Search Postgresql Archives

Re: Bug in ecpg lib ?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



I wrote: 
> What I notice about your program is that you connect to the database
> in the main thread, then start a new thread and use the connection in that
> new thread.
> 
> I don't know, but I'd expect that since ecpg keeps a thread-specific
> sqlca, this could cause problems. Indeed I find with the debugger that in
> your sample sqlca is allocated and initialized twice, once when the
> catabase connection is attempted, and once when the SQL statement is run.
> 
> I think that the "good" way to do it would be:
> - start a thread
> - connect to the database
> - do work
> - disconnect from the database
> - terminate the thread

I thought some more about that, and it is obvioisly nonsense.
Why shouldn't you use a connection object in a different thread?

I'll try to come up with some more findings to help figure out
what's going on.

Yours,
Laurenz Albe

-- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx)To make changes to your subscription:http://www.postgresql.org/mailpref/pgsql-general

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux