[英]PostgreSQL 9.6 DATE column mapping using Hibernate 5+ in Java 8
讓我們考慮一個簡單的Postgres數據庫,它只有一個表和一個列,其類型為DATE,即:
CREATE DATABASE test;
CREATE TABLE test_table
(
date_test DATE NOT NULL DEFAULT CURRENT_DATE
);
從有關基本類型的Hibernate文檔和有關使用Java 8 Date和Time類的PostgresSQL文檔中 ,我可以清楚地看到我應該能夠像這樣映射該表:
@Entity
@Table(name = "test_table")
public class TestTable
{
@Column(name = "date_test")
private LocalDate dateTest;
}
非常容易,無需編寫@Temporal
或類似的東西。 從Hibernate文檔中,我可以閱讀:
因為Java 8 Date / Time類和SQL類型之間的映射是隱式的,所以不需要指定@Temporal批注。 在java.time類上進行設置會引發以下異常: org.hibernate.AnnotationException: @Temporal should only be set on a java.util.Date or java.util.Calendar property
但是,我遇到了一個錯誤
Schema-validation: wrong column type encountered in column [date_test] in table [test_table]; found [date (Types#DATE)], but expecting [bytea (Types#VARBINARY)]
在我的pom.xml
文件中,我得到了:
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>9.4-1206-jdbc42</version>
</dependency>
而且由於我也使用Spring Boot,因此在application.properties
spring.jpa.database-platform=org.hibernate.dialect.PostgreSQL9Dialect
我對文檔有誤嗎? 我應該編寫一個Converter還是其他方法?
編輯
目前,我的pom.xml
文件如下所示:
<?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>groupId</groupId>
<artifactId>Invoices-desktop</artifactId>
<version>1.0-SNAPSHOT</version>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
<resources>
<!-- copy fxml and css resources -->
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.fxml</include>
<include>**/*.css</include>
<include>**/*.properties</include>
</includes>
</resource>
<resource>
<directory>src/CurrencyDemo/java</directory>
<includes>
<include>**/*.fxml</include>
<include>**/*.css</include>
<include>**/*.properties</include>
</includes>
</resource>
<resource>
<directory>src/main/resources</directory>
<includes>
<include>**/*.*</include>
</includes>
</resource>
</resources>
</build>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<start-class>com.Main</start-class>
<java.version>1.8</java.version>
</properties>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.3.RELEASE</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
<version>1.5.6.RELEASE</version>
<exclusions>
<exclusion>
<artifactId>org.hibernate</artifactId>
<groupId>hibernate-core</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>9.4-1206-jdbc42</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>5.4.1.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>5.2.10.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate.javax.persistence</groupId>
<artifactId>hibernate-jpa-2.1-api</artifactId>
<version>1.0.0.Final</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-CurrencyDemo</artifactId>
<scope>CurrencyDemo</scope>
</dependency>
<dependency>
<groupId>com.ibm.icu</groupId>
<artifactId>icu4j</artifactId>
<version>59.1</version>
</dependency>
<dependency>
<groupId>org.apache.pdfbox</groupId>
<artifactId>pdfbox</artifactId>
<version>2.0.7</version>
</dependency>
</dependencies>
</project>
現在我得到:
java.lang.NoSuchMethodError:org.hibernate.engine.spi.SessionFactoryImplementor.getProperties()Ljava/util/Properties;
您應該使用較新版本的Hibernate。
我不能說哪個版本開始支持Java 8 Dates,但是在我的項目中我使用了hibernate-core:5.2.6.Final 。
我在使用spring-boot-starter-data-jpa:1.5.6.RELEASE時遇到類似的問題,這取決於hibernate-core:5.0.12.Final 。
注意 :如果使用spring-boot-starter-data-jpa ,則應從依賴項中排除hibernate-core 。
感謝Ruslan K.的建議和這個答案https://stackoverflow.com/a/44455146/4671908,我能夠正確地修改pom.xml
。 不幸的是spring-boot-starter-data-jpa 1.5.6.RELEASE
本身不支持最新的Hibernate修改,因此我從pom.xml
排除了hibernate-core
和hibernate-entitymanager
,現在看起來像這樣
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
<version>1.5.6.RELEASE</version>
<exclusions>
<exclusion>
<artifactId>org.hibernate</artifactId>
<groupId>hibernate-core</groupId>
</exclusion>
<exclusion>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>5.2.10.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>5.2.10.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate.javax.persistence</groupId>
<artifactId>hibernate-jpa-2.1-api</artifactId>
<version>1.0.0.Final</version>
</dependency>
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