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(parent: 47f8f33) | patch
Improve has_nullable_targetlist() to allow strict functions of simple
authorTom Lane <tgl@sss.pgh.pa.us>
Sat, 10 Jan 2004 18:13:53 +0000 (18:13 +0000)
committerTom Lane <tgl@sss.pgh.pa.us>
Sat, 10 Jan 2004 18:13:53 +0000 (18:13 +0000)
commita43f4307f78bd80e88cdfb5f36ad59819c4b552e
tree165a62f6d559cee487cc876dd51784ab4601652btree | snapshot
parent47f8f3340950aeaf833338c75db2e64736bc3ecacommit | diff
Improve has_nullable_targetlist() to allow strict functions of simple
variables, not just simple variables.  This was foreseen in the original
coding of this routine, but not implemented until now.  Responds to
performance gripe from Laurent Perez.
src/backend/optimizer/prep/prepjointree.c diff | blob | history
src/backend/optimizer/util/clauses.c diff | blob | history
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