2015-09-26 20:29 GMT+02:00 Tom Lane <t...@sss.pgh.pa.us>: > Pavel Stehule <pavel.steh...@gmail.com> writes: > > 2015-09-26 19:59 GMT+02:00 Tom Lane <t...@sss.pgh.pa.us>: > >> 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 >