diff options
Diffstat (limited to 'python/pyspark/sql/__init__.py')
| -rw-r--r-- | python/pyspark/sql/__init__.py | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/python/pyspark/sql/__init__.py b/python/pyspark/sql/__init__.py index b9ffd6945e..54a01631d8 100644 --- a/python/pyspark/sql/__init__.py +++ b/python/pyspark/sql/__init__.py @@ -19,17 +19,19 @@ public classes of Spark SQL: - L{SQLContext} - Main entry point for SQL functionality. + Main entry point for :class:`DataFrame` and 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. + A distributed collection of data grouped into named columns. - L{GroupedData} + Aggregation methods, returned by :func:`DataFrame.groupBy`. - L{Column} - Column is a DataFrame with a single column. + A column expression in a :class:`DataFrame`. - L{Row} - A Row of data returned by a Spark SQL query. + A row of data in a :class:`DataFrame`. - L{HiveContext} - Main entry point for accessing data stored in Apache Hive.. + Main entry point for accessing data stored in Apache Hive. + - L{functions} + List of built-in functions available for :class:`DataFrame`. """ from pyspark.sql.context import SQLContext, HiveContext |