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Posted to commits@doris.apache.org by "morningman (via GitHub)" <gi...@apache.org> on 2026/10/09 19:28:50 UTC
[PR] [docs](ivm) Document incremental refresh for expressions over aggregates [doris-website]
morningman opened a new pull request, #4204:
URL: https://github.com/apache/doris-website/pull/4204
After apache/doris#68787 fixed apache/doris#68742, deterministic expressions over aggregate results, such as `SUM(amount) * 100`, support incremental refresh. Update the English and Chinese dev IVM docs to reflect this behavior, remove the obsolete refresh-failure paragraph and workarounds, and correct the GROUP BY capability table and explanation. The expressions remain subject to the restrictions of their aggregate functions, including MIN/MAX boundary deletions.
## Versions
- [x] dev
- [ ] 4.x
- [ ] 3.x
- [ ] 2.1 or older (not covered by version/language sync gate)
IVM is introduced in Doris 5.0.0. The dev pages already state this version requirement; there is no corresponding IVM reference page for 4.x or earlier. This explains the version-sync check's missing-4.x warning.
## Languages
- [x] Chinese
- [x] English
## Docs Checklist
- [x] Checked by AI
- [ ] Test Cases Built
- [x] Updated required version and language counterparts, or explained why not
- [x] If only one language changed, confirmed whether source/translation counterparts need sync (both languages updated)
## Validation
- Cross-checked the merged fix and its regression cases for expressions over aggregates.
- Both pages compile with the Docusaurus MDX pipeline.
- Changed-page link and Markdown structure checks pass.
- English and Chinese code blocks match (67 blocks); SQL examples are unchanged.
- `git diff --check` passes.
No Doris test suite was run for this prose change. The SEO check reports existing description-length warnings; front matter is unchanged.
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Re: [PR] [docs](ivm) Document incremental refresh for expressions over aggregates [doris-website]
Posted by "morningman (via GitHub)" <gi...@apache.org>.
morningman merged PR #4204:
URL: https://github.com/apache/doris-website/pull/4204
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