cloud-fan commented on code in PR #51002:
URL: https://github.com/apache/spark/pull/51002#discussion_r2106690428
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/ResolveDefaultColumnsUtil.scala:
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@@ -262,7 +262,12 @@ object ResolveDefaultColumns extends QueryErrorsBase
field: StructField,
statementType: String,
metadataKey: String = CURRENT_DEFAULT_COLUMN_METADATA_KEY): Expression =
{
- analyze(field.name, field.dataType, field.metadata.getString(metadataKey),
statementType)
+ field.metadata.getExpression[Expression](metadataKey) match {
+ case (sql, Some(expr)) =>
+ analyze(field.name, field.dataType, expr, sql, statementType)
Review Comment:
in this branch, `sql` will be only used for error message?
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