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.
Branch
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REL9_3_STABLE
Details
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http://git.postgresql.org/pg/commitdiff/d4f5cf5ce5106504316e5d890782091567a02d57
Modified Files
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src/backend/nodes/outfuncs.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)