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<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.arange.html">pyarrow.arange</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.nulls.html">pyarrow.nulls</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.repeat.html">pyarrow.repeat</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.infer_type.html">pyarrow.infer_type</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.Decimal32Scalar.html">pyarrow.Decimal32Scalar</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../python/generated/pyarrow.Decimal64Scalar.html">pyarrow.Decimal64Scalar</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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<section id="using-acero-with-substrait">
<span id="acero-substrait"></span><h1>Using Acero with Substrait<a class="headerlink" href="#using-acero-with-substrait" title="Link to this heading">#</a></h1>
<p>In order to use Acero you will need to create an execution plan. This is the
model that describes the computation you want to apply to your data. Acero has
its own internal representation for execution plans but most users should not
interact with this directly as it will couple their code to Acero.</p>
<p><a class="reference external" href="https://substrait.io">Substrait</a> is an open standard for execution plans.
Acero implements the Substrait “consumer” interface. This means that Acero can
accept a Substrait plan and fulfill the plan, loading the requested data and
applying the desired computation. By using Substrait plans users can easily
switch out to a different execution engine at a later time.</p>
<section id="substrait-conformance">
<h2>Substrait Conformance<a class="headerlink" href="#substrait-conformance" title="Link to this heading">#</a></h2>
<p>Substrait defines a broad set of operators and functions for many different
situations and it is unlikely that Acero will ever completely satisfy all
defined Substrait operators and functions. To help understand what features
are available the following sections define which features have been currently
implemented in Acero and any caveats that apply.</p>
<section id="plans">
<h3>Plans<a class="headerlink" href="#plans" title="Link to this heading">#</a></h3>
<ul class="simple">
<li><p>A plan should have a single top-level relation.</p></li>
<li><p>The consumer is currently based on version 0.20.0 of Substrait.
Any features added that are newer will not be supported.</p></li>
<li><p>Due to a breaking change in 0.20.0 any Substrait plan older than 0.20.0
will be rejected.</p></li>
</ul>
</section>
<section id="extensions">
<h3>Extensions<a class="headerlink" href="#extensions" title="Link to this heading">#</a></h3>
<ul class="simple">
<li><p>If a plan contains any extension type variations it will be rejected.</p></li>
<li><p>Advanced extensions can be provided by supplying a custom implementation of
<code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::engine::ExtensionProvider</span></code>.</p></li>
</ul>
</section>
<section id="relations-in-general">
<h3>Relations (in general)<a class="headerlink" href="#relations-in-general" title="Link to this heading">#</a></h3>
<ul class="simple">
<li><p>Any relation not explicitly listed below will not be supported
and will cause the plan to be rejected.</p></li>
</ul>
</section>
<section id="read-relations">
<h3>Read Relations<a class="headerlink" href="#read-relations" title="Link to this heading">#</a></h3>
<ul class="simple">
<li><p>The <code class="docutils literal notranslate"><span class="pre">projection</span></code> property is not supported and plans containing this
property will be rejected.</p></li>
<li><p>The <code class="docutils literal notranslate"><span class="pre">VirtualTable</span></code> and <code class="docutils literal notranslate"><span class="pre">ExtensionTable</span></code> read types are not supported.
