| Age | Commit message (Collapse) | Author |
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Prevent duplicate feed items with same GUID
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Change deduplication strategy from query-time (ROW_NUMBER window function)
to insertion-time (global guid check before insert).
Benefits:
- Simpler queries without CTE/window functions
- Consistent read state (no duplicate articles to manage)
- Better query performance (no per-query deduplication overhead)
Changes:
- Add CheckArticleExistsByGUID query for global guid lookup
- Add migration to remove existing duplicate articles
- Modify fetchOneFeed and AddFeed to skip duplicates on insert
- Revert GetUnreadArticles/GetReadArticles to simple queries
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Use ROW_NUMBER() window function to filter out duplicate articles
with the same guid across different feeds. This ensures each guid
appears only once in unread/read article lists.
- Add idx_articles_guid index for PARTITION BY performance
- Modify GetUnreadArticles and GetReadArticles queries with CTE
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Add AI collaboration note to project
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