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(parent: 3205b30) | patch
Avoid core dump in _outPathInfo() for Path without a parent RelOptInfo.
authorTom Lane <tgl@sss.pgh.pa.us>
Sat, 18 Oct 2014 02:33:04 +0000 (22:33 -0400)
committerTom Lane <tgl@sss.pgh.pa.us>
Sat, 18 Oct 2014 02:33:04 +0000 (22:33 -0400)
commit16bbe5a3cc937096a4ad0dab050360eb87e0c813
tree695666b23a8115f1768be40370b3cd0243d5c112tree | snapshot
parent3205b30bb7a82c8228230a15308a56b302603521commit | diff
Avoid core dump in _outPathInfo() for Path without a parent RelOptInfo.

Nearly all Paths have parents, but a ResultPath representing an empty FROM
clause does not.  Avoid a core dump in such cases.  I believe this is only
a hazard for debugging usage, not for production, else we'd have heard
about it before.  Nonetheless, back-patch to 9.1 where the troublesome code
was introduced.  Noted while poking at bug #11703.
src/backend/nodes/outfuncs.c diff | blob | history
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