gengliangwang commented on code in PR #36415:
URL: https://github.com/apache/spark/pull/36415#discussion_r865667260
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/ResolveDefaultColumns.scala:
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@@ -131,11 +135,41 @@ case class ResolveDefaultColumns(
val expanded: Project =
addMissingDefaultValuesForInsertFromProject(
project, insertTableSchemaWithoutPartitionColumns)
- val replaced: LogicalPlan =
+ val replaced: Option[LogicalPlan] =
replaceExplicitDefaultValuesForInputOfInsertInto(
analyzer, insertTableSchemaWithoutPartitionColumns, expanded)
- .getOrElse(return i)
- regenerated.copy(query = replaced)
+ replaced.map { r =>
+ regenerated.copy(query = r)
+ }.getOrElse(i)
+ }
+
+ /**
+ * Resolves DEFAULT column references for an UPDATE command.
+ */
+ private def resolveDefaultColumnsForUpdate(u: UpdateTable): LogicalPlan = {
+ // Return a more descriptive error message if the user tries to use a
DEFAULT column reference
+ // inside an UPDATE command's WHERE clause; this is not allowed.
+ u.condition.map { c: Expression =>
Review Comment:
Actually, I can see this from IDE(Ultimate Edition):
<img width="708" alt="image"
src="https://user-images.githubusercontent.com/1097932/166887346-afc201c9-ac33-4f85-ac1c-2f8124f491d8.png";>
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![https://user-images.githubusercontent.com/1097932/166887346-afc201c9-ac33-4f85-ac1c-2f8124f491d8.png"](https://user-images.githubusercontent.com/1097932/166887346-afc201c9-ac33-4f85-ac1c-2f8124f491d8.png"){kind=link}