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

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Andrew Morgan 2019-12-04 12:17:47 +00:00 committed by GitHub
commit 85901939c1
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2 changed files with 5 additions and 1 deletions
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changelog.d/6449.bugfix Normal file
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@ -0,0 +1 @@
Fix error when using synapse_port_db on a vanilla synapse db.

5
scripts/synapse_port_db
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@ -782,7 +782,10 @@ class Porter(object):
def _setup_state_group_id_seq(self): def _setup_state_group_id_seq(self):
def r(txn): def r(txn):
txn.execute("SELECT MAX(id) FROM state_groups") 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,)) txn.execute("ALTER SEQUENCE state_group_id_seq RESTART WITH %s", (next_id,))
return self.postgres_store.runInteraction("setup_state_group_id_seq", r) return self.postgres_store.runInteraction("setup_state_group_id_seq", r)