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From cloud-fan <>
Subject [GitHub] spark pull request: [SPARK-8654][SQL] Fix Analysis exception when ...
Date Tue, 06 Oct 2015 18:22:10 GMT
Github user cloud-fan commented on the pull request:
    ok misleaded by the imperative code style, sorry for that...
    So we will return null if the `key` is null, or we can't find a value in `list` matching
our `key`, and there is null value inside `list`.
    This PR make `In` operation return null when `key` is NullType, which is right. But I
think we can do it further by returning null for any type of `key` which is literal null(probably
another PR).

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