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(parent: 71538d7) | patch
Don't try to optimize EXISTS subqueries with empty FROM-lists: we need to
authorTom Lane <tgl@sss.pgh.pa.us>
Mon, 8 Dec 2008 00:16:09 +0000 (00:16 +0000)
committerTom Lane <tgl@sss.pgh.pa.us>
Mon, 8 Dec 2008 00:16:09 +0000 (00:16 +0000)
commit352f114a1842d7dbbc2e5f08445b89442224710d
treeca6ebb4fb1531fc47d531d2c2512da657bc28a86tree
parent71538d700720869568a80e920a28c07770c9cd79commit | diff
Don't try to optimize EXISTS subqueries with empty FROM-lists: we need to
form a join and that case doesn't have anything to join to.  (We could
probably make it work if we didn't pull up the subquery, but it seems to
me that the case isn't worth extra code.)  Per report from Greg Stark.
src/backend/optimizer/plan/subselect.c diff | blob | blame | history
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