Github user selvaganesang commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/1087#discussion_r115612077
--- Diff: core/sql/executor/ex_hash_grby.h ---
@@ -302,6 +312,7 @@ NA_EIDPROC
void resetClusterAndReadFromChild(); // Tmobile.
public:
+ static const char *HashGrbyPhaseStr[];
--- End diff --
That's correct. Static global variables are also thread safe and I am
hoping these phases are not changed forever and hence it shouldn't be error
prone.
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