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Restructure indexscan API (index_beginscan, index_getnext) per

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yesterday's proposal to pghackers.  Also remove unnecessary parameters
to heap_beginscan, heap_rescan.  I modified pg_proc.h to reflect the
new numbers of parameters for the AM interface routines, but did not
force an initdb because nothing actually looks at those fields.
This commit is contained in:
Tom Lane
2002-05-20 23:51:44 +00:00
parent c961474c96
commit 44fbe20d62
59 changed files with 834 additions and 1283 deletions
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20
src/backend/access/gist/gist.c
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@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/gist/gist.c,v 1.91 2002/03/06 06:09:15 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/gist/gist.c,v 1.92 2002/05/20 23:51:40 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1590,7 +1590,6 @@ gistbulkdelete(PG_FUNCTION_ARGS)
BlockNumber num_pages;
double tuples_removed;
double num_index_tuples;
RetrieveIndexResult res;
IndexScanDesc iscan;
tuples_removed = 0;
@ -1607,23 +1606,20 @@ gistbulkdelete(PG_FUNCTION_ARGS)
*/
/* walk through the entire index */
iscan = index_beginscan(rel, false, 0, (ScanKey) NULL);
iscan = index_beginscan(NULL, rel, SnapshotAny, 0, (ScanKey) NULL);
while ((res = index_getnext(iscan, ForwardScanDirection))
!= (RetrieveIndexResult) NULL)
while (index_getnext_indexitem(iscan, ForwardScanDirection))
{
ItemPointer heapptr = &res->heap_iptr;
if (callback(heapptr, callback_state))
if (callback(&iscan->xs_ctup.t_self, callback_state))
{
ItemPointer indexptr = &res->index_iptr;
ItemPointerData indextup = iscan->currentItemData;
BlockNumber blkno;
OffsetNumber offnum;
Buffer buf;
Page page;
blkno = ItemPointerGetBlockNumber(indexptr);
offnum = ItemPointerGetOffsetNumber(indexptr);
blkno = ItemPointerGetBlockNumber(&indextup);
offnum = ItemPointerGetOffsetNumber(&indextup);
/* adjust any scans that will be affected by this deletion */
gistadjscans(rel, GISTOP_DEL, blkno, offnum);
@ -1640,8 +1636,6 @@ gistbulkdelete(PG_FUNCTION_ARGS)
}
else
num_index_tuples += 1;
pfree(res);
}
index_endscan(iscan);