Plans containing these types will be rejected.</p></li>
<li><p>Only the parquet and arrow file formats are currently supported.</p></li>
<li><p>All URIs must use the <code class="docutils literal notranslate"><span class="pre">file</span></code> scheme</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">partition_index</span></code>, <code class="docutils literal notranslate"><span class="pre">start</span></code>, and <code class="docutils literal notranslate"><span class="pre">length</span></code> are not supported. Plans containing
non-default values for these properties will be rejected.</p></li>
<li><p>The Substrait spec requires that a <code class="docutils literal notranslate"><span class="pre">filter</span></code> be completely satisfied by a read
relation. However, Acero only uses a read filter for pushdown projection and
it may not be fully satisfied. Users should generally attach an additional
filter relation with the same filter expression after the read relation.</p></li>
</ul>
</section>
<section id="filter-relations">
<h3>Filter Relations<a class="headerlink" href="#filter-relations" title="Link to this heading">#</a></h3>
<ul class="simple">
<li><p>No known caveats</p></li>
</ul>
</section>
<section id="project-relations">
<h3>Project Relations<a class="headerlink" href="#project-relations" title="Link to this heading">#</a></h3>
<ul class="simple">
<li><p>No known caveats</p></li>
</ul>
</section>
<section id="join-relations">
<h3>Join Relations<a class="headerlink" href="#join-relations" title="Link to this heading">#</a></h3>
<ul class="simple">
<li><p>The join type <code class="docutils literal notranslate"><span class="pre">JOIN_TYPE_SINGLE</span></code> is not supported and plans containing this
will be rejected.</p></li>
<li><p>The join expression must be a call to either the <code class="docutils literal notranslate"><span class="pre">equal</span></code> or <code class="docutils literal notranslate"><span class="pre">is_not_distinct_from</span></code>
functions. Both arguments to the call must be direct references. Only a single
join key is supported.</p></li>
<li><p>The <code class="docutils literal notranslate"><span class="pre">post_join_filter</span></code> property is not supported and will be ignored.</p></li>
</ul>
</section>
<section id="aggregate-relations">
<h3>Aggregate Relations<a class="headerlink" href="#aggregate-relations" title="Link to this heading">#</a></h3>
<ul class="simple">
<li><p>At most one grouping set is supported.</p></li>
<li><p>Each grouping expression must be a direct reference.</p></li>
<li><p>Each measure’s arguments must be direct references.</p></li>
<li><p>A measure may not have a filter</p></li>
<li><p>A measure may not have sorts</p></li>
<li><p>A measure’s invocation must be AGGREGATION_INVOCATION_ALL or
AGGREGATION_INVOCATION_UNSPECIFIED</p></li>
<li><p>A measure’s phase must be AGGREGATION_PHASE_INITIAL_TO_RESULT</p></li>
</ul>
</section>
<section id="expressions-general">
<h3>Expressions (general)<a class="headerlink" href="#expressions-general" title="Link to this heading">#</a></h3>
<ul class="simple">
<li><p>Various places in the Substrait spec allow for expressions to be used outside
of a filter or project relation. For example, a join expression or an aggregate
grouping set. Acero typically expects these expressions to be direct references.
Planners should extract the implicit projection into a formal project relation
before delivering the plan to Acero.</p></li>
</ul>
</section>
<section id="literals">
<h3>Literals<a class="headerlink" href="#literals" title="Link to this heading">#</a></h3>
<ul class="simple">
<li><p>A literal with non-default nullability will cause a plan to be rejected.</p></li>
</ul>
</section>
<section id="types">
<h3>Types<a class="headerlink" href="#types" title="Link to this heading">#</a></h3>
<ul class="simple">
<li><p>Acero does not have full support for non-nullable types and may allow input
to have nulls without rejecting it.</p></li>
<li><p>The table below shows the mapping between Arrow types and Substrait type
classes that are currently supported</p></li>
</ul>
<div class="pst-scrollable-table-container"><table class="table" id="id1">
<caption><span class="caption-text">Substrait / Arrow Type Mapping</span><a class="headerlink" href="#id1" title="Link to this table">#</a></caption>
<colgroup>
<col style="width: 25.0%" />
<col style="width: 25.0%" />
<col style="width: 50.0%" />
</colgroup>
<thead>
<tr class="row-odd"><th class="head"><p>Substrait Type</p></th>
<th class="head"><p>Arrow Type</p></th>
