append()
 Append a row (record) to the work area
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 Prototype

     ERRCODE append(
                       AREAP wa
                     )

 Arguments

     wa is a pointer to self.

 Description

     append() appends a row to the work area defined by wa.

 Default Behavior

     You must implement the default behavior of this method through a
     subclass.

 Implementation Notes

     .  append() allows the addition of a blank record to the work area
        defined in wa and places the work area cursor at the new row position.

     .  append() should make a call to goCold() before appending a row
        and resolve (or cancel) pending relational moves.

     .  On work areas marked as wa->fShared, pay strict attention to
        network etiquette during the append.  On work areas marked as
        wa->fReadonly, raise a recoverable error.

 Files  Header file is Rdd.api.