Modify sequence catalog tuple before invoking post alter hook.

This seems to have been broken in the commit (1753b1b027035029) that
moved the sequence definition into pg_sequence.

Author: Andres Freund
Discussion: https://postgr.es/m/20170601000716.qxg7c46ukkiljjb3@alap3.anarazel.de
Backpatch: Bug is in master/v10 only

diff --git a/src/backend/commands/sequence.c b/src/backend/commands/sequence.c
index 4a56f03e8b65df0e3a2c9536c99b62773244d286..7e85b69ab8fea68e7032a0416f287db21b3338a0 100644 (file)
--- a/src/backend/commands/sequence.c
+++ b/src/backend/commands/sequence.c
@@ -490,12 +490,12 @@ AlterSequence(ParseState *pstate, AlterSeqStmt *stmt)
    if (owned_by)
        process_owned_by(seqrel, owned_by, stmt->for_identity);
 
+   CatalogTupleUpdate(rel, &seqtuple->t_self, seqtuple);
+
    InvokeObjectPostAlterHook(RelationRelationId, relid, 0);
 
    ObjectAddressSet(address, RelationRelationId, relid);
 
-   CatalogTupleUpdate(rel, &seqtuple->t_self, seqtuple);
-
    heap_close(rel, RowExclusiveLock);
    relation_close(seqrel, NoLock);