Re: Multiple result sets

From: Ivan Sergio Borgonovo <mail(at)webthatworks(dot)it>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Multiple result sets
Date: 2008-06-01 21:05:12
Message-ID: 20080601230512.5b16c3d3@dawn.webthatworks.it
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On Sun, 1 Jun 2008 15:36:14 -0500
"Adam Rich" <adam(dot)r(at)sbcglobal(dot)net> wrote:

> I am not familiar with the python library, but that looks correct
> to me. You can always test it by adding a sleep between your two
> queries and modifying the database from a console connection
> during the sleep.

> Note that I'm assuming your 5 queries are all read-only selects.
> If you're modifying data during your queries, and another
> concurrent database connection modifies the same data during your
> transaction, the later modifications will fail under serializable
> isolation.

Which one will fail? the second query or the serializable
transaction.

My understanding was that the serializable transaction will fail.

--
Ivan Sergio Borgonovo
http://www.webthatworks.it

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