From: | Susanne Ebrecht <susanne(at)2ndQuadrant(dot)com> |
---|---|
To: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
Cc: | PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org> |
Subject: | Re: Removing postgres -f command line option |
Date: | 2011-11-17 15:11:57 |
Message-ID: | 4EC5243D.9000401@2ndQuadrant.com |
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Lists: | pgsql-hackers |
Heikki,
On 17.11.2011 10:19, Heikki Linnakangas wrote:
> $ postgres --help
> ...
> Developer options:
> -f s|i|n|m|h forbid use of some plan types
>
> That doesn't include all the options we support, the documentation
> lists: s|i|o|b|t|n|m|h. These are aliases for enable_* planner
> options, e.g -fs is equal to enable_seqscan=off.
>
> That seems completely useless to me, because you can also do "-c
> enable_seqscan=off". Any objections to removing the -f option altogether?
>
I knew about it. But - I never needed it and I always scroll over it
when I show --help in my trainings.
When I was young - some when in last century - I learned that you never
should remove a feature without pre-announcing it as deprecated.
I think it is better to mark it deprecated in 9.2 and totally remove it
in 9.3.
Susanne
--
Susanne Ebrecht - 2ndQuadrant
PostgreSQL Development, 24x7 Support, Training and Services
www.2ndQuadrant.com
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