miklosgergely commented on a change in pull request #544: HIVE-16924 Support
distinct in presence of Group By
URL: https://github.com/apache/hive/pull/544#discussion_r259823592
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File path: ql/src/java/org/apache/hadoop/hive/ql/parse/CalcitePlanner.java
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@@ -3730,7 +3697,9 @@ private RelNode genGBLogicalPlan(QB qb, RelNode srcRel)
throws SemanticException
ASTNode node = (ASTNode) selExprList.getChild(0).getChild(0);
if (node.getToken().getType() == HiveParser.TOK_ALLCOLREF) {
// As we said before, here we use genSelectLogicalPlan to rewrite
AllColRef
- srcRel = genSelectLogicalPlan(qb, srcRel, srcRel, null, null,
true).getKey();
+ if (!(isSelectDistinct(selExprList) && isGroupBy(selExprList))) {
Review comment:
you are right, fixed.
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