To check if a query returns more Fields than when you created it and defined its persistent fields

SELECT Field1,
       Field2,
       'hello' AS [LiteralText],
       5 AS [LiteralNumber],
       @Variable AS [ValueFromVariable]
FROM TableName;

INSERT INTO dbo.PIT_Inspection (FK_Sequence, FK_Status, FK_Shift, FK_EmployeeName,
         FK_EquipmentName, Comments, EnteredDate)
    SELECT 
        FK_Sequence, FK_Status, FK_Shift, @EmployeeIdPK, 
        EquipmentId, Comments, EnteredDate
    FROM 
        @dataTableType;

WITH BasicOutput AS 
(
SELECT    
    messageId,
    deviceId,
    temperature,
    humidity,
    pressure,
    pointInfo,
    IoTHub,
    EventEnqueuedUtcTime,
    EventProcessedUtcTime,
    PartitionId,    
    COUNT(*) AS Count
FROM
    Input TIMESTAMP By EventEnqueuedUtcTime
    GROUP BY TUMBLINGWINDOW(second, 2), 
    messageId, 
    deviceId,
    temperature,
    humidity,
    pressure,
    pointInfo,
    IoTHub,
    EventEnqueuedUtcTime,
    EventProcessedUtcTime,
    PartitionId
)

SELECT * INTO SQLServerOutput FROM BasicOutput
SELECT * INTO AzureFunctionOutput FROM BasicOutput

public class UsrFieldDefaults : CustomizationPlugin
{
    //This method executed after customization was published and website was restarted.  
    public override void UpdateDatabase()
    {
        PXDatabase.Update<MyDac>(
            new PXDataFieldAssign<MyDacExt.usrCustOptInOut>(PXDbType.NChar, 1, OptInOut.Default),
            new PXDataFieldRestrict<MyDacExt.usrCustOptInOut>(PXDbType.NChar, 1, null, PXComp.ISNULL)
            );
    }
}