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  • persistent.xml hibernate 利用sql script 自定义生成 table 表

    <?xml version="1.0" encoding="UTF-8"?>
    <persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"
        version="2.1">
        <persistence-unit name="primary">
            <provider>org.hibernate.ejb.HibernatePersistence</provider>
            <exclude-unlisted-classes>false</exclude-unlisted-classes>
    
            <properties>
                <!-- <property name="javax.persistence.schema-generation.database.action" 
                    value="drop-and-create"/> -->
                <property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect" />
    
    
                <property name="javax.persistence.schema-generation.database.action"
                    value="drop-and-create" />
    
                <property name="javax.persistence.schema-generation.create-source"
                    value="script" />
                <property name="javax.persistence.schema-generation.create-script-source"
                    value="file:///e:/create.sql" />
                <property name="javax.persistence.schema-generation.drop-source"
                    value="script" />
                <property name="javax.persistence.schema-generation.drop-script-source"
                    value="file:///e:/drop.sql" />
    
                <!-- <property name="javax.persistence.sql-load-script-source" value="META-INF/data.sql"/> -->
    
    
    
    
                <!-- 
                <property name="javax.persistence.schema-generation.scripts.action" 
                    value="drop-and-create"/> 
                <property name="javax.persistence.schema-generation.scripts.create-target" 
                    value="./create.sql"/> 
                <property name="javax.persistence.schema-generation.scripts.drop-target" 
                    value="./drop.sql"/> -->
    
    
    
            </properties>
        </persistence-unit>
    </persistence>

     注意:

    sql语句创建的表要和实体bean对应。否则会出错。

    create table Seat (id bigint not null auto_increment, booked bit not null, seat_id bigint, zhibin varchar(25),  primary key (id))
    create table seat_type (id bigint not null auto_increment, description varchar(25) not null, position varchar(255), price integer not null, quantity integer not null, primary key (id))
    alter table Seat add constraint FK9pohag9bkh1suwck1bxtr7cys foreign key (seat_id) references seat_type (id)

    sql文件可以放在meta-inf里面:

    <property name="javax.persistence.sql-load-script-source" value="META-INF/data.sql"/>

    真实路径要在:src/main/resources/META-INF/create.sql

    ./drop.sql是widlfly从哪里运行的当前目录。
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  • 原文地址:https://www.cnblogs.com/bigben0123/p/5504192.html
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