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Predicate on COALESCE(r.x, l.y) after LOJ can be pushed to r #22672

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kaikalur opened this issue May 5, 2024 · 0 comments

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intermediate-task optimizer Query Optimization

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kaikalur commented May 5, 2024

I see queries like:

SELECT .. FROM T1 LOJ T2 ON T1.k = T2.k
WHERE COALESCE(T2.x, T1.y) IN (1,2,3)

Here we can pushdown T2.x IN (1,2,3) to T2

kaikalur added intermediate-task Query Optimization optimizer labels

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