SELECT count(DISTINCT origin_from_address) from ethereum.core.ez_dex_swaps where origin_to_Address=lower('0x881D40237659C251811CEC9c364ef91dC08D300C')
UNION ALL
SELECT count(DISTINCT origin_from_address) from ethereum.core.ez_dex_swaps where origin_to_Address!=lower('0x881D40237659C251811CEC9c364ef91dC08D300C')