Re: [GENERAL] Detect Locked Row Without Blocking

2005-11-08 Thread Joe Lester
I see... For my purposes, I'd still rather notify the user up-front that the record is "in modify" (kind of like FileMaker does)... even though now I understand that a row lock is not the right mechanism for that. Is there a "best-practice" for this approach? What about using a field to flag

Re: [GENERAL] Detect Locked Row Without Blocking

2005-11-08 Thread Tom Lane
Joe Lester <[EMAIL PROTECTED]> writes: > Is there a recommended "postgres way" to determine if a certain row is > locked... without blocking? 8.1 has a SELECT FOR UPDATE NOWAIT option. Alternatively, just do a wait while having a very short statement_timeout. > In my custom postgres client app

[GENERAL] Detect Locked Row Without Blocking

2005-11-08 Thread Joe Lester
Is there a recommended "postgres way" to determine if a certain row is locked... without blocking? In my custom postgres client app I'd like to be able to determine if another user is "modifying" a given record. If so, I would present a dialog to the user such as "Record Locked. Sam Smith is a