Kbase P90937: How to know in the WRITE trigger what fields where changed in the application
| Autor |
Progress Software Corporation - Progress |
| Acesso |
Público |
| Publicação |
4/14/2005 |
|
Status: Verified
GOAL:
How to know what fields were changed in the application
GOAL:
How to use the WRITE trigger
GOAL:
How to compare the old and new field values for a modified record
GOAL:
How to use the buffer compare statement
FIX:
The following is an example that shows in the WRITE trigger what fields were changed in the application:
TRIGGER PROCEDURE FOR WRITE OF Benefits OLD BUFFER oldBenefits.
DEFINE VARIABLE cChanges AS CHARACTER NO-UNDO.
BUFFER-COMPARE benefits TO oldBenefits SAVE RESULT IN cChanges.
MESSAGE cChanges VIEW-AS ALERT-BOX.