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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_signed_integer.html">pyarrow.types.is_signed_integer</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_unsigned_integer.html">pyarrow.types.is_unsigned_integer</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_int8.html">pyarrow.types.is_int8</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_int16.html">pyarrow.types.is_int16</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_int32.html">pyarrow.types.is_int32</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_int64.html">pyarrow.types.is_int64</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_uint8.html">pyarrow.types.is_uint8</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_uint16.html">pyarrow.types.is_uint16</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_uint32.html">pyarrow.types.is_uint32</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_uint64.html">pyarrow.types.is_uint64</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_floating.html">pyarrow.types.is_floating</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_float16.html">pyarrow.types.is_float16</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_float32.html">pyarrow.types.is_float32</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_float64.html">pyarrow.types.is_float64</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_decimal.html">pyarrow.types.is_decimal</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_decimal128.html">pyarrow.types.is_decimal128</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_decimal256.html">pyarrow.types.is_decimal256</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_list.html">pyarrow.types.is_list</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_large_list.html">pyarrow.types.is_large_list</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_fixed_size_list.html">pyarrow.types.is_fixed_size_list</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_list_view.html">pyarrow.types.is_list_view</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_large_list_view.html">pyarrow.types.is_large_list_view</a></li> |
| <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> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_date64.html">pyarrow.types.is_date64</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_time.html">pyarrow.types.is_time</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_time32.html">pyarrow.types.is_time32</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_time64.html">pyarrow.types.is_time64</a></li> |
| <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> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.nulls.html">pyarrow.nulls</a></li> |
| <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> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Decimal128Array.html">pyarrow.Decimal128Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Decimal256Array.html">pyarrow.Decimal256Array</a></li> |
| <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> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.jemalloc_memory_pool.html">pyarrow.jemalloc_memory_pool</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.mimalloc_memory_pool.html">pyarrow.mimalloc_memory_pool</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.system_memory_pool.html">pyarrow.system_memory_pool</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.jemalloc_set_decay_ms.html">pyarrow.jemalloc_set_decay_ms</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.set_memory_pool.html">pyarrow.set_memory_pool</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.log_memory_allocations.html">pyarrow.log_memory_allocations</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.total_allocated_bytes.html">pyarrow.total_allocated_bytes</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../python/api/tables.html">Tables and Tensors</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.chunked_array.html">pyarrow.chunked_array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.concat_arrays.html">pyarrow.concat_arrays</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.concat_tables.html">pyarrow.concat_tables</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.record_batch.html">pyarrow.record_batch</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.concat_batches.html">pyarrow.concat_batches</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.table.html">pyarrow.table</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ChunkedArray.html">pyarrow.ChunkedArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.RecordBatch.html">pyarrow.RecordBatch</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Table.html">pyarrow.Table</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.TableGroupBy.html">pyarrow.TableGroupBy</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.RecordBatchReader.html">pyarrow.RecordBatchReader</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.interchange.from_dataframe.html">pyarrow.interchange.from_dataframe</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Tensor.html">pyarrow.Tensor</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../python/api/compute.html">Compute Functions</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.compute.all.html">pyarrow.compute.all</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.any.html">pyarrow.compute.any</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.approximate_median.html">pyarrow.compute.approximate_median</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.count.html">pyarrow.compute.count</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.count_distinct.html">pyarrow.compute.count_distinct</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.index.html">pyarrow.compute.index</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.max.html">pyarrow.compute.max</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.mean.html">pyarrow.compute.mean</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.min.html">pyarrow.compute.min</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.min_max.html">pyarrow.compute.min_max</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.mode.html">pyarrow.compute.mode</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.pivot_wider.html">pyarrow.compute.pivot_wider</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.product.html">pyarrow.compute.product</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.quantile.html">pyarrow.compute.quantile</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.stddev.html">pyarrow.compute.stddev</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.sum.html">pyarrow.compute.sum</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.tdigest.html">pyarrow.compute.tdigest</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.variance.html">pyarrow.compute.variance</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.cumulative_sum.html">pyarrow.compute.cumulative_sum</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.cumulative_sum_checked.html">pyarrow.compute.cumulative