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[SPARK-12914] [SQL] generate aggregation with grouping keys
This PR add support for grouping keys for generated TungstenAggregate. Spilling and performance improvements for BytesToBytesMap will be done by followup PR. Author: Davies Liu <davies@databricks.com> Closes #10855 from davies/gen_keys.
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- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala 47 additions, 0 deletions...park/sql/catalyst/expressions/codegen/CodeGenerator.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/GenerateMutableProjection.scala 2 additions, 25 deletions...alyst/expressions/codegen/GenerateMutableProjection.scala
- sql/core/src/main/scala/org/apache/spark/sql/execution/BufferedRowIterator.java 4 additions, 2 deletions...a/org/apache/spark/sql/execution/BufferedRowIterator.java
- sql/core/src/main/scala/org/apache/spark/sql/execution/aggregate/TungstenAggregate.scala 224 additions, 14 deletions...che/spark/sql/execution/aggregate/TungstenAggregate.scala
- sql/core/src/test/scala/org/apache/spark/sql/execution/BenchmarkWholeStageCodegen.scala 107 additions, 12 deletions...ache/spark/sql/execution/BenchmarkWholeStageCodegen.scala
- sql/core/src/test/scala/org/apache/spark/sql/execution/WholeStageCodegenSuite.scala 9 additions, 0 deletions...g/apache/spark/sql/execution/WholeStageCodegenSuite.scala
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