<th class="head"><p>Caveat</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p>boolean</p></td>
<td><p>boolean</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p>i8</p></td>
<td><p>int8</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p>i16</p></td>
<td><p>int16</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p>i32</p></td>
<td><p>int32</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p>i64</p></td>
<td><p>int64</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p>fp32</p></td>
<td><p>float32</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p>fp64</p></td>
<td><p>float64</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p>string</p></td>
<td><p>string</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p>binary</p></td>
<td><p>binary</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p>timestamp</p></td>
<td><p>timestamp&lt;MICRO,””&gt;</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p>timestamp_tz</p></td>
<td><p>timestamp&lt;MICRO,”UTC”&gt;</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p>date</p></td>
<td><p>date32&lt;DAY&gt;</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p>time</p></td>
<td><p>time64&lt;MICRO&gt;</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p>interval_year</p></td>
<td></td>
<td><p>Not currently supported</p></td>
</tr>
<tr class="row-even"><td><p>interval_day</p></td>
<td></td>
<td><p>Not currently supported</p></td>
</tr>
<tr class="row-odd"><td><p>uuid</p></td>
<td></td>
<td><p>Not currently supported</p></td>
</tr>
<tr class="row-even"><td><p>FIXEDCHAR&lt;L&gt;</p></td>
<td></td>
<td><p>Not currently supported</p></td>
</tr>
<tr class="row-odd"><td><p>VARCHAR&lt;L&gt;</p></td>
<td></td>
<td><p>Not currently supported</p></td>
</tr>
<tr class="row-even"><td><p>FIXEDBINARY&lt;L&gt;</p></td>
<td><p>fixed_size_binary&lt;L&gt;</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p>DECIMAL&lt;P,S&gt;</p></td>
<td><p>decimal128&lt;P,S&gt;</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p>STRUCT&lt;T1…TN&gt;</p></td>
<td><p>struct&lt;T1…TN&gt;</p></td>
<td><p>Arrow struct fields will have no name (empty string)</p></td>
</tr>
<tr class="row-odd"><td><p>NSTRUCT&lt;N:T1…N:Tn&gt;</p></td>
<td></td>
<td><p>Not currently supported</p></td>
</tr>
<tr class="row-even"><td><p>LIST&lt;T&gt;</p></td>
<td><p>list&lt;T&gt;</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p>MAP&lt;K,V&gt;</p></td>
<td><p>map&lt;K,V&gt;</p></td>
<td><p>K must not be nullable</p></td>
</tr>
</tbody>
</table>
</div>
</section>
<section id="functions">
<h3>Functions<a class="headerlink" href="#functions" title="Link to this heading">#</a></h3>
<ul class="simple">
<li><p>The following functions have caveats or are not supported at all. Note that
this is not a comprehensive list. Functions are being added to Substrait at
a rapid pace and new functions may be missing.</p>
<ul>
<li><p>Acero does not support the SATURATE option for overflow</p></li>
<li><p>Acero does not support kernels that take more than two arguments
for the functions <code class="docutils literal notranslate"><span class="pre">and</span></code>, <code class="docutils literal notranslate"><span class="pre">or</span></code>, <code class="docutils literal notranslate"><span class="pre">xor</span></code></p></li>
</ul>
</li>
<li><p>Substrait has not yet clearly identified the form that URIs should take for
standard functions. Acero will look for the URIs to the <code class="docutils literal notranslate"><span class="pre">main</span></code> GitHub branch.
In other words, for the file <code class="docutils literal notranslate"><span class="pre">functions_arithmetic.yaml</span></code> Acero expects
<code class="docutils literal notranslate"><span class="pre">https://github.com/substrait-io/substrait/blob/main/extensions/functions_arithmetic.yaml</span></code></p>
<ul>
<li><p>Acero has functions that are not yet a part of Substrait (or may never be added
as official functions). To invoke these functions you can use the special URI
<code class="docutils literal notranslate"><span class="pre">urn:arrow:substrait_simple_extension_function</span></code>. If this URI is encountered
then Acero will match only on function name and will ignore any function options.</p></li>
<li><p>Alternatively, the URI can be left completely empty and Acero will match
based only on function name. This fallback mechanism is non-standard and should
be considered deprecated in favor of the special URI above.</p></li>
</ul>
</li>
</ul>
</section>
</section>
</section>
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