_sum_checked</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.cumulative_max.html">pyarrow.compute.cumulative_max</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.cumulative_min.html">pyarrow.compute.cumulative_min</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.abs.html">pyarrow.compute.abs</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.add.html">pyarrow.compute.add</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.add_checked.html">pyarrow.compute.add_checked</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.sign.html">pyarrow.compute.sign</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.sqrt.html">pyarrow.compute.sqrt</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.sqrt_checked.html">pyarrow.compute.sqrt_checked</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.subtract.html">pyarrow.compute.subtract</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.bit_wise_and.html">pyarrow.compute.bit_wise_and</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.bit_wise_not.html">pyarrow.compute.bit_wise_not</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.bit_wise_or.html">pyarrow.compute.bit_wise_or</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.bit_wise_xor.html">pyarrow.compute.bit_wise_xor</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.round.html">pyarrow.compute.round</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.round_to_multiple.html">pyarrow.compute.round_to_multiple</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.trunc.html">pyarrow.compute.trunc</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ln.html">pyarrow.compute.ln</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ln_checked.html">pyarrow.compute.ln_checked</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.log10.html">pyarrow.compute.log10</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.log1p.html">pyarrow.compute.log1p</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.logb.html">pyarrow.compute.logb</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.acos.html">pyarrow.compute.acos</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.asin.html">pyarrow.compute.asin</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.asin_checked.html">pyarrow.compute.asin_checked</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.atan.html">pyarrow.compute.atan</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.atan2.html">pyarrow.compute.atan2</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.cos.html">pyarrow.compute.cos</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.cos_checked.html">pyarrow.compute.cos_checked</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.sin.html">pyarrow.compute.sin</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.sin_checked.html">pyarrow.compute.sin_checked</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.tan.html">pyarrow.compute.tan</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.tan_checked.html">pyarrow.compute.tan_checked</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.equal.html">pyarrow.compute.equal</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.greater.html">pyarrow.compute.greater</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.greater_equal.html">pyarrow.compute.greater_equal</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.less.html">pyarrow.compute.less</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.less_equal.html">pyarrow.compute.less_equal</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.not_equal.html">pyarrow.compute.not_equal</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.max_element_wise.html">pyarrow.compute.max_element_wise</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.min_element_wise.html">pyarrow.compute.min_element_wise</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.and_.html">pyarrow.compute.and_</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.and_kleene.html">pyarrow.compute.and_kleene</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.and_not.html">pyarrow.compute.and_not</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.and_not_kleene.html">pyarrow.compute.and_not_kleene</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.invert.html">pyarrow.compute.invert</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.or_.html">pyarrow.compute.or_</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.or_kleene.html">pyarrow.compute.or_kleene</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.xor.html">pyarrow.compute.xor</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_is_alnum.html">pyarrow.compute.ascii_is_alnum</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_is_alpha.html">pyarrow.compute.ascii_is_alpha</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_is_decimal.html">pyarrow.compute.ascii_is_decimal</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_is_lower.html">pyarrow.compute.ascii_is_lower</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_is_printable.html">pyarrow.compute.ascii_is_printable</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_is_space.html">pyarrow.compute.ascii_is_space</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_is_upper.html">pyarrow.compute.ascii_is_upper</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.utf8_is_alnum.html">pyarrow.compute.utf8_is_alnum</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.utf8_is_alpha.html">pyarrow.compute.utf8_is_alpha</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.utf8_is_decimal.html">pyarrow.compute.utf8_is_decimal</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.utf8_is_digit.html">pyarrow.compute.utf8_is_digit</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.utf8_is_lower.html">pyarrow.compute.utf8_is_lower</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.utf8_is_numeric.html">pyarrow.compute.utf8_is_numeric</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.utf8_is_printable.html">pyarrow.compute.utf8_is_printable</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.utf8_is_upper.html">pyarrow.compute.utf8_is_upper</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_is_title.html">pyarrow.compute.ascii_is_title</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.string_is_ascii.html">pyarrow.compute.string_is_ascii</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_capitalize.html">pyarrow.compute.ascii_capitalize</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_lower.html">pyarrow.compute.ascii_lower</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_reverse.html">pyarrow.compute.ascii_reverse</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_swapcase.html">pyarrow.compute.ascii_swapcase</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.binary_length.html">pyarrow.compute.binary_length</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.binary_repeat.html">pyarrow.compute.binary_repeat</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.binary_reverse.html">pyarrow.compute.binary_reverse</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.utf8_swapcase.html">pyarrow.compute.utf8_swapcase</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.StrptimeOptions.html">pyarrow.compute.StrptimeOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.StructFieldOptions.html">pyarrow.compute.StructFieldOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.TakeOptions.html">pyarrow.compute.TakeOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.TDigestOptions.html">pyarrow.compute.TDigestOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.TrimOptions.html">pyarrow.compute.TrimOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.VarianceOptions.html">pyarrow.compute.VarianceOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.WeekOptions.html">pyarrow.compute.WeekOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.register_scalar_function.html">pyarrow.compute.register_scalar_function</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.UdfContext.html">pyarrow.compute.UdfContext</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.field.html">pyarrow.compute.field</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.scalar.html">pyarrow.compute.scalar</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../python/api/acero.html">Acero - Streaming Execution Engine</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.acero.Declaration.html">pyarrow.acero.Declaration</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.acero.ExecNodeOptions.html">pyarrow.acero.ExecNodeOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.acero.TableSourceNodeOptions.html">pyarrow.acero.TableSourceNodeOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.acero.ScanNodeOptions.html">pyarrow.acero.ScanNodeOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.acero.FilterNodeOptions.html">pyarrow.acero.FilterNodeOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.acero.ProjectNodeOptions.html">pyarrow.acero.ProjectNodeOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.acero.AggregateNodeOptions.html">pyarrow.acero.AggregateNodeOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.acero.OrderByNodeOptions.html">pyarrow.acero.OrderByNodeOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.acero.HashJoinNodeOptions.html">pyarrow.acero.HashJoinNodeOptions</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../python/api/substrait.html">Substrait</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.substrait.run_query.html">pyarrow.substrait.run_query</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.substrait.BoundExpressions.html">pyarrow.substrait.BoundExpressions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.substrait.deserialize_expressions.html">pyarrow.substrait.deserialize_expressions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.substrait.serialize_expressions.html">pyarrow.substrait.serialize_expressions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.substrait.serialize_schema.html">pyarrow.substrait.serialize_schema</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.substrait.deserialize_schema.html">pyarrow.substrait.deserialize_schema</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.substrait.SubstraitSchema.html">pyarrow.substrait.SubstraitSchema</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.substrait.get_supported_functions.html">pyarrow.substrait.get_supported_functions</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../python/api/files.html">Streams and File Access</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.input_stream.html">pyarrow.input_stream</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.output_stream.html">pyarrow.output_stream</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.memory_map.html">pyarrow.memory_map</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.create_memory_map.html">pyarrow.create_memory_map</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.NativeFile.html">pyarrow.NativeFile</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.OSFile.html">pyarrow.OSFile</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.PythonFile.html">pyarrow.PythonFile</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.BufferReader.html">pyarrow.BufferReader</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.BufferOutputStream.html">pyarrow.BufferOutputStream</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.FixedSizeBufferWriter.html">pyarrow.FixedSizeBufferWriter</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.MemoryMappedFile.html">pyarrow.MemoryMappedFile</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.CompressedInputStream.html">pyarrow.CompressedInputStream</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.CompressedOutputStream.html">pyarrow.CompressedOutputStream</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../python/api/ipc.html">Serialization and IPC</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.ipc.new_file.html">pyarrow.ipc.new_file</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.open_file.html">pyarrow.ipc.open_file</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.new_stream.html">pyarrow.ipc.new_stream</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.open_stream.html">pyarrow.ipc.open_stream</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.read_message.html">pyarrow.ipc.read_message</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.read_record_batch.html">pyarrow.ipc.read_record_batch</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.get_record_batch_size.html">pyarrow.ipc.get_record_batch_size</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.read_tensor.html">pyarrow.ipc.read_tensor</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.write_tensor.html">pyarrow.ipc.write_tensor</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.get_tensor_size.html">pyarrow.ipc.get_tensor_size</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.IpcReadOptions.html">pyarrow.ipc.IpcReadOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.IpcWriteOptions.html">pyarrow.ipc.IpcWriteOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.Message.html">pyarrow.ipc.Message</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.MessageReader.html">pyarrow.ipc.MessageReader</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.RecordBatchFileReader.html">pyarrow.ipc.RecordBatchFileReader</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.RecordBatchFileWriter.html">pyarrow.ipc.RecordBatchFileWriter</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.RecordBatchStreamReader.html">pyarrow.ipc.RecordBatchStreamReader</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.RecordBatchStreamWriter.html">pyarrow.ipc.RecordBatchStreamWriter</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../python/api/flight.html">Arrow