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Protect against hypothetical memory leaks in RelationGetPartitionKey

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Also, fix a comment that commit 8a0596cb65 made obsolete.

Reported-by: Robert Haas
Discussion: http://postgr.es/m/CA+TgmoYbpuUUUp2GhYNwWm0qkah39spiU7uOiNXLz20ASfKYoA@mail.gmail.com
This commit is contained in:
Alvaro Herrera
2017-12-27 18:01:37 -03:00
parent b726eaa37a
commit be2343221f
2 changed files with 30 additions and 25 deletions
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src/include/access/hash.h
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@@ -338,7 +338,7 @@ typedef HashMetaPageData *HashMetaPage;
/*
* When a new operator class is declared, we require that the user supply
* us with an amproc procudure for hashing a key of the new type, returning
* us with an amproc procedure for hashing a key of the new type, returning
* a 32-bit hash value. We call this the "standard" hash procedure. We
* also allow an optional "extended" hash procedure which accepts a salt and
* returns a 64-bit hash value. This is highly recommended but, for reasons