Re: Cancelling idle in transaction state

Kevin Grittner <kevin.grittner@wicourts.gov>

From: "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
To: "Simon Riggs" <simon@2ndquadrant.com>, "Craig Ringer" <craig@postnewspapers.com.au>
Cc: "Hannu Krosing" <hannu@2ndquadrant.com>, "Kris Jurka" <books@ejurka.com>,"James Pye" <lists@jwp.name>, "Joachim Wieland" <joe@mcknight.de>, "pgsql-hackers" <pgsql-hackers@postgresql.org>, "Tom Lane" <tgl@sss.pgh.pa.us>
Date: 2009-12-30T14:54:47Z
Lists: pgsql-hackers
Craig Ringer <craig@postnewspapers.com.au> wrote:
 
> It might be kind of handy if I could getWarnings() on the
> connection object without blocking so I could call it before I
> executed a statement on the connection ... but that'd always
> introduce a race between transaction cancellation/timeout and
> statement execution, so code must always be prepared to handle
> timeout/cancellation related failure anyway.
 
+1 (I think)
 
If I'm understanding this, it sounds to me like it would be most
appropriate for the NOTICE to generate a warning at the connection
level and for the next request to throw an exception in the format
suggested by Heikki -- which I think is what Craig is suggesting.
 
-Kevin