CREATE TABLE eventstore.events2 ( instance_id, aggregate_type, aggregate_id, event_type, "sequence", revision, created_at, payload, creator, "owner", "position", in_tx_order ) AS SELECT instance_id, aggregate_type, aggregate_id, event_type, event_sequence, substr(aggregate_version, 2)::SMALLINT, creation_date, event_data, editor_user, resource_owner, EXTRACT(EPOCH FROM creation_date), event_sequence FROM eventstore.events_old;