From 0332d65ac4a1c843e1812755db1afc1b1109d0ea Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Sat, 6 Apr 2002 06:59:25 +0000
Subject: Implement partial-key searching of syscaches, per recent suggestion
 to pghackers.  Use this to do searching for ambiguous functions --- it will
 get more uses soon.

---
 src/backend/utils/cache/syscache.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'src/backend/utils/cache/syscache.c')

diff --git a/src/backend/utils/cache/syscache.c b/src/backend/utils/cache/syscache.c
index 84cea0bb632..7e6a95a324e 100644
--- a/src/backend/utils/cache/syscache.c
+++ b/src/backend/utils/cache/syscache.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/cache/syscache.c,v 1.73 2002/04/05 00:31:31 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/cache/syscache.c,v 1.74 2002/04/06 06:59:23 tgl Exp $
  *
  * NOTES
  *	  These routines allow the parser/planner/executor to perform
@@ -626,3 +626,18 @@ SysCacheGetAttr(int cacheId, HeapTuple tup,
 						SysCache[cacheId]->cc_tupdesc,
 						isNull);
 }
+
+/*
+ * List-search interface
+ */
+struct catclist *
+SearchSysCacheList(int cacheId, int nkeys,
+				   Datum key1, Datum key2, Datum key3, Datum key4)
+{
+	if (cacheId < 0 || cacheId >= SysCacheSize ||
+		! PointerIsValid(SysCache[cacheId]))
+		elog(ERROR, "SearchSysCacheList: Bad cache id %d", cacheId);
+
+	return SearchCatCacheList(SysCache[cacheId], nkeys,
+							  key1, key2, key3, key4);
+}
-- 
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