如何解决使用SQL播种数据库不会显示我的employee_project数据库
我正在创建一个项目管理应用程序,并且可以在h2-console中查看我的employee_database,project_database,但不能查看employee_project数据库。我正在使用data.sql文件,由于某种原因,在MysqL工作台中列出project_database行的sql文件在它旁边有一个红色x,但是当我在eclipse中打开它时,没有红色x。我很确定这就是为什么它没有出现在h2-console中的原因,但是经过大量在线研究之后,我找不到解决方案。我仍在尝试解决问题,但是如果有一种简单的方法可以解决此问题,而我却完全忽略了该问题,请告诉我。我已附上我的代码的屏幕截图。感谢您的时间和精力。
This is how the data looks like with the red x in MySQL Workbench.
This is the same data file in the eclipse SQL editor tool.
这是我的employee.java文件,project.java和我的主ProjectManagementApplication.java文件。
package com.jrp.pma.entities;
import java.util.List;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.ManyToMany;
@Entity
public class Employee {
@Id
@GeneratedValue(strategy=GenerationType.IDENTITY)
private long employeeId;
private String firstName;
private String lastName;
private String email;
@ManyToMany(cascade = {CascadeType.DETACH,CascadeType.MERGE,CascadeType.REFRESH,CascadeType.PERSIST},fetch = FetchType.LAZY)
@JoinTable(name="project_employee",joinColumns=@JoinColumn(name="employee_id"),inverseJoinColumns = @JoinColumn(name="project_id"))
private List<Project> projects;
public Employee() {
}
public Employee(String firstName,String lastName,String email) {
super();
this.firstName = firstName;
this.lastName = lastName;
this.email = email;
}
public long getEmployeeId() {
return employeeId;
}
public List<Project> getProjects() {
return projects;
}
public void setProjects(List<Project> projects) {
this.projects = projects;
}
public void setEmployeeId(long employeeId) {
this.employeeId = employeeId;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
}
这是我的project.java文件
package com.jrp.pma.entities;
import java.util.ArrayList;
import java.util.List;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.ManyToMany;
@Entity
public class Project {
@Id
@GeneratedValue(strategy=GenerationType.IDENTITY)
private long projectId;
private String name;
private String stage;//NOT STARTED,IN PROGRESS,COMPLETED
private String description;
@ManyToMany(cascade = {CascadeType.DETACH,joinColumns=@JoinColumn(name="project_id"),inverseJoinColumns = @JoinColumn(name="employee_id"))
private List<Employee> employees;
public Project() {
}
public List<Employee> getEmployees() {
return employees;
}
public void setEmployees(List<Employee> employees) {
this.employees = employees;
}
public Project(String name,String stage,String description) {
super();
this.name = name;
this.stage = stage;
this.description = description;
}
public long getProjectId() {
return projectId;
}
public void setProjectId(long projectId) {
this.projectId = projectId;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getStage() {
return stage;
}
public void setStage(String stage) {
this.stage = stage;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
//convenience method
public void addEmployee(Employee emp) {
if(employees == null) {
employees = new ArrayList<>();
}
employees.add(emp);
}
}
这是主要的ProjectManagementApplicationFile.java
package com.jrp.pma;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import com.jrp.pma.dao.EmployeeRepository;
import com.jrp.pma.dao.ProjectRepository;
@SpringBootApplication
public class ProjectManagementApplication {
@Autowired
EmployeeRepository empRepo;
@Autowired
ProjectRepository projRepo;
public static void main(String[] args) {
SpringApplication.run(ProjectManagementApplication.class,args);
}
}
最后,这是我的h2-console的屏幕快照,该屏幕快照未显示project_employee数据库。再次感谢您的时间和精力!
employee database as it shows up in the h2-console
project database as it shows up in the h2-console
employee_project database does not show up in the h2-console
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