DescribeQuery (children 2)
 TableExpression (children 1)
  Function file (children 1)
   ExpressionList (children 2)
    Function concat (children 1)
     ExpressionList (children 2)
      Function currentDatabase (children 1)
       ExpressionList
      Literal \'_test_02244\'
    Literal \'JSONCompactEachRow\'
 Set
