core: Separate SQL current and upgrade scripts

[quassel.git] / src / core / SQL / SQLite / version / 10 / upgrade_000_switch_to_msgid.sql

UPDATE buffer
SET lastseen = (SELECT messageid FROM backlog WHERE backlog.bufferid = buffer.bufferid AND backlog.time = buffer.lastseen UNION SELECT 0 ORDER BY messageid DESC LIMIT 1)
WHERE lastseen != 0