am Fri, dem 13.04.2007, um 4:27:34 -0700 mailte Carlos Santos folgendes: > How can I know if a row is locked by another transaction. > I have in a transaction like that: > > BEGIN; > SELECT * FROM compels.teste WHERE id = '1' FOR UPDATE; > > PS1: where id is the primary key. > PS2: The COMMIT command is done after a long time. > > In this case the row with the primary-key equals to '1' will be locked to > other > transactions until the COMMIT command be executed. > So, how can I detect if this row is locked?
You can call the insert with 'for update nowait' and catch the error, if an error occurs. Maybe there are better solutions... Andreas -- Andreas Kretschmer Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header) GnuPG-ID: 0x3FFF606C, privat 0x7F4584DA http://wwwkeys.de.pgp.net ---------------------------(end of broadcast)--------------------------- TIP 7: You can help support the PostgreSQL project by donating at http://www.postgresql.org/about/donate