[FIX] Entity間の関係を修正しました。

src/main/java/com/example/demo/app/infra/entity/AllocationEntity.java

@@ -26,7 +26,8 @@ public class AllocationEntity {
 	private CategoryEntity categoryEntity;
 
 	@Id
-	@OneToOne(mappedBy = "courseId", fetch = FetchType.LAZY)
+	@OneToOne(fetch = FetchType.LAZY)
+	@JoinColumn(name = "course_id")
 	private CourseEntity courseEntity;
 	
 	@Column(name = "allocation_ratio", nullable = false)

src/main/java/com/example/demo/app/infra/entity/CategoryEntity.java

@@ -1,10 +1,13 @@
 package com.example.demo.app.infra.entity;
 
+import java.util.List;
+
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
+import jakarta.persistence.OneToMany;
 import jakarta.persistence.Table;
 
 import lombok.AllArgsConstructor;
@@ -28,4 +31,10 @@ public class CategoryEntity {
 
 	@Column(name = "transaction_type", nullable = false)
 	private Integer transactionType;
+	
+	@OneToMany(mappedBy = "categoryEntity")
+	private List<TransactionEntity> transactionEntity;
+	
+	@OneToMany(mappedBy = "categoryEntity")
+	private List<AllocationEntity> allocationEntity;
 }

src/main/java/com/example/demo/app/infra/entity/CourseEntity.java

@@ -1,9 +1,13 @@
 package com.example.demo.app.infra.entity;
 
+import java.util.List;
+
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.OneToOne;
 import jakarta.persistence.Table;
 
 import org.springframework.data.annotation.Id;
@@ -31,4 +35,10 @@ public class CourseEntity {
 	 @Column(name = "description", nullable = false)
 	 private String description;
 	 
+	 @OneToMany(mappedBy = "courseEntity")
+	 private List<UserEntity> userEntity;
+	 
+	 @OneToOne(mappedBy = "courseEntity")
+	 private List<AllocationEntity> allocationEntity;
+	 
 }

src/main/java/com/example/demo/app/infra/entity/GoalEntity.java

@@ -7,6 +7,7 @@ import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
+import jakarta.persistence.OneToOne;
 import jakarta.persistence.Table;
 
 import lombok.AllArgsConstructor;
@@ -40,4 +41,7 @@ public class GoalEntity {
 	@Column(name = "goal_complete", nullable = false)
 	private Integer goalComplete;
 	
+	@OneToOne(mappedBy = "goalEntity")
+	private UserEntity userEntity;
+
 }

src/main/java/com/example/demo/app/infra/entity/QuestionEntity.java

@@ -1,10 +1,13 @@
 package com.example.demo.app.infra.entity;
 
+import java.util.List;
+
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
+import jakarta.persistence.OneToMany;
 import jakarta.persistence.Table;
 
 import lombok.AllArgsConstructor;
@@ -26,4 +29,7 @@ public class QuestionEntity {
 	@Column(name = "question_text", nullable = false)
 	private String questionText;
 
+	@OneToMany(mappedBy = "QuestionEntity")
+	private List<UserEntity> userEntity;
+	
 }

src/main/java/com/example/demo/app/infra/entity/TransactionEntity.java

@@ -35,11 +35,11 @@ public class TransactionEntity {
 	private LocalDate transactionDate;
 
 	@ManyToOne(fetch = FetchType.LAZY)
-	@JoinColumn(name = "userId")
+	@JoinColumn(name = "user_id")
 	private UserEntity userEntity;
 	
 	@ManyToOne(fetch = FetchType.LAZY)
-	@JoinColumn(name = "categoryId")
+	@JoinColumn(name = "category_id")
 	private CategoryEntity categoryEntity;
 
 }

src/main/java/com/example/demo/app/infra/entity/UserEntity.java

@@ -1,6 +1,7 @@
 package com.example.demo.app.infra.entity;
 
 import java.time.LocalDate;
+import java.util.List;
 
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
@@ -10,6 +11,7 @@ import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
 import jakarta.persistence.JoinColumn;
 import jakarta.persistence.ManyToOne;
+import jakarta.persistence.OneToMany;
 import jakarta.persistence.OneToOne;
 import jakarta.persistence.Table;
 
@@ -56,11 +58,14 @@ public class UserEntity {
 	@Column(name = "delete_flag", nullable = false)
 	private Integer deleteFlag;
 
+	@OneToMany(mappedBy = "userEntity")
+	private List<TransactionEntity> transactionEntity;
+	
 	@ManyToOne(fetch = FetchType.LAZY)
 	@JoinColumn(name = "question_id")
 	private QuestionEntity questionEntity;
 	
-	@OneToOne(mappedBy = "goalId", fetch = FetchType.LAZY)
+	@OneToOne(fetch = FetchType.LAZY)
 	@JoinColumn(name = "goal_id")
 	private GoalEntity goalEntity;