.. Licensed to the Apache Software Foundation (ASF) under one .. or more contributor license agreements. See the NOTICE file .. distributed with this work for additional information .. regarding copyright ownership. The ASF licenses this file .. to you under the Apache License, Version 2.0 (the .. "License"); you may not use this file except in compliance .. with the License. You may obtain a copy of the License at .. http://www.apache.org/licenses/LICENSE-2.0 .. Unless required by applicable law or agreed to in writing, .. software distributed under the License is distributed on an .. "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY .. KIND, either express or implied. See the License for the .. specific language governing permissions and limitations .. under the License. .. _api.types: .. currentmodule:: pyarrow Data Types and Schemas ====================== Factory Functions ----------------- These should be used to create Arrow data types and schemas. .. autosummary:: :toctree: ../generated/ null bool_ int8 int16 int32 int64 uint8 uint16 uint32 uint64 float16 float32 float64 time32 time64 timestamp date32 date64 binary string utf8 large_binary large_string large_utf8 decimal128 list_ large_list map_ struct dictionary field schema from_numpy_dtype .. _api.type_classes: .. currentmodule:: pyarrow Type Classes ------------ Do not instantiate these classes directly. Instead, call one of the factory functions above. .. autosummary:: :toctree: ../generated/ DataType DictionaryType ListType MapType StructType UnionType TimestampType Time32Type Time64Type FixedSizeBinaryType Decimal128Type Field Schema Specific classes and functions for extension types. .. autosummary:: :toctree: ../generated/ ExtensionType PyExtensionType register_extension_type unregister_extension_type .. _api.types.checking: .. currentmodule:: pyarrow.types Type Checking ------------- These functions are predicates to check whether a :class:`DataType` instance represents a given data type (such as ``int32``) or general category (such as "is a signed integer"). .. autosummary:: :toctree: ../generated/ is_boolean is_integer is_signed_integer is_unsigned_integer is_int8 is_int16 is_int32 is_int64 is_uint8 is_uint16 is_uint32 is_uint64 is_floating is_float16 is_float32 is_float64 is_decimal is_list is_large_list is_struct is_union is_nested is_temporal is_timestamp is_date is_date32 is_date64 is_time is_time32 is_time64 is_null is_binary is_unicode is_string is_large_binary is_large_unicode is_large_string is_fixed_size_binary is_map is_dictionary