Skip to content

branch-2.1: [improvement](statistics)Agg table set preagg on when doing sample analyzing. (#49918) #51675

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
Merged
merged 1 commit into from
Jun 16, 2025
Merged

branch-2.1: [improvement](statistics)Agg table set preagg on when doing sample analyzing. (#49918) #51675

merged 1 commit into from
Jun 16, 2025

Conversation

Jibing-Li
Copy link
Contributor

@Jibing-Li Jibing-Li commented Jun 12, 2025 •
edited
Loading

backport: #49918
backport: #51116

@hello-stephen
Copy link
Contributor

Thank you for your contribution to Apache Doris.
Don't know what should be done next? See How to process your PR.

Please clearly describe your PR:

  1. What problem was fixed (it's best to include specific error reporting information). How it was fixed.
  2. Which behaviors were modified. What was the previous behavior, what is it now, why was it modified, and what possible impacts might there be.
  3. What features were added. Why was this function added?
  4. Which code was refactored and why was this part of the code refactored?
  5. Which functions were optimized and what is the difference before and after the optimization?

@Jibing-Li
Copy link
Contributor Author

run buildall

1 similar comment
@Jibing-Li
Copy link
Contributor Author

run buildall

@Jibing-Li
Copy link
Contributor Author

run buildall

@Jibing-Li
Copy link
Contributor Author

run buildall

@Jibing-Li Jibing-Li marked this pull request as ready for review June 13, 2025 07:46
@Jibing-Li Jibing-Li requested a review from yiguolei as a code owner June 13, 2025 07:46
@Jibing-Li
[improvement](statistics)Agg table set preagg on when doing sample an…
c7e4e4a 
…alyzing. (apache#49918)

This pr includes 3 changes.
1. Nereids support set ScanNode preagg on by hint, like this: select *
from table1 /*+PREAGGOPEN*/
2. When sample analyze agg table and mor unique table, set preagg on to
improve performance.
3. Skip sample analyzing agg table and mor unique table's value columns.
@Jibing-Li
Copy link
Contributor Author

run buildall

@Jibing-Li
Copy link
Contributor Author

run feut

@yiguolei yiguolei merged commit 8734c3f into apache:branch-2.1 Jun 16, 2025
19 of 22 checks passed
@Jibing-Li Jibing-Li deleted the agg2.1 branch June 16, 2025 01:53
@yiguolei yiguolei mentioned this pull request Aug 11, 2025
Open
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Reviewers

@yiguolei yiguolei yiguolei approved these changes

Assignees
No one assigned
Labels
None yet
Projects
None yet
Milestone
No milestone
Development

Successfully merging this pull request may close these issues.
3 participants
@Jibing-Li @hello-stephen @yiguolei