soumyakanti3578 commented on code in PR #5294:
URL: https://github.com/apache/hive/pull/5294#discussion_r1678382641
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ql/src/java/org/apache/hadoop/hive/ql/parse/CalcitePlanner.java:
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@@ -5167,7 +5167,14 @@ private RelNode genGBHavingLogicalPlan(QB qb, RelNode
srcRel) throws SemanticExc
UnsupportedFeature.Having_clause_without_any_groupby);
}
ASTNode targetNode = (ASTNode) havingClause.getChild(0);
- validateNoHavingReferenceToAlias(qb, targetNode);
+ QBParseInfo qbPI = qb.getParseInfo();
+ Map<ASTNode, String> exprToAlias = qbPI.getAllExprToColumnAlias();
+ RowResolver inputRR = relToHiveRR.get(srcRel);
+ for (ASTNode astNode : exprToAlias.keySet()) {
+ if (inputRR.getExpression(astNode) != null) {
+ inputRR.put("", exprToAlias.get(astNode),
inputRR.getExpression(astNode));
Review Comment:
I see that `tableAlias` is an empty string here, and even in non-cbo path it
is an empty string, but not sure if there is a better way to deal with this. I
see several instances in the code base where we use empty string for this
method.
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