From f70f8948019d2f92d9e7521a27a9078d170a1767 Mon Sep 17 00:00:00 2001 From: reshke kirill Date: Mon, 9 Dec 2024 11:49:01 +0000 Subject: [PATCH v1] Lock tuple for inplace update when moidfying --- src/backend/commands/alter.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/backend/commands/alter.c b/src/backend/commands/alter.c index a45f3bb6b83..19258ed5ac2 100644 --- a/src/backend/commands/alter.c +++ b/src/backend/commands/alter.c @@ -991,6 +991,8 @@ AlterObjectOwner_internal(Oid classId, Oid objectId, Oid new_ownerId) } } + LockTuple(rel, &oldtup->t_self, InplaceUpdateTupleLock); + /* Build a modified tuple */ nattrs = RelationGetNumberOfAttributes(rel); values = palloc0(nattrs * sizeof(Datum)); @@ -1024,6 +1026,8 @@ AlterObjectOwner_internal(Oid classId, Oid objectId, Oid new_ownerId) /* Perform actual update */ CatalogTupleUpdate(rel, &newtup->t_self, newtup); + UnlockTuple(rel, &oldtup->t_self, InplaceUpdateTupleLock); + /* Update owner dependency reference */ changeDependencyOnOwner(classId, objectId, new_ownerId); -- 2.34.1