您的查询可能正在被重写,但是通过查看Hibernate SQL日志您不会知道是否。Hibernate不会重写插入语句-
MySQL驱动程序会重写它们。换句话说,Hibernate将向驱动程序发送多个插入语句,然后驱动程序将重写它们。因此,Hibernate日志仅显示向主机发送的SQL
Hibernate,而不是驱动程序向数据库发送的SQL。
您可以通过在连接URL中启用MySQL的profileSQL参数来验证这一点:
<b:property name="jdbcUrl" value="jdbc:mysql://server:3306/db?autoReconnect=true&rewriteBatchedStatements=true&profileSQL=true" />
使用类似于您的示例,这就是我的输出:
insert into Person (firstName, lastName, id) values (?, ?, ?)insert into Person (firstName, lastName, id) values (?, ?, ?)insert into Person (firstName, lastName, id) values (?, ?, ?)insert into Person (firstName, lastName, id) values (?, ?, ?)insert into Person (firstName, lastName, id) values (?, ?, ?)insert into Person (firstName, lastName, id) values (?, ?, ?)insert into Person (firstName, lastName, id) values (?, ?, ?)insert into Person (firstName, lastName, id) values (?, ?, ?)insert into Person (firstName, lastName, id) values (?, ?, ?)insert into Person (firstName, lastName, id) values (?, ?, ?)Wed Feb 05 13:29:52 MST 2014 INFO: Profiler Event: [QUERY] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) duration: 1 ms, connection-id: 81, statement-id: 33, resultset-id: 0, message: insert into Person (firstName, lastName, id) values ('person1', 'Name', 1),('person2', 'Name', 2),('person3', 'Name', 3),('person4', 'Name', 4),('person5', 'Name', 5),('person6', 'Name', 6),('person7', 'Name', 7),('person8', 'Name', 8),('person9', 'Name', 9),('person10', 'Name', 10)Hibernate记录了前10行,尽管实际上不是发送到MySQL数据库。最后一行来自MySQL驱动程序,它清楚地显示了具有多个值的单个批处理插入,这实际上是发送到MySQL数据库的内容。



