[SPARK-17551][SQL] complete the NULL ordering support in DataFrame APIs #15107
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Test build #65421 has finished for PR 15107 at commit
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@rxin any opinion about this? |
petermaxlee
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Sep 17, 2016
[SPARK-17551][SQL] complete the NULL ordering support in DataFrame APIs
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@xwu0226 Can you please close this? @hvanhovell already added you as the contributor in another PR, which has been merged. Thanks! |
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What changes were proposed in this pull request?
This PR is to complete the feature - NULLS FIRST | LAST in sorting for DataFrame/Dataset APIs.
How was this patch tested?
New DataFrame test case are added.