SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Identifier a
    Identifier b
    Identifier c
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (alias js1) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 2)
         SelectQuery (children 1)
          ExpressionList (children 3)
           Literal UInt64_3 (alias a)
           Literal UInt64_2147483647 (alias b)
           Literal UInt64_1048575 (alias c)
         SelectQuery (children 1)
          ExpressionList (children 3)
           Literal Int64_-2
           Literal NULL
           Literal Int64_-2
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier a