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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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16
contrib/btree_gist/btree_time.c
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@ -1,5 +1,5 @@
/*
* $PostgreSQL: pgsql/contrib/btree_gist/btree_time.c,v 1.16 2009/06/11 14:48:50 momjian Exp $
* $PostgreSQL: pgsql/contrib/btree_gist/btree_time.c,v 1.17 2009/12/02 13:13:24 teodor Exp $
*/
#include "btree_gist.h"
#include "btree_utils_num.h"
@ -101,11 +101,15 @@ gbt_timelt(const void *a, const void *b)
static int
gbt_timekey_cmp(const void *a, const void *b)
{
if (gbt_timegt((void *) &(((Nsrt *) a)->t[0]), (void *) &(((Nsrt *) b)->t[0])))
return 1;
else if (gbt_timelt((void *) &(((Nsrt *) a)->t[0]), (void *) &(((Nsrt *) b)->t[0])))
return -1;
return 0;
timeKEY *ia = (timeKEY*)(((Nsrt *) a)->t);
timeKEY *ib = (timeKEY*)(((Nsrt *) b)->t);
int res;
res = DatumGetInt32(DirectFunctionCall2(time_cmp, TimeADTGetDatumFast(ia->lower), TimeADTGetDatumFast(ib->lower)));
if (res == 0)
return DatumGetInt32(DirectFunctionCall2(time_cmp, TimeADTGetDatumFast(ia->upper), TimeADTGetDatumFast(ib->upper)));
return res;
}