Search Postgresql Archives

Re: Server-side hooks for user session start and session end

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

 





2015-09-26 20:29 GMT+02:00 Tom Lane <tgl@xxxxxxxxxxxxx>:
Pavel Stehule <pavel.stehule@xxxxxxxxx> writes:
> 2015-09-26 19:59 GMT+02:00 Tom Lane <tgl@xxxxxxxxxxxxx>:
>> A session-start hook is already possible at the C-code level, using
>> session_preload_libraries.  It wouldn't be hard to write an extension
>> that exposed that in some useful way to SQL code.

> years ago I tried it, if I remember well. I had a problems with SPI calls,
> because some caches was not initialized. I am not sure, and I didn't test
> last time.

You'd have to start your own transaction if you wanted one, and any
uncaught error would effectively be FATAL because it would terminate the
session, but otherwise I don't see why that wouldn't work.

Probably I didn't start transaction.

I'll check it.

Regards

Pavel
 

                        regards, tom lane


[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