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我只想问一个关于符号的问题。我现在有两张桌子。 create table d_animals (, an_gender varchar2(1) not null, an_name varchar2(10) not null这个是关于猫的： an_id integer primary key
浏览 7修改于2012-11-27得票数 3
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Groovy版本2.4.8 Grails版本2.5.1我构造了两个查询，其中一个没有固定组件，可以很好地工作，但当我取消注释设置公司的行以测试第二个查询运行时，我得到以下异常
org.springframework.orm.hibernate4.HibernateQueryException: Not all named parameters have been set: [firm] [from Advisor a where lower(a.firstName) li
浏览 5修改于2017-02-24得票数 0
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The operation failed: The relationship could not be changed because one or more of the foreign-key propertiesWhen a change is made to a relationship, the related foreign-key property is set to a null value.If the foreign-key does not support null values, a new relationship
浏览 0提问于2016-02-24得票数 1
Price"/>
<foreign-key="CurrentPlaceProduct" onDelete="CASCADE">
<reference local="place_id&quo
浏览 8提问于2018-07-24得票数 1
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</foreign-key> <table name="menu"> </foreign-key> <table name="tags">
<<e
浏览 0修改于2016-02-16得票数 0
我有三个外键指向同一个表： <reference local="siteID" foreign="siteID"/><foreign-key foreignTable="sites"
浏览 0提问于2015-10-09得票数 1
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我得到了以下异常： more of the foreign-keyWhen a change is made
to a relationship, the related foreign-key property is set to a null value.If the foreign-key does not support null values, a new relation
浏览 0修改于2012-11-22得票数 4
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="separator" value="-" /> </behavior>
<reference local="user_id" foreign="id"&#x
浏览 3修改于2015-05-27得票数 0
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" phpName="JobId" type="INTEGER" primaryKey="true" autoIncrement="true" required="true"/>
<reference local="jobId" fo
浏览 10修改于2022-06-16得票数 0
foreignTable="channel"> </foreign-key> <reference local="id_broadcast" foreign="id" />
浏览 1提问于2013-09-05得票数 1
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00:00"/> <index-column name="statusID"/> <foreign-keyforeignTable="status">
<reference local="statusID" foreign="id"/&g
浏览 0修改于2015-08-26得票数 1
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} The relationship could not be changed because one or more of the foreign-keyWhen a change is made to a relationship, the related foreign-key property is set to a null value.If the foreign-key does not support null values, a new relationship mus
浏览 0提问于2013-05-29得票数 3
size="32" required="true" /> <foreign-keyfk_customer_service" foreignTable="service">
<reference local="service_id&quo
浏览 3提问于2015-09-02得票数 2
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foreignTable="song"> </foreign-key> <reference local="artist_id" foreign="id"/>
浏览 0修改于2016-03-29得票数 2
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System.InvalidOperationException: The operation failed: The relationship could not be changed because one or more of the foreign-keyWhen a change is made to a relationship, the related foreign-key property is set to a null value.If the foreign-key does not support null val
浏览 1提问于2013-04-04得票数 0
information: The operation failed: The relationship could not be changed because one or more of the foreign-keyWhen a change is made to a relationship, the related foreign-key property is set to a null value.If the foreign-key does not support null values, a new relationsh
浏览 1修改于2014-12-02得票数 1
RemoveRange时，我得到一个异常：more of the foreign-keyWhen a change is made to aforeign-key does not support null values, a new r
浏览 5修改于2016-11-17得票数 0
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required="true" /> <foreign-keyforeignTable="post" name="post" phpName="postWriter">
<referen
浏览 0修改于2013-04-15得票数 1
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鉴于以下json记录：{"Name":{"type":"String", "value":"Person1"}, "Spouse":{"Type":"foreign-key", "value":"123"}}{"Name":{"type":"String", "value":&
浏览 2提问于2016-10-25得票数 0
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