docs: improve data management #2146
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Signed-off-by: Dennis Zhuang <[email protected]>
nicecui
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Sep 25, 2025
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Pull Request Overview
This PR improves the data management documentation by fixing anchor links, clarifying merge mode behavior, and adding information about TTL management. The changes enhance user understanding of data operations in GreptimeDB.
- Fixed broken anchor links with double hash symbols
- Clarified that
last_non_nullmode keeps the latest non-null values rather than just latest values - Added documentation for modifying TTL policies using ALTER statements
- Added important notes about TTL expiration timing and compaction behavior
Reviewed Changes
Copilot reviewed 8 out of 8 changed files in this pull request and generated 2 comments.
Show a summary per file
| File | Description |
|---|---|
| versioned_docs/version-0.17/user-guide/manage-data/overview.md | Fixed anchor link, added TTL expiration note and ALTER examples |
| versioned_docs/version-0.17/reference/sql/create.md | Clarified last_non_null merge mode behavior |
| i18n/zh/docusaurus-plugin-content-docs/version-0.17/user-guide/manage-data/overview.md | Chinese translation updates matching English changes |
| i18n/zh/docusaurus-plugin-content-docs/version-0.17/reference/sql/create.md | Chinese translation for merge mode clarification |
| i18n/zh/docusaurus-plugin-content-docs/current/user-guide/manage-data/overview.md | Current version Chinese translation updates |
| i18n/zh/docusaurus-plugin-content-docs/current/reference/sql/create.md | Current version Chinese merge mode clarification |
| docs/user-guide/manage-data/overview.md | Main docs with fixed anchor link and TTL ALTER examples |
| docs/reference/sql/create.md | Main docs clarification of merge mode behavior |
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i18n/zh/docusaurus-plugin-content-docs/version-0.17/user-guide/manage-data/overview.md
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Signed-off-by: Dennis Zhuang <[email protected]>
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What's Changed in this PR
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Checklist
sidebars.tsmatches the current document structure when you changed the document structure.