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[SPARK-6548] Adding stddev to DataFrame functions
Adding STDDEV support for DataFrame using 1-pass online /parallel algorithm to compute variance. Please review the code change. Author: JihongMa <linlin200605@gmail.com> Author: Jihong MA <linlin200605@gmail.com> Author: Jihong MA <jihongma@jihongs-mbp.usca.ibm.com> Author: Jihong MA <jihongma@Jihongs-MacBook-Pro.local> Closes #6297 from JihongMA/SPARK-SQL.
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- R/pkg/inst/tests/test_sparkSQL.R 1 addition, 1 deletionR/pkg/inst/tests/test_sparkSQL.R
- python/pyspark/sql/dataframe.py 18 additions, 18 deletionspython/pyspark/sql/dataframe.py
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/FunctionRegistry.scala 3 additions, 0 deletions...apache/spark/sql/catalyst/analysis/FunctionRegistry.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala 3 additions, 0 deletions...apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/dsl/package.scala 3 additions, 0 deletions...ain/scala/org/apache/spark/sql/catalyst/dsl/package.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/aggregate/functions.scala 143 additions, 0 deletions.../spark/sql/catalyst/expressions/aggregate/functions.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/aggregate/utils.scala 18 additions, 0 deletions...ache/spark/sql/catalyst/expressions/aggregate/utils.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/aggregates.scala 245 additions, 0 deletions...rg/apache/spark/sql/catalyst/expressions/aggregates.scala
- sql/core/src/main/scala/org/apache/spark/sql/DataFrame.scala 1 addition, 5 deletionssql/core/src/main/scala/org/apache/spark/sql/DataFrame.scala
- sql/core/src/main/scala/org/apache/spark/sql/GroupedData.scala 39 additions, 0 deletions...ore/src/main/scala/org/apache/spark/sql/GroupedData.scala
- sql/core/src/main/scala/org/apache/spark/sql/functions.scala 27 additions, 0 deletionssql/core/src/main/scala/org/apache/spark/sql/functions.scala
- sql/core/src/test/java/test/org/apache/spark/sql/JavaDataFrameSuite.java 1 addition, 0 deletions...st/java/test/org/apache/spark/sql/JavaDataFrameSuite.java
- sql/core/src/test/scala/org/apache/spark/sql/DataFrameAggregateSuite.scala 33 additions, 0 deletions.../scala/org/apache/spark/sql/DataFrameAggregateSuite.scala
- sql/core/src/test/scala/org/apache/spark/sql/DataFrameSuite.scala 1 addition, 1 deletion.../src/test/scala/org/apache/spark/sql/DataFrameSuite.scala
- sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala 38 additions, 4 deletions...e/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
- sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/AggregationQuerySuite.scala 0 additions, 35 deletions...ache/spark/sql/hive/execution/AggregationQuerySuite.scala
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