THE 1995 DevOps Note

package com.example.demo.hr;

import java.sql.Date;
import java.util.List;

import org.hibernate.annotations.BatchSize;

import com.fasterxml.jackson.annotation.JsonIgnore;

import jakarta.annotation.Generated;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.JoinColumn;
import jakarta.persistence.ManyToMany;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.OneToMany;
import jakarta.persistence.Table;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.ToString;

@Data
@ToString(exclude={"job","manager","dept"})
@AllArgsConstructor
@NoArgsConstructor
@Builder
@Entity
@Table(name="tbl_employees")
public class EmpEntity {

	
	@Id
	@GeneratedValue(strategy = GenerationType.IDENTITY)
	Long employee_id;
	
	String first_name;
	String last_name;
	String email;
	String phone_number;
	Date hire_date;
	
	@ManyToOne(fetch = FetchType.LAZY)
	@JoinColumn(name="job_id")//생성시 칼럼 이름은 //외래키 만드는 구문
	JobEntity job;
	
	Long salary;
	Double commission_pct;
	//fetch는 조회연관,cascade는 DML 연관 (나의 ENTITY 변화가 연관관계 ENTITY 영향)
	@ManyToOne
	@JoinColumn(name="manager_id")//생성시 칼럼 이름은 //외래키 만드는 구문
	EmpEntity manager;
	
	
	@ManyToOne(cascade =CascadeType.ALL ,
			fetch=FetchType.LAZY)
	@JoinColumn(name="department_id")//생성시 칼럼 이름은 //외래키 만드는 구문
	DeptEntity dept;
	


}