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Prune columns in Fuse Engine. #7604

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RinChanNOWWW opened this issue Sep 14, 2022 · 1 comment · Fixed by #7646
Closed

Prune columns in Fuse Engine. #7604

RinChanNOWWW opened this issue Sep 14, 2022 · 1 comment · Fixed by #7646
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C-improvement Category: improvement

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Summary
In the past, all columns invovled in one sql will be pruned by Projection. Now, we can push down some projections to Fuse Engine with Prewhere and prune columns before outputing data blocks.
@RinChanNOWWW RinChanNOWWW added the C-improvement Category: improvement label Sep 14, 2022
@Xuanwo
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Xuanwo commented Sep 14, 2022

Databend hero of the week!

@BohuTANG BohuTANG mentioned this issue Sep 15, 2022
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@RinChanNOWWW RinChanNOWWW self-assigned this Sep 15, 2022
@RinChanNOWWW RinChanNOWWW mentioned this issue Sep 15, 2022
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@mergify mergify bot closed this as completed in #7646 Sep 16, 2022
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refactor(query): push all filters to prewhere and prune columns for it.
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@Xuanwo @RinChanNOWWW