使用hibernate3-maven-plugin和Postgre配置hibernate.reveng.xml以检测序列PK生成器

Question

有没有一种方法可以配置hibernate3-maven-plugin为检测序列生成器primary-key？我正在使用一种自下而上的hibernate配置方法（这意味着让您在现有数据库架构上hibernate-tools使用a生成休眠配置）。我读过这个，而且这已经（这两个可能是不相关的，也可以留下一个提示）。我的如下：jdbc-connectionreverse-engineeringhibernate.reveng.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-reverse-engineering 
 SYSTEM "http://hibernate.sourceforge.net/hibernate-reverse-engineering-3.0.dtd" >

<hibernate-reverse-engineering>
    <table name="ORDERS">
        <primary-key>
            <!-- setting up a specific id generator for a table -->
            <generator class="sequence">
                <param name="sequence">ORDERS_ORDER_ID_seq</param>
            </generator>
            <key-column name="ORDER_ID"/>
        </primary-key>
    </table>
</hibernate-reverse-engineering>

我期望它生成这样的Orders.hbm.xml文件：

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- Generated 2010-06-06 18:55:42 by Hibernate Tools 3.2.2.GA -->
<hibernate-mapping>
    <class name="some.package.Orders" table="orders" schema="public">
        <id name="orderId" type="long">
            <column name="order_id" />
            <generator class="sequence">
                <param name="sequence">ORDERS_ORDER_ID_seq</param>
            </generator>
        </id>
    ...
    </class>
</hibernate-mapping>

...但是却收到了：

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- Generated 2010-06-06 18:55:42 by Hibernate Tools 3.2.2.GA -->
<hibernate-mapping>
    <class name="some.package.Orders" table="orders" schema="public">
        <id name="orderId" type="long">
            <column name="order_id" />
            <generator class="assigned" />
        </id>
    ...
    </class>
</hibernate-mapping>

我知道我hibernate.reveng.xml正在被读取hibernate3-maven-plugin，因为只要文件中出现语法错误，我都会遇到Maven错误，因此pom.xml看来是正确的，而且在hibernate.reveng.xml语法上也是正确的。

有什么线索吗？

Answer 1

下面的代码最终为我工作。我只需order要用小写形式传递表名（我在DDL中使用了大写字母，所以我实际上听不懂，但这是可行的）。还schema需要提供属性。该<key-column name="pkey"/>是可选的（如果你遵循休眠命名约定）。

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-reverse-engineering 
 SYSTEM "http://hibernate.sourceforge.net/hibernate-reverse-engineering-3.0.dtd" >

<hibernate-reverse-engineering>
    <table name="orders" schema="public">
        <primary-key>
            <!-- setting up a specific id generator for a table -->
            <generator class="sequence">
                <param name="sequence">ORDERS_ORDER_ID_seq</param>
            </generator>
        </primary-key>
    </table>
</hibernate-reverse-engineering>