Julien Tachoires <jul...@gmail.com> writes:
> 2012/10/8 Tom Lane <t...@sss.pgh.pa.us>:
>> The other problem you're going to have here is that there is in fact no
>> such command as "\ds" (nor "\ds+"); rather, it's a special case of
>> \dtsvi.  As such, putting any relkind-specific info into the result is
>> problematic.  I think you're going to have to invent a different command
>> if you want there to be sequence-specific columns.

> Yes, that's why I plan to create a new function listSequences() and
> call it from src/bin/psql/command.c :
> +             /* \d* commands */
> +     else if (cmd[0] == 'd')
> +     {
> ...
> +                     case 's':
> +                             success = listSequences(pattern, show_verbose);
> +                             break;

No, that's not acceptable, because it will break cases such as "\dstv".

The \dxxx command namespace is already direly overloaded; I'm not sure
cramming more behaviors into it is a good idea anyway.  Perhaps
something along the line of "\seqs" would be a usable substitute.

                        regards, tom lane


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