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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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17
contrib/btree_gist/btree_interval.c
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@ -1,5 +1,5 @@
/*
* $PostgreSQL: pgsql/contrib/btree_gist/btree_interval.c,v 1.12 2009/06/11 14:48:50 momjian Exp $
* $PostgreSQL: pgsql/contrib/btree_gist/btree_interval.c,v 1.13 2009/12/02 13:13:24 teodor Exp $
*/
#include "btree_gist.h"
#include "btree_utils_num.h"
@ -65,12 +65,15 @@ gbt_intvlt(const void *a, const void *b)
static int
gbt_intvkey_cmp(const void *a, const void *b)
{
return DatumGetInt32(
DirectFunctionCall2(interval_cmp,
IntervalPGetDatum(((Nsrt *) a)->t),
IntervalPGetDatum(((Nsrt *) b)->t)
)
);
intvKEY *ia = (intvKEY*)(((Nsrt *) a)->t);
intvKEY *ib = (intvKEY*)(((Nsrt *) b)->t);
int res;
res = DatumGetInt32(DirectFunctionCall2(interval_cmp, IntervalPGetDatum(&ia->lower), IntervalPGetDatum(&ib->lower)));
if (res == 0)
return DatumGetInt32(DirectFunctionCall2(interval_cmp, IntervalPGetDatum(&ia->upper), IntervalPGetDatum(&ib->upper)));
return res;
}