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[SPARK-20841][SQL] Support table column aliases in FROM clause
## What changes were proposed in this pull request? This pr added parsing rules to support table column aliases in FROM clause. ## How was this patch tested? Added tests in `PlanParserSuite`, `SQLQueryTestSuite`, and `PlanParserSuite`. Author: Takeshi Yamamuro <yamamuro@apache.org> Closes #18079 from maropu/SPARK-20841.
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- sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4 2 additions, 2 deletions...in/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala 19 additions, 1 deletion...ala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/ResolveTableValuedFunctions.scala 3 additions, 2 deletions...k/sql/catalyst/analysis/ResolveTableValuedFunctions.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/parser/AstBuilder.scala 10 additions, 6 deletions...ala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
- sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/analysis/AnalysisSuite.scala 18 additions, 1 deletion...rg/apache/spark/sql/catalyst/analysis/AnalysisSuite.scala
- sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/analysis/AnalysisTest.scala 1 addition, 0 deletions...org/apache/spark/sql/catalyst/analysis/AnalysisTest.scala
- sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/parser/PlanParserSuite.scala 9 additions, 2 deletions...rg/apache/spark/sql/catalyst/parser/PlanParserSuite.scala
- sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/parser/TableIdentifierParserSuite.scala 1 addition, 1 deletion...park/sql/catalyst/parser/TableIdentifierParserSuite.scala
- sql/core/src/test/resources/sql-tests/inputs/table-aliases.sql 17 additions, 0 deletions...ore/src/test/resources/sql-tests/inputs/table-aliases.sql
- sql/core/src/test/resources/sql-tests/results/table-aliases.sql.out 63 additions, 0 deletions...rc/test/resources/sql-tests/results/table-aliases.sql.out
- sql/core/src/test/scala/org/apache/spark/sql/execution/benchmark/TPCDSQueryBenchmark.scala 2 additions, 2 deletions...e/spark/sql/execution/benchmark/TPCDSQueryBenchmark.scala
- sql/hive/src/main/scala/org/apache/spark/sql/hive/test/TestHive.scala 1 addition, 1 deletion.../main/scala/org/apache/spark/sql/hive/test/TestHive.scala
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