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我Alert有很多Location对象，我有连接表alert_locations。

生成的列是：

alerts_locations_id（我希望这是alert_id）

location_id

这是我的域对象：

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)
    }
}
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1 回答 1

3 
static mapping = {
    locations joinTable:[column:"location_id", key:"alert_id"]
于 2012-01-17T17:02:13.403 回答