Flight</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.flight.Action.html">pyarrow.flight.Action</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.ActionType.html">pyarrow.flight.ActionType</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.DescriptorType.html">pyarrow.flight.DescriptorType</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightDescriptor.html">pyarrow.flight.FlightDescriptor</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightEndpoint.html">pyarrow.flight.FlightEndpoint</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightInfo.html">pyarrow.flight.FlightInfo</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.Location.html">pyarrow.flight.Location</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.MetadataRecordBatchReader.html">pyarrow.flight.MetadataRecordBatchReader</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.MetadataRecordBatchWriter.html">pyarrow.flight.MetadataRecordBatchWriter</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.Ticket.html">pyarrow.flight.Ticket</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.Result.html">pyarrow.flight.Result</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.connect.html">pyarrow.flight.connect</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightCallOptions.html">pyarrow.flight.FlightCallOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightClient.html">pyarrow.flight.FlightClient</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightStreamReader.html">pyarrow.flight.FlightStreamReader</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightStreamWriter.html">pyarrow.flight.FlightStreamWriter</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.ClientMiddlewareFactory.html">pyarrow.flight.ClientMiddlewareFactory</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.ClientMiddleware.html">pyarrow.flight.ClientMiddleware</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightDataStream.html">pyarrow.flight.FlightDataStream</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightMetadataWriter.html">pyarrow.flight.FlightMetadataWriter</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightServerBase.html">pyarrow.flight.FlightServerBase</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.GeneratorStream.html">pyarrow.flight.GeneratorStream</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.RecordBatchStream.html">pyarrow.flight.RecordBatchStream</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.ServerCallContext.html">pyarrow.flight.ServerCallContext</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.ServerMiddlewareFactory.html">pyarrow.flight.ServerMiddlewareFactory</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.ServerMiddleware.html">pyarrow.flight.ServerMiddleware</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.ClientAuthHandler.html">pyarrow.flight.ClientAuthHandler</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.ServerAuthHandler.html">pyarrow.flight.ServerAuthHandler</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightError.html">pyarrow.flight.FlightError</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightCancelledError.html">pyarrow.flight.FlightCancelledError</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightInternalError.html">pyarrow.flight.FlightInternalError</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightServerError.html">pyarrow.flight.FlightServerError</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightTimedOutError.html">pyarrow.flight.FlightTimedOutError</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightUnauthenticatedError.html">pyarrow.flight.FlightUnauthenticatedError</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightUnauthorizedError.html">pyarrow.flight.FlightUnauthorizedError</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightUnavailableError.html">pyarrow.flight.FlightUnavailableError</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightWriteSizeExceededError.html">pyarrow.flight.FlightWriteSizeExceededError</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightMethod.html">pyarrow.flight.FlightMethod</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.CallInfo.html">pyarrow.flight.CallInfo</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../python/api/formats.html">Tabular File Formats</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.csv.ConvertOptions.html">pyarrow.csv.ConvertOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.CSVStreamingReader.html">pyarrow.csv.CSVStreamingReader</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.CSVWriter.html">pyarrow.csv.CSVWriter</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.ISO8601.html">pyarrow.csv.ISO8601</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.ParseOptions.html">pyarrow.csv.ParseOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.ReadOptions.html">pyarrow.csv.ReadOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.WriteOptions.html">pyarrow.csv.WriteOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.open_csv.html">pyarrow.csv.open_csv</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.read_csv.html">pyarrow.csv.read_csv</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.write_csv.html">pyarrow.csv.write_csv</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.InvalidRow.html">pyarrow.csv.InvalidRow</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.feather.read_feather.html">pyarrow.feather.read_feather</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.feather.read_table.html">pyarrow.feather.read_table</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.feather.write_feather.html">pyarrow.feather.write_feather</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.json.ReadOptions.html">pyarrow.json.ReadOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.json.ParseOptions.html">pyarrow.json.ParseOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.json.open_json.html">pyarrow.json.open_json</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.json.read_json.html">pyarrow.json.read_json</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.ParquetDataset.html">pyarrow.parquet.ParquetDataset</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.ParquetFile.html">pyarrow.parquet.ParquetFile</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.ParquetWriter.html">pyarrow.parquet.ParquetWriter</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.read_table.html">pyarrow.parquet.read_table</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.read_metadata.html">pyarrow.parquet.read_metadata</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.read_pandas.html">pyarrow.parquet.read_pandas</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.read_schema.html">pyarrow.parquet.read_schema</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.write_metadata.html">pyarrow.parquet.write_metadata</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.write_table.html">pyarrow.parquet.write_table</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.write_to_dataset.html">pyarrow.parquet.write_to_dataset</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.FileMetaData.html">pyarrow.parquet.FileMetaData</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.RowGroupMetaData.html">pyarrow.parquet.RowGroupMetaData</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.SortingColumn.html">pyarrow.parquet.SortingColumn</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.ColumnChunkMetaData.html">pyarrow.parquet.ColumnChunkMetaData</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.Statistics.html">pyarrow.parquet.Statistics</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.ParquetSchema.html">pyarrow.parquet.ParquetSchema</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.ColumnSchema.html">pyarrow.parquet.ColumnSchema</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.ParquetLogicalType.html">pyarrow.parquet.ParquetLogicalType</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.encryption.CryptoFactory.html">pyarrow.parquet.encryption.CryptoFactory</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.encryption.KmsClient.html">pyarrow.parquet.encryption.KmsClient</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.encryption.KmsConnectionConfig.html">pyarrow.parquet.encryption.KmsConnectionConfig</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.encryption.EncryptionConfiguration.html">pyarrow.parquet.encryption.EncryptionConfiguration</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.encryption.DecryptionConfiguration.html">pyarrow.parquet.encryption.DecryptionConfiguration</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.orc.ORCFile.html">pyarrow.orc.ORCFile</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.orc.ORCWriter.html">pyarrow.orc.ORCWriter</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.orc.read_table.html">pyarrow.orc.read_table</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.orc.write_table.html">pyarrow.orc.write_table</a></li> |
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| |
| <section id="data-types"> |
| <h1>Data Types<a class="headerlink" href="#data-types" title="Link to this heading">#</a></h1> |
| <div class="admonition seealso"> |
| <p class="admonition-title">See also</p> |
| <p><a class="reference internal" href="api/datatype.html"><span class="doc">Datatype API reference</span></a>.</p> |
| </div> |
| <p>Data types govern how physical data is interpreted. Their <a class="reference internal" href="../format/Columnar.html#format-columnar"><span class="std std-ref">specification</span></a> allows binary interoperability between different Arrow |
| implementations, including from different programming languages and runtimes |
| (for example it is possible to access the same data, without copying, from |
| both Python and Java using the <code class="xref py py-mod docutils literal notranslate"><span class="pre">pyarrow.jvm</span></code> bridge module).</p> |
| <p>Information about a data type in C++ can be represented in three ways:</p> |
| <ol class="arabic simple"> |
| <li><p>Using a <a class="reference internal" href="api/datatype.html#_CPPv4N5arrow8DataTypeE" title="arrow::DataType"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::DataType</span></code></a> instance (e.g. as a function argument)</p></li> |
| <li><p>Using a <a class="reference internal" href="api/datatype.html#_CPPv4N5arrow8DataTypeE" title="arrow::DataType"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::DataType</span></code></a> concrete subclass (e.g. as a template |
| parameter)</p></li> |
| <li><p>Using a <a class="reference internal" href="api/datatype.html#_CPPv4N5arrow4Type4typeE" title="arrow::Type::type"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">arrow::Type::type</span></code></a> enum value (e.g. as the condition of |
| a switch statement)</p></li> |
| </ol> |
| <p>The first form (using a <a class="reference internal" href="api/datatype.html#_CPPv4N5arrow8DataTypeE" title="arrow::DataType"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::DataType</span></code></a> instance) is the most idiomatic |
| and flexible. Runtime-parametric types can only be fully represented with |
| a DataType instance. For example, a <a class="reference internal" href="api/datatype.html#_CPPv4N5arrow13TimestampTypeE" title="arrow::TimestampType"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::TimestampType</span></code></a> needs to be |
| constructed at runtime with a <a class="reference internal" href="api/datatype.html#_CPPv4N5arrow8TimeUnit4typeE" title="arrow::TimeUnit::type"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">arrow::TimeUnit::type</span></code></a> parameter; a |
| <a class="reference internal" href="api/datatype.html#_CPPv4N5arrow14Decimal128TypeE" title="arrow::Decimal128Type"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::Decimal128Type</span></code></a> with <em>scale</em> and <em>precision</em> parameters; |
| a <a class="reference internal" href="api/datatype.html#_CPPv4N5arrow8ListTypeE" title="arrow::ListType"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::ListType</span></code></a> with a full child type (itself a |
| <a class="reference internal" href="api/datatype.html#_CPPv4N5arrow8DataTypeE" title="arrow::DataType"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::DataType</span></code></a> instance).</p> |
| <p>The two other forms can be used where performance is critical, in order to |
| avoid paying the price of dynamic typing and polymorphism. However, some |
| amount of runtime switching can still be required for parametric types. |
| It is not possible to reify all possible types at compile time, since Arrow |
| data types allows arbitrary nesting.</p> |
| <section id="creating-data-types"> |
| <h2>Creating data types<a class="headerlink" href="#creating-data-types" title="Link to this heading">#</a></h2> |
| <p>To instantiate data types, it is recommended to call the provided |
| <a class="reference internal" href="api/datatype.html#api-type-factories"><span class="std std-ref">factory functions</span></a>:</p> |
| <div class="highlight-cpp notranslate"><div class="highlight"><pre><span></span><span class="n">std</span><span class="o">::</span><span class="n">shared_ptr</span><span class="o"><</span><span class="n">arrow</span><span class="o">::</span><span class="n">DataType</span><span class="o">></span><span class="w"> </span><span class="n">type</span><span class="p">;</span> |
| |
| <span class="c1">// A 16-bit integer type</span> |
| <span class="n">type</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">arrow</span><span class="o">::</span><span class="n">int16</span><span class="p">();</span> |
| <span class="c1">// A 64-bit timestamp type (with microsecond granularity)</span> |
| <span class="n">type</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">arrow</span><span class="o">::</span><span class="n">timestamp</span><span class="p">(</span><span class="n">arrow</span><span class="o">::</span><span class="n">TimeUnit</span><span class="o">::</span><span class="n">MICRO</span><span class="p">);</span> |
| <span class="c1">// A list type of single-precision floating-point values</span> |
| <span class="n">type</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">arrow</span><span class="o">::</span><span class="n">list</span><span class="p">(</span><span class="n">arrow</span><span class="o">::</span><span class="n">float32</span><span class="p">());</span> |
| </pre></div> |
| </div> |
| </section> |
| <section id="type-traits"> |
