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(parent: b328083) | patch
Repair bug #2839: the various ExecReScan functions need to reset
authorTom Lane <tgl@sss.pgh.pa.us>
Tue, 26 Dec 2006 19:27:10 +0000 (19:27 +0000)
committerTom Lane <tgl@sss.pgh.pa.us>
Tue, 26 Dec 2006 19:27:10 +0000 (19:27 +0000)
commitcbca48aa240190f3eacfcddaee09b5f16ebf46bf
tree892292f217dfcd9336f238eb675bbab5568cf46dtree | snapshot
parentb328083249dbc6269a2bea5edae4ee247a830310commit | diff
Repair bug #2839: the various ExecReScan functions need to reset
ps_TupFromTlist in plan nodes that make use of it.  This was being done
correctly in join nodes and Result nodes but not in any relation-scan nodes.
Bug would lead to bogus results if a set-returning function appeared in the
targetlist of a subquery that could be rescanned after partial execution,
for example a subquery within EXISTS().  Bug has been around forever :-(
... surprising it wasn't reported before.
src/backend/executor/nodeFunctionscan.c diff | blob | history
src/backend/executor/nodeIndexscan.c diff | blob | history
src/backend/executor/nodeResult.c diff | blob | history
src/backend/executor/nodeSeqscan.c diff | blob | history
src/backend/executor/nodeSubqueryscan.c diff | blob | history
src/backend/executor/nodeTidscan.c diff | blob | history
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