SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 4)
    Identifier x
    Identifier lc
    Function materialize (alias y) (children 1)
     ExpressionList (children 1)
      Identifier r.lc
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier y
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t (alias l)
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier nr (alias r)
     TableJoin (children 1)
      ExpressionList (children 1)
       Identifier lc
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier x
