2012-01-17 62 views
0

我的Alert有很多Location對象,我有連接表alert_locationsGrails加入表列名

生成的列有:

alerts_locations_id(我想這是alert_id

location_id

這裏是我的域對象:Grails的的

class Alerts { 

    static hasMany = [locations:Locations,notifications:Notifications] 

    Date alertDateTime 
    String pest 
    String crop 

    static constraints = { 
     alertDateTime (blank:false) 

     pest (blank:false) 
     crop (blank:false) 
    } 
} 
+0

可能重複控制連接表](http://stackoverflow.com/question S/8897524/Grails的控制聯接表) – 2012-01-17 16:51:28

回答

3
static mapping = { 
    locations joinTable:[column:"location_id", key:"alert_id"]