Refactor attribute search to fix pagination and multi-attribute search

Browse Source

- Add new search_by_attributes() method that returns matching item_ids
- Refactor search() method to use subquery approach instead of HAVING LIKE
- Fix pagination count issue (#2819) - get_found_rows() now returns correct count
- Enable combined search (attributes OR regular fields)
- GROUP_CONCAT still used for display but removed from search/count logic
- Fixes #2407 - multi-attribute search now works correctly

Related: #2819, #2407, #2722, #2919

...

This commit is contained in:

500 Internal Server Error

Gitea Version: 1.28.0+dev-477-g8b6ad49a5f