fix: SQL을 잘못 쓴 이슈,, (#400)

Author: s-hwan

src/main/java/com/gamzabat/algohub/feature/group/studygroup/controller/StudyGroupController.java

@@ -2,8 +2,10 @@
 
 import java.util.List;
 
+import org.springdoc.core.annotations.ParameterObject;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Sort;
 import org.springframework.data.web.PageableDefault;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
@@ -202,7 +204,7 @@ public ResponseEntity<List<GetGroupSettingResponse>> getStudyGroupSettings(@Auth
 	@GetMapping(value = "/groups/search")
 	@Operation(summary = "그룹 검색 API", description = "홈 화면에서 그룹을 검색하는 API")
 	public ResponseEntity<Page<GetGroupResponse>> getSearchedGroupList(@RequestParam String searchPattern,
-		@PageableDefault(size = 20, page = 0) Pageable pageable) {
+		@ParameterObject @PageableDefault(size = 20, sort = "id", direction = Sort.Direction.DESC, page = 0) Pageable pageable) {
 		Page<GetGroupResponse> responses = studyGroupService.getSearchedStudyGroupList(searchPattern, pageable);
 		return ResponseEntity.ok().body(responses);
 	}

src/main/java/com/gamzabat/algohub/feature/group/studygroup/repository/StudyGroupRepository.java

@@ -19,9 +19,9 @@ public interface StudyGroupRepository extends JpaRepository<StudyGroup, Long>, C
 	Optional<StudyGroup> findById(Long id);
 
 	@Query(value = """
-		select sg from StudyGroup sg
+		select * from study_group sg
 		where match (sg.name,sg.introduction)
-		against(:searchPattern in natural language mode) 
+		against(:searchPattern in boolean mode) 
 		""", nativeQuery = true)
 	Page<StudyGroup> findBySearchPattern(@Param("searchPattern") String searchPattern, Pageable pageable);
 }