我在PostgreSQL中有一个表:
CREATE TABLE "UTILISATEUR"(
"IdUtilisateur" serial NOT NULL,
"Nom" character varying(50),
"Prenom" character varying(50),
"Profil" character varying(50),
"Pseudo" character varying(20),
"IdSite" integer DEFAULT 0,
"Password" character varying(1024),
id_role integer,
)
我正在尝试对这个表格进行映射,因此我使用了 JPA 注释 @Table
(见下文)。这是我的 application.properties
:
spring.datasource.url = jdbc:postgresql://localhost/baseecu
spring.datasource.username = postgres
spring.datasource.password =root
spring.datasource.driverClassName=org.postgresql.Driver
spring.jpa.database = MYSQL
spring.jpa.show-sql = true
spring.jpa.hibernate.ddl-auto=update
spring.jpa.hibernate.naming-strategy = org.hibernate.cfg.ImprovedNamingStrategy
spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL5InnoDBDialect
最后,这是我的实体类:
@Entity
@Table(name="UTILISATEUR")
public class Utilisateur {
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
@Column(name="IdUtilisateur")
public Long id ;
public String Nom ;
public String Prenom ;
public String Profil ;
public String Pseudo ;
public String Password ;
@ManyToOne
@JoinColumn(name="id_role")
public Role role ;
public Long getId() {
return id;
如果我像这样写@Table(name="UTILISATEUR")
,我会从PostgreSQL收到消息
ERREUR: la relation « utilisateur » n'existe pas
当我尝试转义引号时,@Table(name="\"UTILISATEUR\"")
ERROR: syntax error at or near "`"
我尝试了这个问题的回答,但它没有起作用。
Spring boot JPA insert in TABLE with uppercase name with Hibernate
更新
我一直在搜索ImprovedNamingstrategy,它似乎是Spring Boot的一个问题,所以我使用了EJB3NamingStrategy和DefaultNamingStrategy,但它们都不起作用。有趣的是当Hibernate执行SQL时,结果非常令人困惑:
Hibernate: select utilisateu0_.IdUtilisateur as IdUtilis1_2_, utilisateu0_.Nom as Nom2_2_, utilisateu0_.Password as Password3_2_, utilisateu0_.Prenom as Prenom4_2_, utilisateu0_.Profil as Profil5_2_, utilisateu0_.Pseudo as Pseudo6_2_, utilisateu0_.id_role as id_role7_2_ from UTILISATEUR utilisateu0_
好像它知道表名是大写的,但不想映射,或者我不知道哪里出了问题。这是使用的结果。
spring.jpa.hibernate.naming-strategy = org.hibernate.cfg.DefaultNamingStrategy
or
spring.jpa.hibernate.naming_strategy = org.hibernate.cfg.DefaultNamingStrategy
同时也是EJB3NamingStrategy的结果。
当我使用类似于这样的注释时,也是这个结果。
@Table(name="UTILISATEUR")
我也试过这样的方法。
@Table(name="\"UTILISATEUR\"")
我遇到了这个问题。
ERROR: syntax error at or near "`"
Hibernate: select utilisateu0_.IdUtilisateur as IdUtilis1_2_, utilisateu0_.Nom as Nom2_2_, utilisateu0_.Password as Password3_2_, utilisateu0_.Prenom as Prenom4_2_, utilisateu0_.Profil as Profil5_2_, utilisateu0_.Pseudo as Pseudo6_2_, utilisateu0_.id_role as id_role7_2_ from `UTILISATEUR` utilisateu0_
最后这是我的pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.xx.MDValidation</groupId>
<artifactId>xx.MDValidation</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>xx.MDValidation</name>
<description>Projet Validation xx</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.3.2.RELEASE</version>
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<java.version>1.8</java.version>
<hibernate.version>4.2.21.Final</hibernate.version>
<commons-dbcp.version>1.2.2</commons-dbcp.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>9.1-901.jdbc4</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jooq</artifactId>
</dependency>
<dependency>
<groupId>bsf</groupId>
<artifactId>bsf</artifactId>
<version>2.4.0</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>