Re: proposal: multiple psql option -c

From: dinesh kumar <dineshkumar02(at)gmail(dot)com>
To: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: proposal: multiple psql option -c
Date: 2015-07-16 22:03:57
Message-ID: CALnrH7pFNk8TYwbxHH_SaQ-iEmbzvEz4VxAGZmna=J_wTwWStg@mail.gmail.com
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On Thu, Jul 16, 2015 at 12:42 PM, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
wrote:

> Hi
>
> can we support multiple "-c" option?
>
> Why? Because some statements like VACUUM cannot be used together with any
> other statements with single -c option. The current solution is using echo
> and pipe op, but it is a complication in some complex scripts - higher
> complication when you run psql via multiple sudo statement.
>
> Example:
>
> psql -c "select pg_stat_reset()" -c "vacuum full analyze" dbname
>
> or on all db
>
> psql -At -c "select datname from pg_databases" postgres | \
> xargs -n 1 -P 3 psql -c "..." -c "..."
>
> Ideas, notes, comments?
>
>
IMO, rather having multiple -c args, it would be good to have another flag
like "-C" which do accept and execute multiple SQL statements in sequential.

Best Regards,
Dinesh
manojadinesh.blogspot.com

> Regards
>
> Pavel
>

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