[英]Hive query for a specific scenario
SELECT
CNSM_ID,
MAX(t),
TYPE_CD
FROM(
SELECT
CNSM_ID,
MAX(TIMESTAMP) AS t,
type
FROM
TBL_NAME
GROUP BY
CNSM_ID,
TYPE_CD
ORDER BY t DESC) AS TBL_NAME1
GROUP BY CNSM_ID;
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