我试图将我的订单对象保存在与表pastaIndividual具有多对一关系的数据库中。GenericADOException:无法插入
但是,我得到这个异常:
Error: NHibernate.Exceptions.GenericADOException: could not insert: [FrancosPoS.DBMapping.order][SQL: INSERT INTO order (price, cash, credit, obs) VALUES (?, ?, ?, ?);SELECT LAST_INSERT_ID()] ---> MySql.Data.MySqlClient.MySqlException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'order (price, cash, credit, obs) VALUES ('123', 1, 0, 'Nhibernate');SELECT LAST_' at line 1
这里是我的命令映射表:
<?xml version="1.0" encoding="utf-8"?>
<hibernate-mapping assembly="FrancosPoS" namespace="FrancosPoS.DBMapping" xmlns="urn:nhibernate-mapping-2.2">
<class name="order" table="order" lazy="true" >
<id name="idOrder">
<generator class="identity" />
</id>
<set name="pastaIndividual" table="pasta_individual" cascade="save-update">
<key column="idPastaI"/>
<one-to-many class="pastaIndividual"/>
</set>
<!--<many-to-one insert="false" update="false" lazy="false" name="pastaIndividual" class="FrancosPoS.DBMapping.pastaIndividual">
<column name="idPastaI" sql-type="int(11)" not-null="false" />
</many-to-one>-->
<many-to-one insert="false" update="false" lazy="false" name="pastaCombo" class="FrancosPoS.DBMapping.pastaCombo">
<column name="idPastaC" sql-type="int(11)" not-null="false" />
</many-to-one>
<many-to-one insert="false" update="false" lazy="false" name="pastaFeast" class="FrancosPoS.DBMapping.pastaFeast">
<column name="idPastaF" sql-type="int(11)" not-null="false" />
</many-to-one>
<many-to-one insert="false" update="false" lazy="false" name="salad" class="FrancosPoS.DBMapping.salad">
<column name="idSalad" sql-type="int(11)" not-null="false" />
</many-to-one>
<many-to-one insert="false" update="false" lazy="false" name="drink" class="FrancosPoS.DBMapping.drink">
<column name="idDrink" sql-type="int(11)" not-null="false" />
</many-to-one>
<property name="price">
<column name="price" sql-type="decimal(8,4)" not-null="true" />
</property>
<property name="cash">
<column name="cash" sql-type="tinyint(1)" not-null="false" />
</property>
<property name="credit">
<column name="credit" sql-type="tinyint(1)" not-null="false" />
</property>
<property name="obs">
<column name="obs" sql-type="varchar(150)" not-null="false" />
</property>
</class>
</hibernate-mapping>
这里是我的pastaIndividual映射:
<?xml version="1.0" encoding="utf-8"?>
<hibernate-mapping assembly="FrancosPoS" namespace="FrancosPoS.DBMapping" xmlns="urn:nhibernate-mapping-2.2">
<class name="pastaIndividual" table="pasta_individual" lazy="true" >
<id name="idPastaI">
<generator class="identity" />
</id>
<property name="type">
<column name="type" sql-type="varchar(25)" not-null="true" />
</property>
<property name="price">
<column name="price" sql-type="decimal(8,4)" not-null="true" />
</property>
</class>
</hibernate-mapping>
我已经尝试在订单映射中使用<set>
或只是<many-to-one>
,但发生相同的错误。
也许我缺少一些反性质?
谢谢。
您正在使用语法元素作为列名称而无需转义,我想这就是为什么您的插入失败。 – Andreas 2012-04-27 17:40:46