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[SPARK-10601][SQL] Support `MINUS` set operator
## What changes were proposed in this pull request? This PR adds `MINUS` set operator which is equivalent `EXCEPT DISTINCT`. This will slightly improve the compatibility with Oracle. ## How was this patch tested? Pass the Jenkins with newly added testcases. Author: Dongjoon Hyun <dongjoon@apache.org> Closes #14570 from dongjoon-hyun/SPARK-10601.
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- sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4 3 additions, 2 deletions...in/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala 5 additions, 0 deletions...ala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
- sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/parser/PlanParserSuite.scala 3 additions, 0 deletions...rg/apache/spark/sql/catalyst/parser/PlanParserSuite.scala
- sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala 10 additions, 0 deletions...e/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
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