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Diffstat (limited to 'scripts/synapse_port_db')
| -rwxr-xr-x | scripts/synapse_port_db | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/scripts/synapse_port_db b/scripts/synapse_port_db index 7a638ea8e3..604b961bd2 100755 --- a/scripts/synapse_port_db +++ b/scripts/synapse_port_db @@ -876,14 +876,12 @@ class Porter(object): "ALTER SEQUENCE events_stream_seq RESTART WITH %s", (next_id,) ) - txn.execute("SELECT -MIN(stream_ordering) FROM events") + txn.execute("SELECT GREATEST(-MIN(stream_ordering), 1) FROM events") curr_id = txn.fetchone()[0] - if curr_id: - next_id = curr_id + 1 - txn.execute( - "ALTER SEQUENCE events_backfill_stream_seq RESTART WITH %s", - (next_id,), - ) + next_id = curr_id + 1 + txn.execute( + "ALTER SEQUENCE events_backfill_stream_seq RESTART WITH %s", (next_id,), + ) return self.postgres_store.db_pool.runInteraction( "_setup_events_stream_seqs", r |