Hi,

I was asking about experience with optimistic locking a few days ago. Has
really nobody done that before (as the non responses appear to me).
Problem was I can't use a "locking field" and couldn't find anything I can
use to produce a  "select for update".

Lasse





|---------+----------------------------------------->
|         |           Lasse                         |
|         |           Lambrecht/IS-LF1/Allianz-Leben|
|         |           @ALLIANZ-DE                   |
|         |                                         |
|         |           19.01.04 17:24                |
|         |           Bitte antworten an "OJB Users |
|         |           List"                         |
|         |                                         |
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  |        An:      [EMAIL PROTECTED]                                                  
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  |        Thema:   Optimistic locking / select ... for update                         
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Hi all,

for a webbased application I need an optimistic locking mechanism. My
application uses an existing database, so I can't (and don't want) add an
extra locking column to each table.
How are you others handle this?
Of Course, I can do the optimistic locking by myself. Saving the original
object somewhere and reread and compare it before saving. But in this case
in need a "select...for update" SQL to be sure the row is not modified in
the meantime. How can I do that with OJB (PB-API prefered).

Regards
Lasse




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