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[SPARK-18004][SQL] Make sure the date or timestamp related predicate can be...
[SPARK-18004][SQL] Make sure the date or timestamp related predicate can be pushed down to Oracle correctly ## What changes were proposed in this pull request? Move `compileValue` method in JDBCRDD to JdbcDialect, and override the `compileValue` method in OracleDialect to rewrite the Oracle-specific timestamp and date literals in where clause. ## How was this patch tested? An integration test has been added. Author: Rui Zha <zrdt713@gmail.com> Author: Zharui <zrdt713@gmail.com> Closes #18451 from SharpRay/extend-compileValue-to-dialects.
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- external/docker-integration-tests/src/test/scala/org/apache/spark/sql/jdbc/OracleIntegrationSuite.scala 45 additions, 0 deletions...la/org/apache/spark/sql/jdbc/OracleIntegrationSuite.scala
- sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCRDD.scala 10 additions, 25 deletions...apache/spark/sql/execution/datasources/jdbc/JDBCRDD.scala
- sql/core/src/main/scala/org/apache/spark/sql/jdbc/JdbcDialects.scala 26 additions, 1 deletion...c/main/scala/org/apache/spark/sql/jdbc/JdbcDialects.scala
- sql/core/src/main/scala/org/apache/spark/sql/jdbc/OracleDialect.scala 14 additions, 1 deletion.../main/scala/org/apache/spark/sql/jdbc/OracleDialect.scala
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