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Remove unused macro

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Use was removed in 6d46f4783e but
definition was forgotten.
This commit is contained in:
Peter Eisentraut
2019-02-04 21:29:31 +01:00
parent 54f5f887fd
commit f602cf49c2
1 changed files with 0 additions and 10 deletions
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10
src/backend/access/hash/hashpage.c
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@ -48,16 +48,6 @@ static void _hash_splitbucket(Relation rel, Buffer metabuf,
static void log_split_page(Relation rel, Buffer buf); static void log_split_page(Relation rel, Buffer buf);
/*
* We use high-concurrency locking on hash indexes (see README for an overview
* of the locking rules). However, we can skip taking lmgr locks when the
* index is local to the current backend (ie, either temp or new in the
* current transaction). No one else can see it, so there's no reason to
* take locks. We still take buffer-level locks, but not lmgr locks.
*/
#define USELOCKING(rel) (!RELATION_IS_LOCAL(rel))
/* /*
* _hash_getbuf() -- Get a buffer by block number for read or write. * _hash_getbuf() -- Get a buffer by block number for read or write.
* *