CODEWITHSUNDEEP
grailsgrails-2.0grails-domain-class
Michael
Michael

Reputation: 33307

How to set default value for Domain Class Values in Grails 2.2?

In my Grails domain class I want to set default values which do persist in the database. I use mysql as database. I tried to do this:

class A {

   long someValue = 1
   long someOtherValue
   boolean someBool = true
   boolean someOtherBool

   static mapping = {
      someOtherValue defaultValue: 1
      someOtherBool defaultValue: true  
   }
}

But nothing works. There are no default values set in the database. What do I have to change to get my default values being set correctly?

Upvotes: 6

Views: 14864

Answers (3)

MikeZoo
MikeZoo

Reputation: 23

class A {

   long someValue
   long someOtherValue
   boolean someBool = Boolean.TRUE
   boolean someOtherBool = Boolean.TRUE

   static mapping = {
      someValue defaultValue: '1'
      someOtherValue defaultValue: '1'
   }
}

This will work, tested in 2.2.3.

Upvotes: 2

Ed OConnor-Giles
Ed OConnor-Giles

Reputation: 716

I found that for defaultValue to work with String properties, I needed to put double quotes around single quotes and for defaultValue to work for numeric properties, I needed to put double quotes around the number or the defaults wouldn't appear in the DDL. So, for instance:

static mapping = {
   myStringProperty defaultValue: "'Cash'"
   myIntProperty defaultValue: "0"
}

Also, as far as I can tell, default values do not work for properties that are enums.

Upvotes: 2

Alidad
Alidad

Reputation: 5538

If you are on Grails 2.2 above then you can use defaultValue. Look at Burt's answer here Try it, hope this helps: 

Class A {
      Long someValue 
      Long someOtherValue

      Boolean someBool
      Boolean someOtherBool

     static mapping = {
        someOtherValue defaultValue: 1
        someOtherBool  defaultValue: true  
        ...
     } 

}

Upvotes: 6

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