ALTER TABLE working_hours
    ADD COLUMN IF NOT EXISTS account_id BIGINT,
    ADD COLUMN IF NOT EXISTS closed_all_day BOOLEAN DEFAULT false,
    ADD COLUMN IF NOT EXISTS open_all_day BOOLEAN DEFAULT false,
    ADD COLUMN IF NOT EXISTS open_hour INTEGER,
    ADD COLUMN IF NOT EXISTS open_minutes INTEGER,
    ADD COLUMN IF NOT EXISTS close_hour INTEGER,
    ADD COLUMN IF NOT EXISTS close_minutes INTEGER;

CREATE INDEX IF NOT EXISTS idx_working_hours_account_id
    ON working_hours(account_id);