feat: DiaryGeohash 도메인 추가 (geohash 문자열 저장용)

Author: dnzp75

src/main/java/com/example/log4u/domain/diary/entity/DiaryGeoHash.java

@@ -0,0 +1,29 @@
+package com.example.log4u.domain.diary.entity;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Entity
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+@Builder
+@Table(name = "DiaryGeoHash")
+public class DiaryGeoHash {
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	private Long id;
+
+	private Long diaryId;
+
+	private String geohash;
+}

src/main/java/com/example/log4u/domain/diary/repository/DiaryGeoHashRepository.java

@@ -0,0 +1,18 @@
+package com.example.log4u.domain.diary.repository;
+
+import java.util.List;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+
+import com.example.log4u.domain.diary.entity.DiaryGeoHash;
+
+import io.lettuce.core.dynamic.annotation.Param;
+
+public interface DiaryGeoHashRepository extends JpaRepository<DiaryGeoHash, Long> {
+
+	@Query("SELECT d.diaryId FROM DiaryGeoHash d WHERE d.geohash = :geohash")
+	List<Long> findDiaryIdByGeohash(@Param("geohash") String geohash);
+
+	DiaryGeoHash findByDiaryId(Long diaryId);
+}