select sum(amount_usd),date(block_timestamp) as date
, (case
when date='2022-02-24' then 'Start War'
when date <'2022-02-24' then 'Befor Start War'
when date >'2022-02-24' then 'After Start War'
end ) as war_date from ethereum.dex_swaps
where
date(block_timestamp)>'2022-01-01' and platform='uniswap-v2'
group by date,war_date