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Breaking change 2021 Wave 1

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Posted on by Henk van Boeijen 5

Recently, Microsoft pushed the 2021 Wave 1 release on all of our Dynamics 365 online environments.

And it introduced a breaking change!

For many versions we could write QueryExpression queries and specify no columns at all or omitting the default primary key column, knowing the Entity records returned always have the Id attribute populated.

Not any more! When a QueryExpression does not specify the primary key column explicitly, the Id property equals Guid.Empty.

Since this change in behavior affects a lot of basic software components I am wondering: anyone else experienced this behavior? Could we expect this, i.e. is this documented behavior or simply a nasty error?

  • a33ik Profile Picture
    a33ik 84,323 Most Valuable Professional on at
    RE: Breaking change 2021 Wave 1

    Hello,

    I wrote a simple console app and I can't reproduce this behavior. Can you please tell what's the version of the instance you can reproduce the issue you describe, provide the brief code and your scenario?

    Here is what I have:

    Version: 9.2.21035.00186

    Scenario: Console application that gets 10 first accounts.

    Code:

    var connString = ConfigurationManager.AppSettings["CrmConnectionString"];

var service = new CrmServiceClient(connString);

var query = new QueryExpression("account")
{
    ColumnSet = new ColumnSet(false),
    TopCount = 10
};

service.RetrieveMultiple(query).Entities.ToList().ForEach(a => System.Console.WriteLine(a.Id));

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