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Split out into a separate function the code in grouping_planner() that

author Tom Lane <tgl@sss.pgh.pa.us>

2005年4月10日 19:50:08 +0000 (19:50 +0000)

committer Tom Lane <tgl@sss.pgh.pa.us>

2005年4月10日 19:50:08 +0000 (19:50 +0000)

commit 6985592967b535bfc31a0c7adad329956e203060

tree 1920c9b6c209ceb2f6bdb448315b9d5b76190899 tree

parent 313de22c853bb00564c876ab1c1a3b64cb7eb0ee commit | diff

Split out into a separate function the code in grouping_planner() that
decides whether to use hashed grouping instead of sort-plus-uniq
grouping. The function needs an annoyingly large number of parameters,
but this still seems like a win for legibility, since it removes over
a hundred lines from grouping_planner (which is still too big :-().

src/backend/optimizer/plan/planner.c diff | blob | blame | history

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