Skip to content
New issue

Have a question about this project? # for a free GitHub account to open an issue and contact its maintainers and the community.

#

By clicking “#”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? # to your account

Jump to bottom

Prune columns in Fuse Engine. #7604

Closed
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
Assignees
@RinChanNOWWW
Labels
C-improvement Category: improvement

Comments

@RinChanNOWWW
Copy link
Contributor

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
Copy link
Member

Xuanwo commented Sep 14, 2022

Databend hero of the week!

@BohuTANG BohuTANG mentioned this issue Sep 15, 2022
Closed
43 tasks
@RinChanNOWWW RinChanNOWWW self-assigned this Sep 15, 2022
@RinChanNOWWW RinChanNOWWW mentioned this issue Sep 15, 2022
Merged
@mergify mergify bot closed this as completed in #7646 Sep 16, 2022
# for free to join this conversation on GitHub. Already have an account? # to comment
Assignees

@RinChanNOWWW RinChanNOWWW

Labels
C-improvement Category: improvement
Projects
None yet
Milestone
No milestone
Development

Successfully merging a pull request may close this issue.

refactor(query): push all filters to prewhere and prune columns for it.
2 participants
@Xuanwo @RinChanNOWWW