diff options
-rwxr-xr-x | scripts/synapse_port_db | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/scripts/synapse_port_db b/scripts/synapse_port_db index 0d3321682c..f24b8ffe67 100755 --- a/scripts/synapse_port_db +++ b/scripts/synapse_port_db @@ -782,7 +782,10 @@ class Porter(object): def _setup_state_group_id_seq(self): def r(txn): txn.execute("SELECT MAX(id) FROM state_groups") - next_id = txn.fetchone()[0] + 1 + curr_id = txn.fetchone()[0] + if not curr_id: + return + next_id = curr_id + 1 txn.execute("ALTER SEQUENCE state_group_id_seq RESTART WITH %s", (next_id,)) return self.postgres_store.runInteraction("setup_state_group_id_seq", r) |