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Joins #2

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utdemir opened this issue Apr 14, 2019 · 2 comments
Open

Joins #2

utdemir opened this issue Apr 14, 2019 · 2 comments
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@utdemir
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utdemir commented Apr 14, 2019

Implement a join function which joins two datasets based on a key/key function. Different join types (left/right/full outer, cartesian product) should be supported.
@axman6
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axman6 commented Jun 6, 2019

The generalised joins in discrimination might be useful for this - probably not directly, but it should be possible to leverage the implementation there and take advantage of the fast Grouping work.

@utdemir
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utdemir commented Jun 25, 2019

@axman6 Thank you for the suggestion! I haven't used discrimination before, but indeed it looks like it might be useful to distributed-dataset on multiple future (joins, shuffles, sorts, ..).

I will look at it thoroughly when I get to implementing those; or you are always welcome to give it a go :)..

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@axman6 @utdemir