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Re: crash in plancache with subtransactions

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: crash in plancache with subtransactions
Date: 2010-10-22 00:26:01
Message-ID: 1287707071-sup-9015@alvh.no-ip.org (view raw or flat)
Thread:
Lists: pgsql-hackers
Excerpts from Tom Lane's message of jue oct 21 19:36:07 -0300 2010:

> I'm not immediately sure why plpgsql_subxact_cb is failing to clean up
> correctly in this example, but that seems to be where to look.

I think the reason is that one econtext is pushed for function
execution, and another one for blocks that contain exceptions.  The
example function does not contain exceptions -- the savepoints are
handled by the external SQL code.

I'll have a closer look tomorrow.

-- 
Álvaro Herrera <alvherre(at)commandprompt(dot)com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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