JPA 샘플 클래스 MyEntity

✔️ MySQL에서 테스트하였습니다.

1 개요[ | ]

JPA 샘플 클래스 MyEntity

package com.example.myapp;

import java.io.Serializable;
import java.math.BigDecimal;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Date;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.Calendar;
import java.util.Currency;
import java.util.Locale;
import java.util.TimeZone;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;

@Entity
public class MyEntity {
	@Id private Long id;
	
	@Column private Integer myInteger;
	@Column private Long myLong;
	@Column private Short myShort;
	@Column private Float myFloat;
	@Column private Double myDouble;
	@Column private String myString;
	@Column private Byte myByte;
	@Column private Byte[] myBytes;
	@Column private Boolean myBoolean;
	@SuppressWarnings("rawtypes")
	@Column private Class myClass;

	// java.sql
	@Column private Timestamp myTimestamp;
	@Column private Date myDate;
	@Column private Time myTime;

	// java.math
	@Column private BigDecimal myBigDecimal;
	
	// java.io
	@Column private Serializable mySerializable;
	
	// java.sql
	@Column private Clob myClob;
	@Column private Blob myBlob;

	// java.util
	@Column private Calendar myCalendar;
	@Column private Locale myLocale;
	@Column private TimeZone myTimeZone;
	@Column private Currency myCurrency;
}

2 결과 테이블 my_entity[ | ]

테이블명, 컬럼명은 스네이크 표기법으로 바뀐다.
컬럼의 순서는 컬럼명 순이다.

#	DB컬럼명	DB자료형	원래 Java자료형
1	id	bigint(20)	Long
2	my_big_decimal	decimal(19,2)	BigDecimal
3	my_blob	longblob	Blob
4	my_boolean	bit(1)	Boolean
5	my_byte	tinyint(4)	Byte
6	my_bytes	tinyblob	Byte[]
7	my_calendar	datetime	Calendar
8	my_class	varchar(255)	Class
9	my_clob	longtext	Clob
10	my_currency	varchar(255)	Currency
11	my_date	date	Date
12	my_double	double	Double
13	my_float	float	Float
14	my_integer	int(11)	Integer
15	my_locale	varchar(255)	Locale
16	my_long	bigint(20)	Long
17	my_serializable	tinyblob	Serializable
18	my_short	smallint(6)	Short
19	my_string	varchar(255)	String
20	my_time	time	Time
21	my_time_zone	varchar(255)	TimeZone
22	my_timestamp	datetime	Timestamp

3 같이 보기[ | ]