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optimize(backend): batch query for /api/categories && /api/tags

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netcat
2025-08-14 14:19:04 +08:00
parent 7a0afedc7c
commit 0058f20b1e
4 changed files with 42 additions and 8 deletions
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6
backend/src/main/java/com/openisle/repository/PostRepository.java
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@@ -92,8 +92,14 @@ public interface PostRepository extends JpaRepository<Post, Long> {
long countByCategory_Id(Long categoryId);
@Query("SELECT c.id, COUNT(p) FROM Post p JOIN p.category c WHERE c.id IN :categoryIds GROUP BY c.id")
List<Object[]> countPostsByCategoryIds(@Param("categoryIds") List<Long> categoryIds);
long countDistinctByTags_Id(Long tagId);
@Query("SELECT t.id, COUNT(DISTINCT p) FROM Post p JOIN p.tags t WHERE t.id IN :tagIds GROUP BY t.id")
List<Object[]> countPostsByTagIds(@Param("tagIds") List<Long> tagIds);
long countByAuthor_Id(Long userId);
@Query("SELECT FUNCTION('date', p.createdAt) AS d, COUNT(p) AS c FROM Post p " +