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[NSE-955] Support window function lag #1056
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@jackylee-ch, please have a review and verification. Thanks! |
zhouyuan
reviewed
Oct 11, 2022
| @@ -544,6 +544,316 @@ arrow::Status WindowRankKernel::AreTheSameValue(const std::vector<ArrayList>& va | |||
| return arrow::Status::OK(); | |||
| } | |||
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| WindowLagKernel::WindowLagKernel( | |||
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TODO: the cpp file is already too big, might split this into small files
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Will refactor it in another patch. Thanks!
zhouyuan
approved these changes
Oct 11, 2022
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What changes were proposed in this pull request?
Support a window function called lag.
How was this patch tested?
UT/Integration tests.