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path: root/backend/db/articles.sql.go
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5 daysrefactor: remove unused GetAllArticleGUIDs queryClaude
5 daysrefactor: deduplicate articles at insertion time instead of query timeClaude
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
5 daysfeat: deduplicate feed items by guidClaude
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
2025-11-08feat: Support multi-usernsfisis
2025-07-12feat(backend,frontend): add feature to unsubscribe feednsfisis
2025-07-12feat(backend): introduce sqlcnsfisis