| <h2>Type Traits<a class="headerlink" href="#type-traits" title="Link to this heading">#</a></h2> |
| <p>Writing code that can handle concrete <a class="reference internal" href="api/datatype.html#_CPPv4N5arrow8DataTypeE" title="arrow::DataType"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::DataType</span></code></a> subclasses would |
| be verbose, if it weren’t for type traits. Arrow’s type traits map the Arrow |
| data types to the specialized array, scalar, builder, and other associated types. |
| For example, the Boolean type has traits:</p> |
| <div class="highlight-cpp notranslate"><div class="highlight"><pre><span></span><span class="k">template</span><span class="w"> </span><span class="o"><></span> |
| <span class="k">struct</span><span class="w"> </span><span class="nc">TypeTraits</span><span class="o"><</span><span class="n">BooleanType</span><span class="o">></span><span class="w"> </span><span class="p">{</span> |
| <span class="w"> </span><span class="k">using</span><span class="w"> </span><span class="n">ArrayType</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">BooleanArray</span><span class="p">;</span> |
| <span class="w"> </span><span class="k">using</span><span class="w"> </span><span class="n">BuilderType</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">BooleanBuilder</span><span class="p">;</span> |
| <span class="w"> </span><span class="k">using</span><span class="w"> </span><span class="n">ScalarType</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">BooleanScalar</span><span class="p">;</span> |
| <span class="w"> </span><span class="k">using</span><span class="w"> </span><span class="n">CType</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kt">bool</span><span class="p">;</span> |
| |
| <span class="w"> </span><span class="k">static</span><span class="w"> </span><span class="k">constexpr</span><span class="w"> </span><span class="kt">int64_t</span><span class="w"> </span><span class="nf">bytes_required</span><span class="p">(</span><span class="kt">int64_t</span><span class="w"> </span><span class="n">elements</span><span class="p">)</span><span class="w"> </span><span class="p">{</span> |
| <span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">bit_util</span><span class="o">::</span><span class="n">BytesForBits</span><span class="p">(</span><span class="n">elements</span><span class="p">);</span> |
| <span class="w"> </span><span class="p">}</span> |
| <span class="w"> </span><span class="k">constexpr</span><span class="w"> </span><span class="k">static</span><span class="w"> </span><span class="kt">bool</span><span class="w"> </span><span class="n">is_parameter_free</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">true</span><span class="p">;</span> |
| <span class="w"> </span><span class="k">static</span><span class="w"> </span><span class="kr">inline</span><span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">shared_ptr</span><span class="o"><</span><span class="n">DataType</span><span class="o">></span><span class="w"> </span><span class="n">type_singleton</span><span class="p">()</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">boolean</span><span class="p">();</span><span class="w"> </span><span class="p">}</span> |
| <span class="p">};</span> |
| </pre></div> |
| </div> |
| <p>See the <a class="reference internal" href="api/utilities.html#type-traits"><span class="std std-ref">Type Traits</span></a> for an explanation of each of these fields.</p> |
| <p>Using type traits, one can write template functions that can handle a variety |
| of Arrow types. For example, to write a function that creates an array of |
| Fibonacci values for any Arrow numeric type:</p> |
| <div class="highlight-cpp notranslate"><div class="highlight"><pre><span></span><span class="k">template</span><span class="w"> </span><span class="o"><</span><span class="k">typename</span><span class="w"> </span><span class="nc">DataType</span><span class="p">,</span> |
| <span class="w"> </span><span class="k">typename</span><span class="w"> </span><span class="nc">BuilderType</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">typename</span><span class="w"> </span><span class="nc">arrow</span><span class="o">::</span><span class="n">TypeTraits</span><span class="o"><</span><span class="n">DataType</span><span class="o">>::</span><span class="n">BuilderType</span><span class="p">,</span> |
| <span class="w"> </span><span class="k">typename</span><span class="w"> </span><span class="nc">ArrayType</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">typename</span><span class="w"> </span><span class="nc">arrow</span><span class="o">::</span><span class="n">TypeTraits</span><span class="o"><</span><span class="n">DataType</span><span class="o">>::</span><span class="n">ArrayType</span><span class="p">,</span> |
| <span class="w"> </span><span class="k">typename</span><span class="w"> </span><span class="nc">CType</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">typename</span><span class="w"> </span><span class="nc">arrow</span><span class="o">::</span><span class="n">TypeTraits</span><span class="o"><</span><span class="n">DataType</span><span class="o">>::</span><span class="n">CType</span><span class="o">></span> |
| <span class="n">arrow</span><span class="o">::</span><span class="n">Result</span><span class="o"><</span><span class="n">std</span><span class="o">::</span><span class="n">shared_ptr</span><span class="o"><</span><span class="n">ArrayType</span><span class="o">>></span><span class="w"> </span><span class="n">MakeFibonacci</span><span class="p">(</span><span class="kt">int32_t</span><span class="w"> </span><span class="n">n</span><span class="p">)</span><span class="w"> </span><span class="p">{</span> |
| <span class="w"> </span><span class="n">BuilderType</span><span class="w"> </span><span class="n">builder</span><span class="p">;</span> |
| <span class="w"> </span><span class="n">CType</span><span class="w"> </span><span class="n">val</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span> |
| <span class="w"> </span><span class="n">CType</span><span class="w"> </span><span class="n">next_val</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</span><span class="p">;</span> |
| <span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="kt">int32_t</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="n">n</span><span class="p">;</span><span class="w"> </span><span class="o">++</span><span class="n">i</span><span class="p">)</span><span class="w"> </span><span class="p">{</span> |
| <span class="w"> </span><span class="n">builder</span><span class="p">.</span><span class="n">Append</span><span class="p">(</span><span class="n">val</span><span class="p">);</span> |
| <span class="w"> </span><span class="n">CType</span><span class="w"> </span><span class="n">temp</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">val</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">next_val</span><span class="p">;</span> |
| <span class="w"> </span><span class="n">val</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">next_val</span><span class="p">;</span> |
