SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 6)
    Identifier A.k
    Function toString (children 1)
     ExpressionList (children 2)
      Identifier A.t
      Literal \'UTC\'
    Identifier A.a
    Identifier B.b
    Function toString (children 1)
     ExpressionList (children 2)
      Identifier B.t
      Literal \'UTC\'
    Identifier B.k
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier A
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier B
     TableJoin (children 1)
      ExpressionList (children 2)
       Identifier k
       Identifier t
   ExpressionList (children 1)
    OrderByElement (children 1)
     Function tuple (children 1)
      ExpressionList (children 2)
       Identifier A.k
       Identifier A.t