-- name: EnableChangeLogTriggers :exec
UPDATE switchover_state
SET current_state = 'in_progress'
WHERE current_state = 'idle';

-- name: DisableChangeLogTriggers :exec
UPDATE switchover_state
SET current_state = 'idle'
WHERE current_state = 'in_progress';

-- name: Now :one
SELECT now()::timestamptz;

-- name: ActiveTxCount :one
SELECT COUNT(*)
FROM pg_stat_activity
WHERE "state" <> 'idle'
    AND "xact_start" <= $1;