Re: Add psql command to list constraints

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От Tatsuro Yamada
Тема Re: Add psql command to list constraints
Дата
Msg-id 14bf186c-f3f6-ffae-d324-4abd4d9f05a2@nttcom.co.jp
обсуждение исходный текст
Ответ на Re: Add psql command to list constraints  (Justin Pryzby <pryzby@telsasoft.com>)
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Hi Justin,


Thanks for your comments!

  
>> Currently, DBAs need the table name to see the constraint information.
> 
> Or, they can query pg_constraint or information_schema: check_constraints,
> table_constraints.


Yeah, right.
If they can use the meta-command instead of a long query against pg_constraint
or information_schema and also pg_attribulte, it would be helpful, I believe. :-D



>> -                success = listConversions(pattern, show_verbose, show_system);
>> +                if (strncmp(cmd, "dco", 3) == 0) /* Constraint */
>> +                    switch (cmd[3])
>> +                    {
>> +                        case '\0':
>> +                        case '+':
> 
> Does "+" do anything ?


No, it doesn't. Removed.


  
>> +++ b/src/bin/psql/help.c
>> @@ -231,6 +231,7 @@ slashUsage(unsigned short int pager)
> 
>>       fprintf(output, _("  \\db[+]  [PATTERN]      list tablespaces\n"));
>>       fprintf(output, _("  \\dc[S+] [PATTERN]      list conversions\n"));
>> +    fprintf(output, _("  \\dco[S] [PATTERN]      list constraint\n"));
> 
> Should be plural "constraints".
> 
> I think "exclude" should be called "exclusion" ("exclude" sounded to me like
> you're going to provide a way to "exclude" types of constraints, like "xc"
> would show everything except check constraints).


Thanks! Fixed the both.


Attached file is new patch. It includes:

   - Fix help message s/constraint/constraints/
   - s/Exclude/Exclusion/
   - Remove unused modifier "+"
   - Add document for \dco



Thanks,
Tatsuro Yamada


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