Re: [dabo-users] row locking

2011-11-02 Thread Thomas Ganss
Hi John, on second reading of your post, where/how is the optimistic locking implemented - if meant in the sense of conflict managment/resolultion - not talking about simple last write wins g? Is that something you have implemented for your apps, similar to the vfp options of timestamp or

Re: [dabo-users] row locking

2011-10-31 Thread Thomas Ganss
Hi John, I recently scanned the code to get an idea of the changes necessary to implement a basic conflict resolution at least on time stamps. The code to delete back then AFAIR did not check if SQL-delete was successful. If my visualization was correct, any rowlock could then probably be

Re: [dabo-users] row locking

2011-10-31 Thread John Fabiani
On Monday, October 31, 2011 05:40:25 am Thomas Ganss wrote: Hi John, I recently scanned the code to get an idea of the changes necessary to implement a basic conflict resolution at least on time stamps. The code to delete back then AFAIR did not check if SQL-delete was successful. If my

[dabo-users] row locking feature

2011-10-31 Thread Vineet Deodhar
John Fabiani schrieb: Hi Guys, I like to know the thinking on row locking within the context of the Dabo framework. We all realize that in some cases it is not desirable to have optimistic locking (or the MVCC locking of Postgres). For example shipping/closing a sales order but allowing

Re: [dabo-users] row locking feature

2011-10-31 Thread John Fabiani
On Monday, October 31, 2011 09:43:49 am Vineet Deodhar wrote: John Fabiani schrieb: Hi Guys, I like to know the thinking on row locking within the context of the Dabo framework. We all realize that in some cases it is not desirable to have optimistic locking (or the MVCC locking of

[dabo-users] row locking

2011-10-29 Thread John Fabiani
Hi Guys, I like to know the thinking on row locking within the context of the Dabo framework. We all realize that in some cases it is not desirable to have optimistic locking (or the MVCC locking of Postgres). For example shipping/closing a sales order but allowing a second user to modify