SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function tryBase64Decode (children 1)
     ExpressionList (children 2)
      Subquery (alias n) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Function countSubstrings (children 1)
            ExpressionList (children 2)
             Function toModifiedJulianDayOrNull (children 1)
              ExpressionList (children 1)
               Literal \'\\0\'
             Literal \'\'
      Subquery (alias srocpnuv) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Function regionIn (children 1)
            ExpressionList (children 1)
             Literal \'l. \'