[CBRD-27040] Document that WITH FULLSCAN falls back to sampling above the heap page limit - #771
Open
Hamkua wants to merge 3 commits into
Open
[CBRD-27040] Document that WITH FULLSCAN falls back to sampling above the heap page limit#771Hamkua wants to merge 3 commits into
Hamkua wants to merge 3 commits into
Conversation
… the heap page limit
Hamkua
requested review from
bagus-kim,
hiclass,
junsklee,
kavin0718,
kwonhoil and
mhoh3963
as code owners
September 3, 2026 04:42
|
Reviews (1): Last reviewed commit: "[CBRD-27040] Document that WITH FULLSCAN..." | Re-trigger Greptile |
bagus-kim
approved these changes
Sep 3, 2026
hiclass
approved these changes
Sep 4, 2026
…ication log example
Contributor
|
11.4 patch 6에만 반영되기 때문에 내용을 수정하기 보다는 알림창등으로 '11.4 patch6 부터는 ~~~' 이런식으로 작성하는게 좋을 것 같습니다. |
shparkcubrid
approved these changes
Sep 4, 2026
Contributor
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
http://jira.cubrid.org/browse/CBRD-27040
CBRD-27040에서
UPDATE STATISTICS ... WITH FULLSCAN이 테이블의 힙 페이지 개수가stats_fullscan_max_pages(기본 10,000)를 초과하면 칼럼 통계를 샘플링으로 수집하도록 변경되었습니다.사용자 입장에서는
WITH FULLSCAN을 지정했는데도 Number of Distinct Values가 추정치로 수집되고, 그 사실이 문서에 없으면 통계 값을 전수 집계 결과로 오해할 수 있어 매뉴얼(ko/en)에 반영합니다.추가한 내용은 다음과 같습니다.
stats_fullscan_max_pages를 초과하면WITH FULLSCAN을 지정해도 칼럼 통계가 샘플링한 데이터로 수집되어 Number of Distinct Values가 추정치가 된다는 점stats_fullscan_max_pages로 상한을 조정하거나 해제하는 방법