Is there any way to return nothing or boolean in mutations?

[alexche8]

Want to create simple mutation that returns null or True like described there
ardatan/graphql-tools#277 (comment)

Can someone provide example in graphql-python of that query?

type Mutation {
  forgottenPassword(email: String!): Boolean
}

[waxisien]

Hi, something like this :

class ForgottenPassword(graphene.Mutation):
    class Input:
        email = graphene.String(required=True)

    ok = graphene.Boolean()

    @staticmethod
    def mutate(root, args, context, info):
        print 'Send email to ', args['email']
        return ForgottenPassword(ok=True)


class MyMutations(graphene.ObjectType):
    forgotten_password = ForgottenPassword.Field()

Look at http://docs.graphene-python.org/en/latest/types/mutations/

[alexche8]

Got it, thanks.

[gonzalezzfelipe]

I'll leave this here in case it is useful for someone. What I wanted to implement is for the payload to directly be the boolean, and I got to do it by writing:

class ForgottenPassword(graphene.Mutation):
    class Input:
        email = graphene.String(required=True)

    Output = graphene.Boolean

    @staticmethod
    def mutate(root, args, context, info):
        print 'Send email to ', args['email']
        return True


class MyMutations(graphene.ObjectType):
    forgotten_password = ForgottenPassword.Field()