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-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 cd81adb172a..273c79a2fab 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 1.299.4.2 2007/03/14 18:49:18 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/commands/vacuum.c,v 1.299.4.3 2008/01/03 21:25:00 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -883,6 +883,8 @@ vacuum_rel(Oid relid, VacuumStmt *vacstmt, char expected_relkind)
LockRelId onerelid;
Oid toast_relid;
bool result;
+ AclId save_userid;
+ bool save_secdefcxt;
/* Begin a transaction for vacuuming this relation */
StartTransactionCommand();
@@ -998,6 +1000,14 @@ 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);
+
+ /*
* Do the actual work --- either FULL or "lazy" vacuum
*/
if (vacstmt->full)
@@ -1007,6 +1017,9 @@ vacuum_rel(Oid relid, VacuumStmt *vacstmt, char expected_relkind)
result = true; /* did the vacuum */
+ /* Restore userid */
+ SetUserIdAndContext(save_userid, save_secdefcxt);
+
/* all done with this class, but hold lock until commit */
relation_close(onerel, NoLock);