Re: How can I know if a row is Locked?

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
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Andreas Kretschmer
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