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Diffstat (limited to 'src/backend/utils/cache/catcache.c')
-rw-r--r--src/backend/utils/cache/catcache.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/backend/utils/cache/catcache.c b/src/backend/utils/cache/catcache.c
index 111292fa300..da89c8a7e4c 100644
--- a/src/backend/utils/cache/catcache.c
+++ b/src/backend/utils/cache/catcache.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/cache/catcache.c,v 1.152 2010/04/20 23:48:47 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/cache/catcache.c,v 1.153 2010/07/06 19:18:58 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -994,6 +994,7 @@ IndexScanOK(CatCache *cache, ScanKey cur_skey)
switch (cache->id)
{
case INDEXRELID:
+
/*
* Rather than tracking exactly which indexes have to be loaded
* before we can use indexscans (which changes from time to time),
@@ -1006,6 +1007,7 @@ IndexScanOK(CatCache *cache, ScanKey cur_skey)
case AMOID:
case AMNAME:
+
/*
* Always do heap scans in pg_am, because it's so small there's
* not much point in an indexscan anyway. We *must* do this when
@@ -1017,6 +1019,7 @@ IndexScanOK(CatCache *cache, ScanKey cur_skey)
case AUTHNAME:
case AUTHOID:
case AUTHMEMMEMROLE:
+
/*
* Protect authentication lookups occurring before relcache has
* collected entries for shared indexes.