| <span class="w"> </span><span class="n">next_val</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">temp</span><span class="p">;</span> |
| <span class="w"> </span><span class="p">}</span> |
| <span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">shared_ptr</span><span class="o"><</span><span class="n">ArrayType</span><span class="o">></span><span class="w"> </span><span class="n">out</span><span class="p">;</span> |
| <span class="w"> </span><span class="n">ARROW_RETURN_NOT_OK</span><span class="p">(</span><span class="n">builder</span><span class="p">.</span><span class="n">Finish</span><span class="p">(</span><span class="o">&</span><span class="n">out</span><span class="p">));</span> |
| <span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">out</span><span class="p">;</span> |
| <span class="p">}</span> |
| </pre></div> |
| </div> |
| <p>For some common cases, there are type associations on the classes themselves. Use:</p> |
| <ul class="simple"> |
| <li><p><code class="docutils literal notranslate"><span class="pre">Scalar::TypeClass</span></code> to get data type class of a scalar</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">Array::TypeClass</span></code> to get data type class of an array</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">DataType::c_type</span></code> to get associated C type of an Arrow data type</p></li> |
| </ul> |
| <p>Similar to the type traits provided in |
| <a class="reference external" href="https://en.cppreference.com/w/cpp/header/type_traits">std::type_traits</a>, |
| Arrow provides type predicates such as <code class="docutils literal notranslate"><span class="pre">is_number_type</span></code> as well as |
| corresponding templates that wrap <code class="docutils literal notranslate"><span class="pre">std::enable_if_t</span></code> such as <code class="docutils literal notranslate"><span class="pre">enable_if_number</span></code>. |
| These can constrain template functions to only compile for relevant types, which |
| is useful if other overloads need to be implemented. For example, to write a sum |
| function for any numeric (integer or float) array:</p> |
| <div class="highlight-cpp notranslate"><div class="highlight"><pre><span></span><span class="k">template</span><span class="w"> </span><span class="o"><</span><span class="k">typename</span><span class="w"> </span><span class="nc">ArrayType</span><span class="p">,</span><span class="w"> </span><span class="k">typename</span><span class="w"> </span><span class="nc">DataType</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">typename</span><span class="w"> </span><span class="nc">ArrayType</span><span class="o">::</span><span class="n">TypeClass</span><span class="p">,</span> |
| <span class="w"> </span><span class="k">typename</span><span class="w"> </span><span class="nc">CType</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">typename</span><span class="w"> </span><span class="nc">DataType</span><span class="o">::</span><span class="n">c_type</span><span class="o">></span> |
| <span class="n">arrow</span><span class="o">::</span><span class="n">enable_if_number</span><span class="o"><</span><span class="n">DataType</span><span class="p">,</span><span class="w"> </span><span class="n">CType</span><span class="o">></span><span class="w"> </span><span class="n">SumArray</span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="n">ArrayType</span><span class="o">&</span><span class="w"> </span><span class="n">array</span><span class="p">)</span><span class="w"> </span><span class="p">{</span> |
| <span class="w"> </span><span class="n">CType</span><span class="w"> </span><span class="n">sum</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span> |
| <span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">optional</span><span class="o"><</span><span class="n">CType</span><span class="o">></span><span class="w"> </span><span class="n">value</span><span class="w"> </span><span class="o">:</span><span class="w"> </span><span class="n">array</span><span class="p">)</span><span class="w"> </span><span class="p">{</span> |
| <span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">value</span><span class="p">.</span><span class="n">has_value</span><span class="p">())</span><span class="w"> </span><span class="p">{</span> |
| <span class="w"> </span><span class="n">sum</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="n">value</span><span class="p">.</span><span class="n">value</span><span class="p">();</span> |
| <span class="w"> </span><span class="p">}</span> |
| <span class="w"> </span><span class="p">}</span> |
| <span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">sum</span><span class="p">;</span> |
| <span class="p">}</span> |
| </pre></div> |
| </div> |
| <p>See <a class="reference internal" href="api/utilities.html#type-predicates-api"><span class="std std-ref">Type Predicates</span></a> for a list of these.</p> |
| </section> |
| <section id="visitor-pattern"> |
| <span id="cpp-visitor-pattern"></span><h2>Visitor Pattern<a class="headerlink" href="#visitor-pattern" title="Link to this heading">#</a></h2> |
| <p>In order to process <a class="reference internal" href="api/datatype.html#_CPPv4N5arrow8DataTypeE" title="arrow::DataType"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::DataType</span></code></a>, <a class="reference internal" href="api/scalar.html#_CPPv4N5arrow6ScalarE" title="arrow::Scalar"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::Scalar</span></code></a>, or |
| <a class="reference internal" href="api/array.html#_CPPv4N5arrow5ArrayE" title="arrow::Array"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::Array</span></code></a>, you may need to write logic that specializes based |
| on the particular Arrow type. In these cases, use the |
| <a class="reference external" href="https://en.wikipedia.org/wiki/Visitor_pattern">visitor pattern</a>. Arrow provides |
| the template functions:</p> |
| <ul class="simple"> |
| <li><p><a class="reference internal" href="api/utilities.html#_CPPv4I0DpEN5arrow15VisitTypeInlineE6StatusRK8DataTypeP7VISITORDpRR4ARGS" title="arrow::VisitTypeInline"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">arrow::VisitTypeInline()</span></code></a></p></li> |
| <li><p><a class="reference internal" href="api/utilities.html#_CPPv4I0DpEN5arrow17VisitScalarInlineE6StatusRK6ScalarP7VISITORDpRR4ARGS" title="arrow::VisitScalarInline"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">arrow::VisitScalarInline()</span></code></a></p></li> |
| <li><p><a class="reference internal" href="api/utilities.html#_CPPv4I0DpEN5arrow16VisitArrayInlineE6StatusRK5ArrayP7VISITORDpRR4ARGS" title="arrow::VisitArrayInline"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">arrow::VisitArrayInline()</span></code></a></p></li> |
| </ul> |
| <p>To use these, implement <code class="docutils literal notranslate"><span class="pre">Status</span> <span class="pre">Visit()</span></code> methods for each specialized type, then |
| pass the class instance to the inline visit function. To avoid repetitive code, |
| use type traits as documented in the previous section. As a brief example, |
