xiangfu0 commented on issue #11002:
URL: https://github.com/apache/pinot/issues/11002#issuecomment-1615274498
I think the valid query should be
```WITH fd AS (
SELECT user_id, affiliate
FROM (
SELECT user_id, affiliate, row_number() OVER (PARTITION BY user_id ORDER
BY count(0) DESC) AS rn
FROM sensitive_table
GROUP BY user_id, affiliate
) ac
WHERE rn = 1
)
SELECT fd.user_id, s2.account_user_id, fd.affiliate
FROM sensitive_table_2 s2
RIGHT JOIN fd ON fd.user_id = s2.account_user_id
WHERE fd.user_id = 'sensitive_user_id'
```
For RIGHT JOIN, you don't need `fd.user_id = 'sensitive_user_id' OR
s2.account_user_id = 'sensitive_user_id'`
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