title: ERROR: 57014: canceling statement due to user request
body: <p>I am trying to fill the data set with the postgres as backend. The stored procedure is used, the query is complex. But when I try to fill data set, this error occurs and the dataset is not filled:</p>
  
  <blockquote>
    <p>ERROR: 57014: canceling statement due to user request</p>
  </blockquote>