| here is how one might sum across columns of arbitrary numeric types:</p> |
| <div class="highlight-cpp notranslate"><div class="highlight"><pre><span></span><span class="k">class</span><span class="w"> </span><span class="nc">TableSummation</span><span class="w"> </span><span class="p">{</span> |
| <span class="w"> </span><span class="kt">double</span><span class="w"> </span><span class="n">partial</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mf">0.0</span><span class="p">;</span> |
| <span class="w"> </span><span class="k">public</span><span class="o">:</span> |
| |
| <span class="w"> </span><span class="n">arrow</span><span class="o">::</span><span class="n">Result</span><span class="o"><</span><span class="kt">double</span><span class="o">></span><span class="w"> </span><span class="n">Compute</span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">shared_ptr</span><span class="o"><</span><span class="n">arrow</span><span class="o">::</span><span class="n">RecordBatch</span><span class="o">></span><span class="w"> </span><span class="n">batch</span><span class="p">)</span><span class="w"> </span><span class="p">{</span> |
| <span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">shared_ptr</span><span class="o"><</span><span class="n">arrow</span><span class="o">::</span><span class="n">Array</span><span class="o">></span><span class="w"> </span><span class="n">array</span><span class="w"> </span><span class="o">:</span><span class="w"> </span><span class="n">batch</span><span class="o">-></span><span class="n">columns</span><span class="p">())</span><span class="w"> </span><span class="p">{</span> |
| <span class="w"> </span><span class="n">ARROW_RETURN_NOT_OK</span><span class="p">(</span><span class="n">arrow</span><span class="o">::</span><span class="n">VisitArrayInline</span><span class="p">(</span><span class="o">*</span><span class="n">array</span><span class="p">,</span><span class="w"> </span><span class="k">this</span><span class="p">));</span> |
| <span class="w"> </span><span class="p">}</span> |
| <span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">partial</span><span class="p">;</span> |
| <span class="w"> </span><span class="p">}</span> |
| |
| <span class="w"> </span><span class="c1">// Default implementation</span> |
| <span class="w"> </span><span class="n">arrow</span><span class="o">::</span><span class="n">Status</span><span class="w"> </span><span class="n">Visit</span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="n">arrow</span><span class="o">::</span><span class="n">Array</span><span class="o">&</span><span class="w"> </span><span class="n">array</span><span class="p">)</span><span class="w"> </span><span class="p">{</span> |
| <span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">arrow</span><span class="o">::</span><span class="n">Status</span><span class="o">::</span><span class="n">NotImplemented</span><span class="p">(</span><span class="s">"Cannot compute sum for array of type "</span><span class="p">,</span> |
| <span class="w"> </span><span class="n">array</span><span class="p">.</span><span class="n">type</span><span class="p">()</span><span class="o">-></span><span class="n">ToString</span><span class="p">());</span> |
| <span class="w"> </span><span class="p">}</span> |
| |
| <span class="w"> </span><span class="k">template</span><span class="w"> </span><span class="o"><</span><span class="k">typename</span><span class="w"> </span><span class="nc">ArrayType</span><span class="p">,</span><span class="w"> </span><span class="k">typename</span><span class="w"> </span><span class="nc">T</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">typename</span><span class="w"> </span><span class="nc">ArrayType</span><span class="o">::</span><span class="n">TypeClass</span><span class="o">></span> |
| <span class="w"> </span><span class="n">arrow</span><span class="o">::</span><span class="n">enable_if_number</span><span class="o"><</span><span class="n">T</span><span class="p">,</span><span class="w"> </span><span class="n">arrow</span><span class="o">::</span><span class="n">Status</span><span class="o">></span><span class="w"> </span><span class="n">Visit</span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="n">ArrayType</span><span class="o">&</span><span class="w"> </span><span class="n">array</span><span class="p">)</span><span class="w"> </span><span class="p">{</span> |
| <span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">optional</span><span class="o"><</span><span class="k">typename</span><span class="w"> </span><span class="nc">T</span><span class="o">::</span><span class="n">c_type</span><span class="o">></span><span class="w"> </span><span class="n">value</span><span class="w"> </span><span class="o">:</span><span class="w"> </span><span class="n">array</span><span class="p">)</span><span class="w"> </span><span class="p">{</span> |
| <span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">value</span><span class="p">.</span><span class="n">has_value</span><span class="p">())</span><span class="w"> </span><span class="p">{</span> |
| <span class="w"> </span><span class="n">partial</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="k">static_cast</span><span class="o"><</span><span class="kt">double</span><span class="o">></span><span class="p">(</span><span class="n">value</span><span class="p">.</span><span class="n">value</span><span class="p">());</span> |
| <span class="w"> </span><span class="p">}</span> |
| <span class="w"> </span><span class="p">}</span> |
| <span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">arrow</span><span class="o">::</span><span class="n">Status</span><span class="o">::</span><span class="n">OK</span><span class="p">();</span> |
| <span class="w"> </span><span class="p">}</span> |
| <span class="p">};</span> |
| </pre></div> |
| </div> |
| <p>Arrow also provides abstract visitor classes (<a class="reference internal" href="api/datatype.html#_CPPv4N5arrow11TypeVisitorE" title="arrow::TypeVisitor"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::TypeVisitor</span></code></a>, |
| <a class="reference internal" href="api/scalar.html#_CPPv4N5arrow13ScalarVisitorE" title="arrow::ScalarVisitor"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::ScalarVisitor</span></code></a>, <a class="reference internal" href="api/array.html#_CPPv4N5arrow12ArrayVisitorE" title="arrow::ArrayVisitor"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::ArrayVisitor</span></code></a>) and an <code class="docutils literal notranslate"><span class="pre">Accept()</span></code> |
| method on each of the corresponding base types (e.g. <a class="reference internal" href="api/array.html#_CPPv4NK5arrow5Array6AcceptEP12ArrayVisitor" title="arrow::Array::Accept"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">arrow::Array::Accept()</span></code></a>). |
| However, these are not able to be implemented using template functions, so you |
| will typically prefer using the inline type visitors.</p> |
| </section> |
| </section> |
| |
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