SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Function shardNum (alias n) (children 1)
     ExpressionList
    Function shardCount (alias c) (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function remote (children 1)
       ExpressionList (children 2)
        Literal \'127.0.0.{1,2,3}\'
        Identifier system.one
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier n
   Set
