From b9fda39de3f37f6ab0981de37e3c69b4082b8462 Mon Sep 17 00:00:00 2001
From: "Vadim B. Mikheev" <vadim4o@yahoo.com>
Date: Thu, 27 Mar 1997 04:13:44 +0000
Subject: [PATCH] Added call to heap_endscan in IndexIsUniqueNoCache - to
release our READ lock on pg_index and let others to create indices too !
---
src/backend/catalog/index.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/src/backend/catalog/index.c b/src/backend/catalog/index.c
index 6362eeddbee..9a153741ca2 100644
--- a/src/backend/catalog/index.c
+++ b/src/backend/catalog/index.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/catalog/index.c,v 1.13 1997/03/24 07:39:47 vadim Exp $
+ * $Header: /cvsroot/pgsql/src/backend/catalog/index.c,v 1.14 1997/03/27 04:13:44 vadim Exp $
*
*
* INTERFACE ROUTINES
@@ -1714,7 +1714,7 @@ IndexIsUnique(Oid indexId)
ObjectIdGetDatum(indexId),
0,0,0);
if(!HeapTupleIsValid(tuple)) {
- elog(WARN, "Can't find index id %d in IndexIsUnique",
+ elog(WARN, "IndexIsUnique: can't find index id %d",
indexId);
}
index = (IndexTupleForm)GETSTRUCT(tuple);
@@ -1742,7 +1742,6 @@ IndexIsUniqueNoCache(Oid indexId)
ScanKeyData skey[1];
HeapScanDesc scandesc;
HeapTuple tuple;
- Buffer b;
IndexTupleForm index;
bool isunique;
@@ -1755,15 +1754,16 @@ IndexIsUniqueNoCache(Oid indexId)
scandesc = heap_beginscan(pg_index, 0, SelfTimeQual, 1, skey);
- tuple = heap_getnext(scandesc, 0, &b);
+ tuple = heap_getnext(scandesc, 0, NULL);
if(!HeapTupleIsValid(tuple)) {
- elog(WARN, "Can't find index id %d in IndexIsUniqueNoCache",
+ elog(WARN, "IndexIsUniqueNoCache: can't find index id %d",
indexId);
}
index = (IndexTupleForm)GETSTRUCT(tuple);
Assert(index->indexrelid == indexId);
isunique = index->indisunique;
- ReleaseBuffer(b);
+ heap_endscan (scandesc);
+ heap_close (pg_index);
return isunique;
}
--
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