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Remove reltarget_has_non_vars flag.
Commit b12fd41c added a "reltarget_has_non_vars" field to RelOptInfo, but failed to maintain it accurately. Since its only purpose was to skip calls to has_parallel_hazard() in the simple case where a rel's targetlist is all Vars, and that call is really pretty cheap in that case anyway, it seems like this is just a case of premature optimization. Let's drop the flag and do the calls unconditionally until it's proven that we need more smarts here.
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- src/backend/nodes/outfuncs.c 0 additions, 1 deletionsrc/backend/nodes/outfuncs.c
- src/backend/optimizer/path/allpaths.c 3 additions, 6 deletionssrc/backend/optimizer/path/allpaths.c
- src/backend/optimizer/util/placeholder.c 0 additions, 2 deletionssrc/backend/optimizer/util/placeholder.c
- src/backend/optimizer/util/relnode.c 1 addition, 4 deletionssrc/backend/optimizer/util/relnode.c
- src/include/nodes/relation.h 0 additions, 2 deletionssrc/include/nodes/relation.h
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