Github user zellerh commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/1087#discussion_r115595056
--- Diff: core/sql/executor/ex_hash_grby.cpp ---
@@ -452,6 +463,8 @@ short ex_hash_grby_tcb::work() {
hasFreeTupp_ = TRUE;
};
};
+ if (bmoStats_)
+ bmoStats_->setBmoPhase(PHASE_END-HGB_READ_PHASE);
--- End diff --
This is executed for every row. Would it be cheaper to do this in the two
places where we set state_ to HASH_GRBY_READ_CHILD?
Another question not about correctness but more related to personal taste:
Why not simply assign values 1, 2, 3 etc. in the enum instead of subtracting
two enums here? Feel free to ignore if you like this solution better.
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