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## What changes were proposed in this pull request? This adds a v2 implementation for CTAS queries * Update the SQL parser to parse CREATE queries using multi-part identifiers * Update `CheckAnalysis` to validate partitioning references with the CTAS query schema * Add `CreateTableAsSelect` v2 logical plan and `CreateTableAsSelectExec` v2 physical plan * Update create conversion from `CreateTableAsSelectStatement` to support the new v2 logical plan * Update `DataSourceV2Strategy` to convert v2 CTAS logical plan to the new physical plan * Add `findNestedField` to `StructType` to support reference validation ## How was this patch tested? We have been running these changes in production for several months. Also: * Add a test suite `CreateTablePartitioningValidationSuite` for new analysis checks * Add a test suite for v2 SQL, `DataSourceV2SQLSuite` * Update catalyst `DDLParserSuite` to use multi-part identifiers (`Seq[String]`) * Add test cases to `PlanResolutionSuite` for v2 CTAS: known catalog and v2 source implementation Closes #24570 from rdblue/SPARK-24923-add-v2-ctas. Authored-by: Ryan Blue <blue@apache.org> Signed-off-by: Wenchen Fan <wenchen@databricks.com> |
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