Github user anoopsharma00 commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/733#discussion_r81142262
--- Diff: core/sql/optimizer/RelCache.cpp ---
@@ -418,6 +418,10 @@ void GroupByAgg::generateCacheKey(CacheWA &cwa) const
groupExpr_.rebuildExprTree(ITM_ITEM_LIST);
if (grpExpr) {
cwa += " gBy:";
+
+ if (isRollup())
+ cwa += " roll:";
+
--- End diff --
yes, good point. Tried it and it does incorrectly caches them.
Will fix it.
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