diff options
Diffstat (limited to 'src/backend/commands/cluster.c')
| -rw-r--r-- | src/backend/commands/cluster.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/backend/commands/cluster.c b/src/backend/commands/cluster.c index cea2c8be805..e4b7ffd7b82 100644 --- a/src/backend/commands/cluster.c +++ b/src/backend/commands/cluster.c @@ -1065,6 +1065,8 @@ swap_relation_files(Oid r1, Oid r2, bool target_is_pg_class, relfilenode2; Oid swaptemp; char swptmpchr; + Oid relam1, + relam2; /* We need writable copies of both pg_class tuples. */ relRelation = table_open(RelationRelationId, RowExclusiveLock); @@ -1081,6 +1083,8 @@ swap_relation_files(Oid r1, Oid r2, bool target_is_pg_class, relfilenode1 = relform1->relfilenode; relfilenode2 = relform2->relfilenode; + relam1 = relform1->relam; + relam2 = relform2->relam; if (OidIsValid(relfilenode1) && OidIsValid(relfilenode2)) { @@ -1251,6 +1255,31 @@ swap_relation_files(Oid r1, Oid r2, bool target_is_pg_class, } /* + * Now that pg_class has been updated with its relevant information for + * the swap, update the dependency of the relations to point to their new + * table AM, if it has changed. + */ + if (relam1 != relam2) + { + if (changeDependencyFor(RelationRelationId, + r1, + AccessMethodRelationId, + relam1, + relam2) != 1) + elog(ERROR, "failed to change access method dependency for relation \"%s.%s\"", + get_namespace_name(get_rel_namespace(r1)), + get_rel_name(r1)); + if (changeDependencyFor(RelationRelationId, + r2, + AccessMethodRelationId, + relam2, + relam1) != 1) + elog(ERROR, "failed to change access method dependency for relation \"%s.%s\"", + get_namespace_name(get_rel_namespace(r2)), + get_rel_name(r2)); + } + + /* * Post alter hook for modified relations. The change to r2 is always * internal, but r1 depends on the invocation context. */ |