diff options
Diffstat (limited to 'src/backend/commands/vacuum.c')
| -rw-r--r-- | src/backend/commands/vacuum.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/backend/commands/vacuum.c b/src/backend/commands/vacuum.c index 80c1e31121b..39d769aaa8a 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 1.317.2.5 2007/06/14 13:54:40 alvherre Exp $ + * $PostgreSQL: pgsql/src/backend/commands/vacuum.c,v 1.317.2.6 2008/01/03 21:24:26 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -961,6 +961,8 @@ vacuum_rel(Oid relid, VacuumStmt *vacstmt, char expected_relkind) LockRelId onerelid; Oid toast_relid; bool result; + Oid save_userid; + bool save_secdefcxt; /* Begin a transaction for vacuuming this relation */ StartTransactionCommand(); @@ -1072,6 +1074,14 @@ 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) @@ -1081,6 +1091,9 @@ 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); |