aboutsummaryrefslogtreecommitdiff
path: root/src/backend/commands/cluster.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/backend/commands/cluster.c')
-rw-r--r--src/backend/commands/cluster.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/src/backend/commands/cluster.c b/src/backend/commands/cluster.c
index 506e3d7894b..f0825a9d02f 100644
--- a/src/backend/commands/cluster.c
+++ b/src/backend/commands/cluster.c
@@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/commands/cluster.c,v 1.154.2.1 2007/09/10 22:02:05 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/commands/cluster.c,v 1.154.2.2 2007/09/29 18:05:28 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -418,6 +418,16 @@ check_index_is_clusterable(Relation OldHeap, Oid indexOid, bool recheck)
}
/*
+ * Disallow if index is left over from a failed CREATE INDEX CONCURRENTLY;
+ * it might well not contain entries for every heap row.
+ */
+ if (!OldIndex->rd_index->indisvalid)
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("cannot cluster on invalid index \"%s\"",
+ RelationGetRelationName(OldIndex))));
+
+ /*
* Disallow clustering system relations. This will definitely NOT work
* for shared relations (we have no way to update pg_class rows in other
* databases), nor for nailed-in-cache relations (the relfilenode values