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Preventing intersection of ranges during page split. Changes are only

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optimization, so don't backpatch.
This commit is contained in:
Teodor Sigaev
2009-12-02 13:13:24 +00:00
parent 59ed94ad0c
commit aebc4e67ff
14 changed files with 145 additions and 83 deletions
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9
contrib/btree_gist/btree_utils_var.c
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@ -1,5 +1,5 @@
/*
* $PostgreSQL: pgsql/contrib/btree_gist/btree_utils_var.c,v 1.21 2009/06/11 14:48:50 momjian Exp $
* $PostgreSQL: pgsql/contrib/btree_gist/btree_utils_var.c,v 1.22 2009/12/02 13:13:24 teodor Exp $
*/
#include "btree_gist.h"
@ -444,8 +444,13 @@ gbt_vsrt_cmp(const void *a, const void *b, void *arg)
GBT_VARKEY_R ar = gbt_var_key_readable(((const Vsrt *) a)->t);
GBT_VARKEY_R br = gbt_var_key_readable(((const Vsrt *) b)->t);
const gbtree_vinfo *tinfo = (const gbtree_vinfo *) arg;
int res;
return (*tinfo->f_cmp) (ar.lower, br.lower);
res = (*tinfo->f_cmp) (ar.lower, br.lower);
if (res == 0)
return (*tinfo->f_cmp) (ar.upper, br.upper);
return res;
}
GIST_SPLITVEC *