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 3bfabb6d10b..03b24ab90f1 100644 --- a/src/backend/commands/cluster.c +++ b/src/backend/commands/cluster.c @@ -1070,6 +1070,8 @@ swap_relation_files(Oid r1, Oid r2, bool target_is_pg_class, relfilenumber2; RelFileNumber swaptemp; char swptmpchr; + Oid relam1, + relam2; /* We need writable copies of both pg_class tuples. */ relRelation = table_open(RelationRelationId, RowExclusiveLock); @@ -1086,6 +1088,8 @@ swap_relation_files(Oid r1, Oid r2, bool target_is_pg_class, relfilenumber1 = relform1->relfilenode; relfilenumber2 = relform2->relfilenode; + relam1 = relform1->relam; + relam2 = relform2->relam; if (RelFileNumberIsValid(relfilenumber1) && RelFileNumberIsValid(relfilenumber2)) @@ -1258,6 +1262,31 @@ 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. */ |