Re: Re: Disk acces

[ Charset ISO-8859-1 unsupported, converting... ]
> Hi Doug, your comments caught my eye and I thought I'd ask you something..
> Are you speaking of using persistant connections with PHP? I'm not sure what
> Enhydra is, so forgive me if this is totally off base..
>
> We do a lot of development in PHP and only use PostgreSQL, I've tried and
> tried to get persistant connections to work but every time I use them, very
> strange things start to happen (variables disappearing and getting corruted
> to name one).. It was said a while back on the list that the most probable
> reason for that is that PHP isn't thread safe and that was probably the
> cause.. Another strange, though not surprising thing that happens is that if
> you begin a transaction in a PHP script and the script is terminated before
> you comit or rollback (be that from the user clicing stop or a script/server
> error), the transaction is left open for the next time that backend is
> used -- it's caused a lot of problems.. I say it's not surprising because
> that's exactly what I'd expect to happen, there just doesn't seem to be much
> of a way to prevent it in some cases.. I've tried the ignore_user_abort but
> it still happened quite a lot. (I'm spoiled with Ruby and ensure :-) )..
>
> Have you had those kinds of problems and if so how did you overcome them?
> Does Enhydra manage your database/web server pool?

I just talked to PHP/Rasmus yesterday, and I will try to get this fixed
in the PHP PostgreSQL code soon.  It involves adding the ability to
ROLLBACK before handing the connection to a new user.

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026