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[Refactor] 인덱스 기반 게시글 검색 성능 최적화 #42

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[Refactor] 인덱스 기반 게시글 검색 성능 최적화 #42

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43 changes: 30 additions & 13 deletions src/main/java/com/everytime/domain/post/repository/PostSearchRepository.java
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Original file line number Diff line number Diff line change
Expand Up @@ -13,26 +13,43 @@
public interface PostSearchRepository extends JpaRepository<Post, Long> {

// 특정 카테고리 내 검색
@Query("""
SELECT p FROM Post p
WHERE p.category = :category
AND (
LOWER(p.title) LIKE LOWER(CONCAT('%', :keyword, '%'))
OR LOWER(p.content) LIKE LOWER(CONCAT('%', :keyword, '%'))
)
""")
@Query(
value = """
SELECT p FROM Post p
WHERE p.category = :category
AND (
LOWER(p.title) LIKE LOWER(CONCAT('%', :keyword, '%'))
OR LOWER(p.content) LIKE LOWER(CONCAT('%', :keyword, '%'))
)
""",
countQuery = """
SELECT COUNT(p.id) FROM Post p
WHERE p.category = :category
AND (
LOWER(p.title) LIKE LOWER(CONCAT('%', :keyword, '%'))
OR LOWER(p.content) LIKE LOWER(CONCAT('%', :keyword, '%'))
)
"""
)
Page<Post> searchPosts(
@Param("category") Category category,
@Param("keyword") String keyword,
Pageable pageable
);

// 전체 카테고리 대상 검색 (ALL)
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@chaeyuuu chaeyuuu Nov 27, 2025

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검색에서 전체 카테고리 대상이 아닌 8개 카테고리 제한이니 이 부분만 헷갈리지 않게 주석 변경해두면 좋을거같아요!!

@Query("""
SELECT p FROM Post p
WHERE LOWER(p.title) LIKE LOWER(CONCAT('%', :keyword, '%'))
OR LOWER(p.content) LIKE LOWER(CONCAT('%', :keyword, '%'))
""")
@Query(
value = """
SELECT p FROM Post p
WHERE LOWER(p.title) LIKE LOWER(CONCAT('%', :keyword, '%'))
OR LOWER(p.content) LIKE LOWER(CONCAT('%', :keyword, '%'))
""",
countQuery = """
SELECT COUNT(p.id) FROM Post p
WHERE LOWER(p.title) LIKE LOWER(CONCAT('%', :keyword, '%'))
OR LOWER(p.content) LIKE LOWER(CONCAT('%', :keyword, '%'))
"""
)
Page<Post> searchAll(
@Param("keyword") String keyword,
Pageable pageable
Expand Down