Github user zellerh commented on a diff in the pull request: https://github.com/apache/incubator-trafodion/pull/795#discussion_r86918511 --- Diff: core/sql/optimizer/RelGrby.h --- @@ -152,6 +154,9 @@ class GroupByAgg : public RelExpr inline void setGroupExpr(ValueIdSet &expr) { groupExpr_ = expr;} inline void addGroupExpr(ValueIdSet &expr) { groupExpr_ += expr;} + inline ValueIdList & extraOrderExpr() { return extraOrderExpr_; } --- End diff -- No problem, only if it would have been easy... A better solution, if possible, could be a setExtraOrderExpr(const ValueIdList &newExtraOrder) method. But again, just wanted to share a thought.
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