I'm going to post this here even though I already have a workaround, but this is definitely a Salesforce Visualforce bug.

When adding an <apex:outputField> for the LastModifiedById field for the User record on a Visualforce Page. the page crashes with the following error:

System.SObjectException: SObject row was retrieved via SOQL without querying the requested field: User.LastModifiedBy**

It can be easily reproduced by creating a simple VF page:

<apex:page controller="testusercontroller">
    <apex:outputField value="{!me.LastmodifiedById}"/>

And a simple controller

public with sharing class testusercontroller {
    public User getMe(){
        return [select CreatedById, LastmodifiedById from User where Id =:UserInfo.getUserId()];

If you change the <apex:outputField> to display the CreatedById field, everything works fine. Only LastModifiedById crashes.


The workaround is to change the query to include LastModifedBy.Id and LastModifedBy.Name like this:

 public with sharing class testusercontroller {
     public User getMe(){
      return [select CreatedById, LastmodifiedBy.Id, LastmodifiedBy.Name from User where Id =:UserInfo.getUserId()];

Hopefully this helps others as I didn't find any reference to this anywhere.

  • Hi Alex, welcome to SFSE! Please take a brief moment to visit the help center and read How to Ask and How to Answer. If you want to post an ask-and-answer combo, the answer portion should be a separate answer post (below). – Adrian Larson Feb 2 '17 at 15:29
  • @alex-sartogo Is your query return value – Reshma Feb 3 '17 at 5:12

I think it's more because of the nature of outputfield. For reference fields (relationship fields), outputfield generates a link wherein the text is the record name and link points to record details page. So, by nature it needs both name and id of the linked record. I believe this is what is causing the error, which gets taken care of when you specifically add those additional fields in your query.

Can't say a bug, but error message may be modified for better problem description.

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