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## What changes were proposed in this pull request? SPARK-26982 allows users to describe output of a query. However, it had a limitation of not supporting CTEs due to limitation of the grammar having a single rule to parse both select and inserts. After SPARK-27209, which splits select and insert parsing to two different rules, we can now support describing output of the CTEs easily. ## How was this patch tested? Existing tests were modified. Closes #24224 from dilipbiswal/describe_support_cte. Authored-by: Dilip Biswal <dbiswal@us.ibm.com> Signed-off-by: Wenchen Fan <wenchen@databricks.com> |
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