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Add support for anti (hash) join #460

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Dandandan opened this issue May 31, 2021 · 0 comments · Fixed by #482
Closed

Add support for anti (hash) join #460

Dandandan opened this issue May 31, 2021 · 0 comments · Fixed by #482
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enhancement New feature or request

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@Dandandan
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Is your feature request related to a problem or challenge? Please describe what you are trying to do.
We should support anti join. This can also be used to execute NOT IN and NOT EXISTS.
Eplicit syntax for this join could be supported too.

Describe the solution you'd like
Implement anti join in DataFusion. This can probably utilize most of the existing code in HashJoinExec

Describe alternatives you've considered

Additional context
@Dandandan Dandandan added the enhancement New feature or request label May 31, 2021
@Dandandan Dandandan mentioned this issue Jun 2, 2021
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enhancement New feature or request
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Support anti join Dandandan/arrow-datafusion
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@Dandandan