imback82 commented on a change in pull request #30881: URL: https://github.com/apache/spark/pull/30881#discussion_r549906401
########## File path: sql/core/src/main/scala/org/apache/spark/sql/catalyst/analysis/ResolveSessionCatalog.scala ########## @@ -235,8 +236,17 @@ class ResolveSessionCatalog( case DescribeRelation(ResolvedV1TableOrViewIdentifier(ident), partitionSpec, isExtended) => DescribeTableCommand(ident.asTableIdentifier, partitionSpec, isExtended) - case DescribeColumn(ResolvedV1TableOrViewIdentifier(ident), colNameParts, isExtended) => - DescribeColumnCommand(ident.asTableIdentifier, colNameParts, isExtended) + case DescribeColumn(ResolvedV1TableOrViewIdentifier(ident), column, isExtended) => + column match { + case u: UnresolvedAttribute => + // For views, the column will not be resolved by `ResolveReferences` because + // `ResolvedView` stores only the identifier. + DescribeColumnCommand(ident.asTableIdentifier, u.nameParts, isExtended) + case a: Attribute => + DescribeColumnCommand(ident.asTableIdentifier, a.qualifier :+ a.name, isExtended) + case nested => + throw QueryCompilationErrors.commandNotSupportNestedColumnError("DESC TABLE COLUMN") Review comment: That seems to work pretty well. Thanks! ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org