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Teng Peng commented on SPARK-19208:
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[~timhunter] Has the Jira ticket been opened? I believe this would
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Apache Spark commented on SPARK-19208:
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User 'WeichenXu123' has created a pull request for this
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Timothy Hunter commented on SPARK-19208:
I put together the ideas in this thread into a document.
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Timothy Hunter commented on SPARK-19208:
Yes, I meant returning a struct and then projecting this
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Nick Pentreath commented on SPARK-19208:
Ah right I see - yes rewrite rules would be a good
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Timothy Hunter commented on SPARK-19208:
Thanks for the clarification [~mlnick]. I was a bit
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Nick Pentreath commented on SPARK-19208:
When I said "estimator-like", I didn't mean it should
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Timothy Hunter commented on SPARK-19208:
I am not sure if we should follow the Estimator API for
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Joseph K. Bradley commented on SPARK-19208:
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You're right that sharing intermediate results
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zhengruifeng commented on SPARK-19208:
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[~mlnick] +1
I think we can create a private UDAF to compute
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zhengruifeng commented on SPARK-19208:
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[~mlnick] What about supporting {{groupBy}} in it? I think
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Nick Pentreath commented on SPARK-19208:
Another option would be an "Estimator" like API, where
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zhengruifeng commented on SPARK-19208:
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[~josephkb] I have considered of the analogy of Double
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Joseph K. Bradley commented on SPARK-19208:
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Thanks for writing out your ideas. Here are my
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