From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
---|---|
To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
Cc: | Shigeru Hanada <shigeru(dot)hanada(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: per-column FDW options, v5 |
Date: | 2011-08-11 16:04:33 |
Message-ID: | 1313078575-sup-1917@alvh.no-ip.org |
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Lists: | pgsql-hackers |
Excerpts from Robert Haas's message of jue ago 11 11:50:40 -0400 2011:
> 2011/8/9 Shigeru Hanada <shigeru(dot)hanada(at)gmail(dot)com>:
> >>> (3) OPTIONS clause style
> >>> Show FDW options as they were in OPTIONS clause. Each option is shown
> >>> as "key 'value'", and delimited with ','.
> >>>
> >>> Ex)
> >>> FDW Options: delimiter ',', quote ''''
> >>> #delimiter is a comma, and qutoe is a single-quote
> >> I'm against #2, but I could go either way on #1 vs. #3. If you pick
> >> #3, would you also change the column options to be displayed that way,
> >> or would we end up with table and column options displayed
> >> differently?
> >
> > I'd like to pick #3, and also change per-column options format. In
> > addition, I'd like to change options format for other FDW objects such
> > as wrappers, servers and user mappings for consistency. Of course, only
> > if it's acceptable to break backward compatibility...
>
> I think it's fine to change the display format. We haven't had these
> features for very long, so users hopefully shouldn't be expecting that
> everything is set in stone. We have made far bigger changes to
> backslash commands that have been around for far longer (\df, I'm
> looking at you).
We've never promised that backslash commands behave identically across
releases. I think they are more for human consumption than machine, so
why would we care about changing one of them a bit?
--
Álvaro Herrera <alvherre(at)commandprompt(dot)com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
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