cloud-fan commented on a change in pull request #25536: [SPARK-28837][SQL]
CTAS/RTAS should use nullable schema
URL: https://github.com/apache/spark/pull/25536#discussion_r316461201
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/WriteToDataSourceV2Exec.scala
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@@ -81,11 +81,12 @@ case class CreateTableAsSelectExec(
}
Utils.tryWithSafeFinallyAndFailureCallbacks({
+ val schema = query.schema.asNullable
Review comment:
I think it's too much work if we need to transform the logical plan and add
an extra Project to change the nullability.
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