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authorTom Lane2006-12-26 19:27:20 +0000
committerTom Lane2006-12-26 19:27:20 +0000
commit0fbfdf55f82cec91bd3cd1ba136e29f85f359a1a (patch)
tree0348841bb1789affefb2e029b27f3ec89de85a28 /doc/src
parent8eb0f23a961e4c6e08191d8bf6c2a805d0c71eff (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.
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