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Fix error when using synapse_port_db on a vanilla synapse db #6449

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Dec 4, 2019
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1 change: 1 addition & 0 deletions changelog.d/6449.bugfix
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Fix error when using synapse_port_db on a vanilla synapse db.
5 changes: 4 additions & 1 deletion scripts/synapse_port_db
Original file line number Diff line number Diff line change
Expand Up @@ -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)
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