On Sun, Mar 27, 2011 at 3:25 PM, Jan Wieck <janwi...@yahoo.com> wrote:
> Since we are talking about stable releases, I think just releasing and
> reacquiring the exclusive lock is enough. We can then try to further improve
> things for future releases.

That seems unsafe - things can change under you while you don't hold the lock...

I kind of like the idea of committing the transaction and then
beginning a new one just to do the truncation.  Given the way the
deadlock detector treats autovacuum, the current coding seems quite
risky.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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