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[SPARK-5354][SQL] Cached tables should preserve partitioning and ord…
…ering. For cached tables, we can just maintain the partitioning and ordering from the source relation. Author: Nong Li <nongli@gmail.com> Closes #9404 from nongli/spark-5354.
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- sql/core/src/main/scala/org/apache/spark/sql/columnar/InMemoryColumnarTableScan.scala 7 additions, 0 deletions...apache/spark/sql/columnar/InMemoryColumnarTableScan.scala
- sql/core/src/main/scala/org/apache/spark/sql/execution/Exchange.scala 31 additions, 9 deletions.../main/scala/org/apache/spark/sql/execution/Exchange.scala
- sql/core/src/test/scala/org/apache/spark/sql/CachedTableSuite.scala 59 additions, 0 deletions...rc/test/scala/org/apache/spark/sql/CachedTableSuite.scala
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