title: Cosmosdb : "message":"Syntax error, invalid numeric value token '4d5f'." error
body: <p>I am trying to query some information from the document db, it used to work earlier when we have id field , I recently replaced with Guid field and when we run the following query it throws the error as follows</p>
  
  <p><strong>Code:</strong></p>
  
  <pre><code>  queryString = string.Format(
                          "SELECT f.keys.Timestamp,f.keys.selectedFieldId FROM {0} f WHERE f.logevent = '{1}' AND f._ts &gt; {2} AND f._ts &lt;= {3}",
                          DocumentDbRepository.DatabaseId, Enums.Events.ApplicationAuthenticationSuccess, refUnixTime,
                          currentUnixTime);
  </code></pre>
  
  <p><strong>ERROR:</strong></p>
  
  <pre><code>"message":"Syntax error, invalid numeric value token '4d5f'."
  </code></pre>
  
  <p>any help would be appreciated!</p>