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[SPARK-8104] [SQL] auto alias expressions in analyzer
Currently we auto alias expression in parser. However, during parser phase we don't have enough information to do the right alias. For example, Generator that has more than 1 kind of element need MultiAlias, ExtractValue don't need Alias if it's in middle of a ExtractValue chain. Author: Wenchen Fan <cloud0fan@outlook.com> Closes #6647 from cloud-fan/alias and squashes the following commits: 552eba4 [Wenchen Fan] fix python 5b5786d [Wenchen Fan] fix agg 73a90cb [Wenchen Fan] fix case-preserve of ExtractValue 4cfd23c [Wenchen Fan] fix order by d18f401 [Wenchen Fan] refine 9f07359 [Wenchen Fan] address comments 39c1aef [Wenchen Fan] small fix 33640ec [Wenchen Fan] auto alias expressions in analyzer
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- python/pyspark/sql/context.py 5 additions, 4 deletionspython/pyspark/sql/context.py
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/SqlParser.scala 2 additions, 9 deletions.../main/scala/org/apache/spark/sql/catalyst/SqlParser.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala 48 additions, 29 deletions...ala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/CheckAnalysis.scala 1 addition, 8 deletions...rg/apache/spark/sql/catalyst/analysis/CheckAnalysis.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/unresolved.scala 19 additions, 1 deletion...a/org/apache/spark/sql/catalyst/analysis/unresolved.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/ExtractValue.scala 22 additions, 14 deletions.../apache/spark/sql/catalyst/expressions/ExtractValue.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/planning/patterns.scala 1 addition, 5 deletions...ala/org/apache/spark/sql/catalyst/planning/patterns.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/LogicalPlan.scala 5 additions, 6 deletions...apache/spark/sql/catalyst/plans/logical/LogicalPlan.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicOperators.scala 17 additions, 3 deletions...che/spark/sql/catalyst/plans/logical/basicOperators.scala
- sql/core/src/main/scala/org/apache/spark/sql/Column.scala 0 additions, 1 deletionsql/core/src/main/scala/org/apache/spark/sql/Column.scala
- sql/core/src/main/scala/org/apache/spark/sql/DataFrame.scala 5 additions, 1 deletionsql/core/src/main/scala/org/apache/spark/sql/DataFrame.scala
- sql/core/src/main/scala/org/apache/spark/sql/GroupedData.scala 20 additions, 23 deletions...ore/src/main/scala/org/apache/spark/sql/GroupedData.scala
- sql/core/src/main/scala/org/apache/spark/sql/execution/pythonUdfs.scala 1 addition, 1 deletion...ain/scala/org/apache/spark/sql/execution/pythonUdfs.scala
- sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala 3 additions, 3 deletions...e/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
- sql/core/src/test/scala/org/apache/spark/sql/TestData.scala 0 additions, 1 deletionsql/core/src/test/scala/org/apache/spark/sql/TestData.scala
- sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveQl.scala 1 addition, 8 deletions...ive/src/main/scala/org/apache/spark/sql/hive/HiveQl.scala
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