..  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.


============
Core Classes
============
.. currentmodule:: pyspark.sql

.. autosummary::
    :toctree: api/

    SparkSession
    Catalog
    DataFrame
    Column
    Observation
    Row
    GroupedData
    PandasCogroupedOps
    DataFrameNaFunctions
    DataFrameStatFunctions
    Window
    DataFrameReader
    DataFrameWriter
    DataFrameWriterV2
    UDFRegistration
    UDTFRegistration
    udf.UserDefinedFunction
    udtf.UserDefinedTableFunction
    datasource.DataSource
    datasource.DataSourceReader
    datasource.DataSourceStreamReader
    datasource.DataSourceWriter
    datasource.DataSourceRegistration
    datasource.InputPartition
    datasource.WriterCommitMessage
    tvf.TableValuedFunction
    VariantVal
    table_arg.TableArg