diff --git a/core/src/main/java/com/alibaba/druid/sql/repository/SchemaResolveVisitorFactory.java b/core/src/main/java/com/alibaba/druid/sql/repository/SchemaResolveVisitorFactory.java
index 4544d402bc..963673c448 100644
--- a/core/src/main/java/com/alibaba/druid/sql/repository/SchemaResolveVisitorFactory.java
+++ b/core/src/main/java/com/alibaba/druid/sql/repository/SchemaResolveVisitorFactory.java
@@ -1692,7 +1692,7 @@ static void extractColumns(SchemaResolveVisitor visitor,
 
             for (SQLSelectItem subSelectItem : subSelectList) {
                 String alias = subSelectItem.computeAlias();
-                columns.add(new SQLSelectItem(new SQLIdentifierExpr(alias)));
+                columns.add(new SQLSelectItem(new SQLPropertyExpr(ownerName, alias)));
             }
         } else if (from instanceof SQLUnionQueryTableSource) {
             SQLSelectQueryBlock firstQueryBlock = ((SQLUnionQueryTableSource) from).getUnion().getFirstQueryBlock();