Re: pgbench post-connection command

Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>

From: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Simon Riggs <simon@2ndQuadrant.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2012-01-12T20:53:18Z
Lists: pgsql-hackers
On 12.01.2012 22:04, Tom Lane wrote:
> Simon Riggs<simon@2ndQuadrant.com>  writes:
>> On Thu, Jan 12, 2012 at 5:32 PM, Tom Lane<tgl@sss.pgh.pa.us>  wrote:
>>> More like "\once ... any SQL command or meta command here ..."
>>> if we want to extend the scripting language.  But I'd be perfectly happy
>>> with a command-line switch that specifies a script file to be run once.
>
>> Once per connection, yes?
>
> Hmmm ... good question.  Heikki was speculating about doing CREATE TABLE
> or similar, which you'd want done only once period.

I was creating a separate table for each connection to work with...

>  But I see no very
> strong reason why cases like that couldn't be handled outside of
> pgbench.  So yeah, once per connection.

... so that is exactly what I was thinking too.

For things that only need to run once, period, you can just do:

psql -c "CREATE TABLE"; pgbench ...

-- 
   Heikki Linnakangas
   EnterpriseDB   http://www.enterprisedb.com