Re: removal of dangling temp tables - Mailing list pgsql-hackers

From Robert Haas
Subject Re: removal of dangling temp tables
Date
Msg-id CA+TgmobVaOiPKdPB8Rk0P5JJY9+WfGqVn0XK+DS5sdH-dVgH+A@mail.gmail.com
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In response to Re: removal of dangling temp tables  (Alvaro Herrera <alvherre@2ndquadrant.com>)
Responses Re: removal of dangling temp tables  (Alvaro Herrera <alvherre@2ndquadrant.com>)
List pgsql-hackers
On Fri, Dec 14, 2018 at 12:27 PM Alvaro Herrera
<alvherre@2ndquadrant.com> wrote:
> Hmm, I think in the case covered by your commit, that is a session that
> crashes with a few thousands of temp tables, this new patch might cause
> a failure to open a new session altogether.

Oh, good point.  Or if the catalog is corrupted.

> Maybe it'd be better to change temp table removal to always drop
> max_locks_per_transaction objects at a time (ie. commit/start a new
> transaction every so many objects).

We're basically just doing DROP SCHEMA ... CASCADE, so I'm not sure
how we'd implement that, but I agree it would be significantly better.

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


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