CREATE TABLE IF NOT EXISTS status ( userid VARCHAR(26) PRIMARY KEY, status VARCHAR(32), manual boolean, lastactivityat bigint ); ALTER TABLE status DROP COLUMN IF EXISTS activechannel; CREATE INDEX IF NOT EXISTS idx_status_status ON status(status); ALTER TABLE status ADD COLUMN IF NOT EXISTS dndendtime bigint; ALTER TABLE status ADD COLUMN IF NOT EXISTS prevstatus VARCHAR(32); DROP INDEX IF EXISTS idx_status_user_id;