Count contrib/bloom index scans in pgstat view.

Maintain the pg_stat_user_indexes.idx_scan pgstat counter during
contrib/Bloom index scans.

Oversight in commit 9ee014fc, which added the Bloom index contrib
module.

Author: Masahiro Ikeda <ikedamsh@oss.nttdata.com>
Reviewed-By: Peter Geoghegan <pg@bowt.ie>
Discussion: https://postgr.es/m/c48839d881388ee401a01807c686004d@oss.nttdata.com
Backpatch: 13- (all supported branches).

diff --git a/contrib/bloom/blscan.c b/contrib/bloom/blscan.c
index bf455e579fe85b0eb8d463068dc41b558b098389..0c5fb725e89570baa0b08f92bedd03dc3a03ecb4 100644 (file)
--- a/contrib/bloom/blscan.c
+++ b/contrib/bloom/blscan.c
@@ -15,6 +15,7 @@
 #include "access/relscan.h"
 #include "bloom.h"
 #include "miscadmin.h"
+#include "pgstat.h"
 #include "storage/bufmgr.h"
 
 /*
@@ -114,6 +115,7 @@ blgetbitmap(IndexScanDesc scan, TIDBitmap *tbm)
         */
        bas = GetAccessStrategy(BAS_BULKREAD);
        npages = RelationGetNumberOfBlocks(scan->indexRelation);
+       pgstat_count_index_scan(scan->indexRelation);
 
        for (blkno = BLOOM_HEAD_BLKNO; blkno < npages; blkno++)
        {