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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2006-12-26 19:27:04 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2006-12-26 19:27:04 +0000 |
| commit | f1d8828e3ce8040e16794fb4d44255d8aef7df34 (patch) | |
| tree | 864b2b2da2da27703f26e006a13ab04b214ced9f /doc/src | |
| parent | 3dd05aba09b904147d3e7323c7412c2e2a754c4a (diff) | |
| download | postgresql-f1d8828e3ce8040e16794fb4d44255d8aef7df34.tar.gz postgresql-f1d8828e3ce8040e16794fb4d44255d8aef7df34.zip | |
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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