批量添加数据库
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select count(*) from APPLY_OPEN a where to_char(a.add_date,'yyyy-MM-dd') = (select to_char
(sysdate,'yyyy-MM-dd') from dual)
select count(*) from APPLY_OPEN a where to_char(a.add_date,'yyyy-MM') = (select to_char
(sysdate,'yyyy-MM') from dual)
select count(*) from APPLY_OPEN a where to_char(a.add_date,'yyyy') = (select to_char
(sysdate,'yyyy') from dual)
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
for ( int i=0; i<100000; i++ ) {
Customer customer = new Customer(.....);
session.save(customer);
if ( i % 20 == 0 ) {
//20，与JDBC批量设置相同
//将本批插入的对象立即写入数据库并释放内存
session.flush();
session.clear();
}
}
tx.commit();
session.close();
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