fix: JPA Entity

spring-for-graphql/src/main/java/com/example/demo/DemoApplication.java

@@ -1,7 +1,13 @@
 package com.example.demo;
 
+import com.example.demo.member.Member;
+import com.example.demo.member.MemberRepository;
+import com.example.demo.member.MemberRole;
+import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+import org.springframework.stereotype.Component;
 
 @SpringBootApplication
 public class DemoApplication {
@@ -10,4 +16,15 @@ public static void main(String[] args) {
 		SpringApplication.run(DemoApplication.class, args);
 	}
 
+	@Bean
+	public CommandLineRunner runner(MemberRepository repository) {
+		return args -> {
+			repository.save(new Member(1L, "member1", MemberRole.NORMAL, 10));
+			repository.save(new Member(2L, "member2", MemberRole.NORMAL, 20));
+			repository.save(new Member(3L, "member3", MemberRole.NORMAL, 30));
+			repository.save(new Member(4L, "member4", MemberRole.ADMIN, 40));
+			repository.save(new Member(5L, "member5", MemberRole.ADMIN, 50));
+		};
+	}
+
 }

spring-for-graphql/src/main/java/com/example/demo/member/Member.java

@@ -1,9 +1,6 @@
 package com.example.demo.member;
 
-import jakarta.persistence.Entity;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
+import jakarta.persistence.*;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -17,6 +14,8 @@ public class Member {
     @Id @GeneratedValue(strategy = GenerationType.AUTO)
     private Long id;
     private String name;
+
+    @Enumerated(value = EnumType.STRING)
     private MemberRole role;
     private int age;
 }

spring-for-graphql/src/main/java/com/example/demo/member/MemberRole.java

@@ -1,5 +1,6 @@
 package com.example.demo.member;
 
+
 public enum MemberRole {
     NORMAL, ADMIN;
 }

spring-for-graphql/src/main/resources/application.yml

@@ -4,4 +4,15 @@ spring:
       enabled: true
     schema:
       printer:
-        enabled: true
+        enabled: true
+  h2:
+    console:
+      path: "/h2-console"
+      enabled: true
+  datasource:
+    url: "jdbc:h2:mem:testDB"
+    username: bo
+    driver-class-name: org.h2.Driver
+  jpa:
+    hibernate:
+      ddl-auto: create