zabetak commented on code in PR #4478:
URL: https://github.com/apache/hive/pull/4478#discussion_r1268196244
##########
ql/src/java/org/apache/hadoop/hive/ql/parse/CalcitePlanner.java:
##########
@@ -2631,6 +2631,21 @@ private RelNode genJoinRelNode(RelNode leftRel, String
leftTableAlias, RelNode r
unparseTranslator.addIdentifierTranslation((ASTNode) child);
}
namedColumns.add(columnName);
+
+ // if leftTableAlias is null, set it to the last tableAlias that
contains the
+ // column columnName
+ if (leftTableAlias == null) {
Review Comment:
Checking the code I observed the same as you so resolving this comment.
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