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Revise pgstats stuff to fix the problems with not counting accesses

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generated by bitmap index scans.  Along the way, simplify and speed up
the code for counting sequential and index scans; it was both confusing
and inefficient to be taking care of that in the per-tuple loops, IMHO.
initdb forced because of internal changes in pg_stat view definitions.
This commit is contained in:
Tom Lane
2005-10-06 02:29:23 +00:00
parent b5aad11a1b
commit cb8b6618ce
16 changed files with 207 additions and 166 deletions
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5
src/backend/access/hash/hashsearch.c
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@@ -8,13 +8,14 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/hash/hashsearch.c,v 1.38 2004/12/31 21:59:13 pgsql Exp $
* $PostgreSQL: pgsql/src/backend/access/hash/hashsearch.c,v 1.39 2005/10/06 02:29:08 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "access/hash.h"
#include "pgstat.h"
#include "storage/lmgr.h"
@@ -130,6 +131,8 @@ _hash_first(IndexScanDesc scan, ScanDirection dir)
ItemPointer current;
OffsetNumber offnum;
pgstat_count_index_scan(&scan->xs_pgstat_info);
current = &(scan->currentItemData);
ItemPointerSetInvalid(current);