Skip to content
New issue

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

Sign up for GitHub

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

Already on GitHub? Sign in to your account

Jump to bottom

add distinct value counting to table meta #8465

Closed
2 tasks done
Tracked by #8046
, #7823
...
lichuang opened this issue Oct 26, 2022 · 5 comments · Fixed by #8825 or #8891
Closed
2 tasks done
Tracked by #8046
, #7823
...

add distinct value counting to table meta #8465

lichuang opened this issue Oct 26, 2022 · 5 comments · Fixed by #8825 or #8891
Assignees
@lichuang
Labels
C-feature Category: feature

Comments

@lichuang
Copy link
Contributor

lichuang commented Oct 26, 2022 •
edited
Loading

@lichuang lichuang mentioned this issue Oct 26, 2022
Closed
2 tasks
@lichuang lichuang self-assigned this Oct 26, 2022
@BohuTANG BohuTANG added the C-feature Category: feature label Oct 26, 2022
@BohuTANG BohuTANG mentioned this issue Oct 26, 2022
Closed
50 tasks
@Xuanwo
Copy link
Member

Xuanwo commented Oct 27, 2022

What's HLL means?

@lichuang
Copy link
Contributor Author

What's HLL means?

HyperLogLog https://en.wikipedia.org/wiki/HyperLogLog

@Xuanwo
Copy link
Member

Xuanwo commented Oct 27, 2022

Thanks for the quick response. So my new question is, what does adding HLL (an algorithm) in table meta mean?

@lichuang
Copy link
Contributor Author

lichuang commented Oct 28, 2022 •
edited
Loading

Thanks for the quick response. So my new question is, what does adding HLL (an algorithm) in table meta mean?

hll is a algorithm which need a container to store some state for distinct value counting.

@Xuanwo Xuanwo changed the title add HLL to table meta add distinct value counting to table meta Oct 28, 2022
@Xuanwo
Copy link
Member

Xuanwo commented Oct 28, 2022

I updated the issue title to reflect the real task. Please feel free to update it again @lichuang

@lichuang lichuang mentioned this issue Oct 28, 2022
Closed
@lichuang lichuang mentioned this issue Nov 17, 2022
Merged
@lichuang lichuang reopened this Nov 22, 2022
@lichuang lichuang mentioned this issue Nov 22, 2022
Merged
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees

@lichuang lichuang

Labels
C-feature Category: feature
Projects
None yet
Milestone
No milestone
3 participants
@BohuTANG @lichuang @Xuanwo