li class="toc-h3 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow20PromoteTableToSchemaERKNSt10shared_ptrI5TableEERKNSt10shared_ptrI6SchemaEEP10MemoryPool"><code class="docutils literal notranslate"><span class="pre">PromoteTableToSchema()</span></code></a></li> |
| <li class="toc-h3 nav-item toc-entry"><a class="reference internal nav-link" href="#_CPPv4N5arrow20PromoteTableToSchemaERKNSt10shared_ptrI5TableEERKNSt10shared_ptrI6SchemaEERKN7compute11CastOptionsEP10MemoryPool"><code class="docutils literal notranslate"><span class="pre">PromoteTableToSchema()</span></code></a></li> |
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