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Offload filter evaluation of incoming recordbatches with selection vectors #5

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bobluppes opened this issue Jan 12, 2021 · 0 comments
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enhancement New feature or request

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@bobluppes
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At the moment, only incoming recordbatches without selection vectors are offloaded to cpp code in the accelerated filter operator.

Support for recordbatches with existing SV2 or SV4 vectors could be added by passing the incoming selection vector as an input buffer. The kernel should then only evaluate the filter for records in the batch coinciding with the indices in the selection vector.

@bobluppes bobluppes added the enhancement New feature or request label Jan 12, 2021
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