SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function sum (children 1)
     ExpressionList (children 1)
      Function length (children 1)
       ExpressionList (children 1)
        Identifier arr
    Function sum (children 1)
     ExpressionList (children 1)
      Identifier num
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier perf_lc_num
