diff options
Diffstat (limited to 'src/backend/commands/command.c')
| -rw-r--r-- | src/backend/commands/command.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/backend/commands/command.c b/src/backend/commands/command.c index 38cee644b22..48d2b4cbc34 100644 --- a/src/backend/commands/command.c +++ b/src/backend/commands/command.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/commands/Attic/command.c,v 1.77 2000/06/04 22:04:32 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/commands/Attic/command.c,v 1.78 2000/06/09 15:50:43 momjian Exp $ * * NOTES * The PortalExecutorHeapMemory crap needs to be eliminated @@ -30,6 +30,7 @@ #include "commands/command.h" #include "executor/spi.h" #include "catalog/heap.h" +#include "catalog/pg_shadow.h" #include "miscadmin.h" #include "optimizer/prep.h" #include "utils/acl.h" @@ -1211,6 +1212,21 @@ LockTableCommand(LockStmt *lockstmt) { Relation rel; int aclresult; + HeapTuple tup; + + + /* ---------- + * Check pg_shadow for global lock setting + * ---------- + */ + tup = SearchSysCacheTuple(SHADOWNAME, PointerGetDatum(GetPgUserName()), 0, 0, 0); + + if (!HeapTupleIsValid(tup)) + elog(ERROR, "LOCK TABLE: look at pg_shadow failed"); + + if (!((Form_pg_shadow) GETSTRUCT(tup))->uselocktable) + elog(ERROR, "LOCK TABLE: permission denied"); + rel = heap_openr(lockstmt->relname, NoLock); if (!RelationIsValid(rel)) |