From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Bruce Momjian <bruce(at)momjian(dot)us> |
Cc: | Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Greg Sabino Mullane <greg(at)turnstep(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org> |
Subject: | Re: [PATCHES] Friendly help for psql |
Date: | 2008-01-28 20:20:59 |
Message-ID: | 6444.1201551659@sss.pgh.pa.us |
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Lists: | pgsql-hackers pgsql-patches |
Bruce Momjian <bruce(at)momjian(dot)us> writes:
> Alvaro Herrera wrote:
>> To avoid the usage of unadorned "help" (which I don't think is going to
>> ever cause conflicts with a SQL command but perhaps it's better to be
>> prepared), one idea would be to respond with "please execute \help
>> instead", and then \help would emit the verbose output. Perhaps
>> eventually we could adorn it with "\help category", etc.
> Uh, imagine:
> test=> SELECT * from pg_class
> test-> help
You didn't read the patch: it would recognize "help" only when the input
buffer is empty. The only thing it's assuming is that no SQL command
will ever *begin* with the word "help".
regards, tom lane
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