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(parent: bb1f9e6) | patch
Suppress subquery pullup/pushdown when a subquery contains volatile
authorTom Lane <tgl@sss.pgh.pa.us>
Sat, 19 Aug 2006 02:48:53 +0000 (02:48 +0000)
committerTom Lane <tgl@sss.pgh.pa.us>
Sat, 19 Aug 2006 02:48:53 +0000 (02:48 +0000)
commitb05b5d4e5c262a9a79ca782bdd2dfa4e11d33b65
tree34223f005cacff665ed0286608b99ed54267dc68tree
parentbb1f9e6a367f54c680f6d96df0a770ff7de00abbcommit | diff
Suppress subquery pullup/pushdown when a subquery contains volatile
functions in its targetlist, to avoid introducing multiple evaluations
of volatile functions that textually appear only once.  This is a
slightly tighter version of Jaime Casanova's recent patch.
src/backend/optimizer/path/allpaths.c diff | blob | blame | history
src/backend/optimizer/prep/prepjointree.c diff | blob | blame | history
Bernd Helmle's repository