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diff --git a/python/pyspark/sql/__init__.py b/python/pyspark/sql/__init__.py
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+#
+# 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.
+#
+
+"""
+public classes of Spark SQL:
+
+    - L{SQLContext}
+      Main entry point for SQL functionality.
+    - L{DataFrame}
+      A Resilient Distributed Dataset (RDD) with Schema information for the data contained. In
+      addition to normal RDD operations, DataFrames also support SQL.
+    - L{GroupedData}
+    - L{Column}
+      Column is a DataFrame with a single column.
+    - L{Row}
+      A Row of data returned by a Spark SQL query.
+    - L{HiveContext}
+      Main entry point for accessing data stored in Apache Hive..
+"""
+
+from pyspark.sql.context import SQLContext, HiveContext
+from pyspark.sql.types import Row
+from pyspark.sql.dataframe import DataFrame, GroupedData, Column, Dsl, SchemaRDD
+
+__all__ = [
+    'SQLContext', 'HiveContext', 'DataFrame', 'GroupedData', 'Column', 'Row',
+    'Dsl',
+]