BEGIN;

ALTER TABLE miningcheck_settings
ADD COLUMN IF NOT EXISTS display_timezone VARCHAR(64);

UPDATE miningcheck_settings
SET display_timezone = 'Europe/Berlin'
WHERE display_timezone IS NULL OR BTRIM(display_timezone) = '';

UPDATE miningcheck_settings
SET baseline_measured_at = ((baseline_measured_at AT TIME ZONE 'Europe/Berlin') AT TIME ZONE 'UTC')
WHERE baseline_measured_at IS NOT NULL;

UPDATE miningcheck_cost_plans
SET starts_at = ((starts_at AT TIME ZONE 'Europe/Berlin') AT TIME ZONE 'UTC')
WHERE starts_at IS NOT NULL;

UPDATE miningcheck_measurements
SET measured_at = ((measured_at AT TIME ZONE 'Europe/Berlin') AT TIME ZONE 'UTC')
WHERE measured_at IS NOT NULL;

UPDATE miningcheck_payouts
SET payout_at = ((payout_at AT TIME ZONE 'Europe/Berlin') AT TIME ZONE 'UTC')
WHERE payout_at IS NOT NULL;

UPDATE miningcheck_purchased_miners
SET purchased_at = ((purchased_at AT TIME ZONE 'Europe/Berlin') AT TIME ZONE 'UTC')
WHERE purchased_at IS NOT NULL;

UPDATE miningcheck_fx_fetches
SET fetched_at = ((fetched_at AT TIME ZONE 'Europe/Berlin') AT TIME ZONE 'UTC')
WHERE fetched_at IS NOT NULL;

COMMIT;