Fix access to just-closed relcache entry.
It might be impossible for this to cause a problem in non-debug builds,
since there'd be no opportunity for the relcache entry to get recycled
before the fetch. It blows up nicely with -DRELCACHE_FORCE_RELEASE plus
valgrind, though.
Evidently introduced by careless refactoring in commit f0e44751d
.
Back-patch accordingly.
Discussion: https://postgr.es/m/27543.1528758304@sss.pgh.pa.us
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@ -11922,12 +11922,12 @@ ATExecDropInherit(Relation rel, RangeVar *parent, LOCKMODE lockmode)
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/* Off to RemoveInheritance() where most of the work happens */
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RemoveInheritance(rel, parent_rel);
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/* keep our lock on the parent relation until commit */
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heap_close(parent_rel, NoLock);
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ObjectAddressSet(address, RelationRelationId,
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RelationGetRelid(parent_rel));
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/* keep our lock on the parent relation until commit */
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heap_close(parent_rel, NoLock);
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return address;
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}
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