Am Freitag, 23. April 2004 10:43 schrieb Denis P Gohel: > Is there a data dictionary in Postgres from where i can get the info about > locked rows of any table ? If possible the value of those locked record ?
No, this information is not available for end users. > I have an ODBC application working on Postgres. There are Master child > tables. I want, if a user A is editing any document ( one master and set of > child records) in front-end application, the same should not be available > to other user for editing. > > I thought of using SELECT FOR UPDATE. But, in my case, i need to display > the name of application user and other details about the locked row. Keeping in mind that long-running transactions are not a good idea anyway, you should probably consider a user-space cooperative locking model. There is something in contrib/userlock, but I'm not sure whether that fits what you need. ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend
