SELECT
DATE AS dt,
CASE
WHEN DATE < '2023-03-23' THEN TVL_USD
ELSE 0
END AS TVL_BEFORE_AIRDROP,
CASE
WHEN DATE >= '2023-03-23' THEN TVL_USD
ELSE 0
END AS TVL_POST_AIRDROP
FROM
external.defillama.fact_chain_tvl
WHERE
CHAIN = 'Arbitrum'
AND DATE > '2022-09-17'
ORDER BY
dt;