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Diffstat (limited to 'src/backend/commands/vacuum.c')
-rw-r--r--src/backend/commands/vacuum.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/src/backend/commands/vacuum.c b/src/backend/commands/vacuum.c
index 304cc325d38..e3f9367f028 100644
--- a/src/backend/commands/vacuum.c
+++ b/src/backend/commands/vacuum.c
@@ -13,7 +13,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/commands/vacuum.c,v 1.342.2.3 2007/06/14 13:54:28 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/commands/vacuum.c,v 1.342.2.4 2008/01/03 21:23:45 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -959,6 +959,8 @@ vacuum_rel(Oid relid, VacuumStmt *vacstmt, char expected_relkind)
Relation onerel;
LockRelId onerelid;
Oid toast_relid;
+ Oid save_userid;
+ bool save_secdefcxt;
/* Begin a transaction for vacuuming this relation */
StartTransactionCommand();
@@ -1087,6 +1089,14 @@ vacuum_rel(Oid relid, VacuumStmt *vacstmt, char expected_relkind)
toast_relid = onerel->rd_rel->reltoastrelid;
/*
+ * Switch to the table owner's userid, so that any index functions are
+ * run as that user. (This is unnecessary, but harmless, for lazy
+ * VACUUM.)
+ */
+ GetUserIdAndContext(&save_userid, &save_secdefcxt);
+ SetUserIdAndContext(onerel->rd_rel->relowner, true);
+
+ /*
* Tell the cache replacement strategy that vacuum is causing all
* following IO
*/
@@ -1102,6 +1112,9 @@ vacuum_rel(Oid relid, VacuumStmt *vacstmt, char expected_relkind)
StrategyHintVacuum(false);
+ /* Restore userid */
+ SetUserIdAndContext(save_userid, save_secdefcxt);
+
/* all done with this class, but hold lock until commit */
relation_close(onerel, NoLock);