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(parent: 9bf760f) | 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)
commitfb9e56eea11a970e574260b82d6b05b4fe5a4308
tree7121fa2a8dc512d9679f4ac3a029f06618f203c5tree | snapshot
parent9bf760f7dec703aa34d9bd68aaa982943d24411ecommit | 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 | history
src/backend/optimizer/prep/prepjointree.c diff | blob | history
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