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1. BTREE_VERSION_1: using bti_itup->t_tid as unique identifier for a given

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index tuple (logical position within A LEVEL). bti_oid & bti_dummy
taken off from BTItemData.
2. Fix for multi-column indices (nbtsearch.c):
   _bt_binsrch() - for searches on internal pages having keysize <
	number of attrs we point at the last item < the scankey, not at the
	first item = the scankey;
   _bt_moveright() - if keysize < number of attrs we compare scankey with
	_last_ item on current page to decide should we move right or
	not.
This commit is contained in:
Vadim B. Mikheev
1997-04-16 01:48:29 +00:00
parent afd9295786
commit 329fb11262
5 changed files with 170 additions and 102 deletions
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4
src/backend/access/nbtree/nbtutils.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtutils.c,v 1.9 1997/03/24 08:48:16 vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtutils.c,v 1.10 1997/04/16 01:48:29 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -297,7 +297,9 @@ _bt_formitem(IndexTuple itup)
btitem = (BTItem) palloc(nbytes_btitem);
memmove((char *) &(btitem->bti_itup), (char *) itup, tuplen);
#ifndef BTREE_VERSION_1
btitem->bti_oid = newoid();
#endif
return (btitem);
}