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[SPARK-15160][SQL] support data source table in InMemoryCatalog
## What changes were proposed in this pull request? This PR adds a new rule to convert `SimpleCatalogRelation` to data source table if its table property contains data source information. ## How was this patch tested? new test in SQLQuerySuite Author: Wenchen Fan <wenchen@databricks.com> Closes #12935 from cloud-fan/ds-table.
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- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/interface.scala 2 additions, 0 deletions...ala/org/apache/spark/sql/catalyst/catalog/interface.scala
- sql/core/src/main/scala/org/apache/spark/sql/execution/command/createDataSourceTables.scala 3 additions, 1 deletion.../spark/sql/execution/command/createDataSourceTables.scala
- sql/core/src/main/scala/org/apache/spark/sql/execution/command/ddl.scala 28 additions, 48 deletions...in/scala/org/apache/spark/sql/execution/command/ddl.scala
- sql/core/src/main/scala/org/apache/spark/sql/execution/command/tables.scala 16 additions, 11 deletions...scala/org/apache/spark/sql/execution/command/tables.scala
- sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSourceStrategy.scala 45 additions, 2 deletions.../spark/sql/execution/datasources/DataSourceStrategy.scala
- sql/core/src/main/scala/org/apache/spark/sql/internal/SessionState.scala 2 additions, 5 deletions...in/scala/org/apache/spark/sql/internal/SessionState.scala
- sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala 16 additions, 0 deletions...e/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
- sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala 2 additions, 0 deletions...cala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala
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