[SalesForce] How to serialize an object as JSON

I have an object that's pretty extensive (lots of properties and child relationships). I'd like to serialize it. So I am doing the following:

Proposal__c proposal = (Proposal__c) getRecord();
String s = JSON.serialize(proposal);

The output:

{"attributes":      
    {
       "type":"WWK_Proposal__c",
       "url":"/services/data/v29.0/sobjects/WWK_Proposal__c/a0cM0000001BfBLIA0"
    },
    "Id":"a0cM0000001BfBLIA0"
}

And that is all. How can I get the entire object serialized, perhaps even including its child relationships?

Best Answer

You probably need to query more fields to expose them in your serialization. It would help if you posted your getRecord() code, but the following ought to work:

SObject getRecord()
{
    List<String> fieldsToQuery = Proposal__c.SObjectType.getDescribe().fields.getMap().values();
    String fields = String.join(fieldsToQuery, ', ');
    String soqlQuery = String.format('SELECT {0} FROM Proposal__c LIMIT 1', new List<String> { fields });
    return Database.query(soqlQuery)
}

Proposal__c proposal = (Proposal__c) getRecord();
String s = JSON.serialize(proposal);
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