Re: Command Triggers, patch v11

Поиск
Список
Период
Сортировка
От Peter Eisentraut
Тема Re: Command Triggers, patch v11
Дата
Msg-id 1332107267.6915.2.camel@vanquo.pezone.net
обсуждение исходный текст
Ответ на Re: Command Triggers, patch v11  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Command Triggers, patch v11
Список pgsql-hackers
On lör, 2012-03-17 at 18:04 -0400, Tom Lane wrote:
> I'm not sure what we should do instead.  We have gotten push-back before
> anytime we changed the command tag for an existing command (and in fact
> it seems that we intentionally added the rowcount display in 9.0, which
> means there are people out there who care about that functionality).
> On the other hand, the traditional output for CREATE TABLE AS doesn't
> seem to satisfy the principle of least astonishment.  A third
> consideration is that if we are pushing CREATE TABLE AS as the preferred
> spelling, people will probably complain if it omits functionality that
> SELECT INTO provides; so I'm not sure that "SELECT n" in one case and
> "CREATE TABLE AS" in the other would be a good idea either.  Any
> opinions what to do here? 

Another consideration is that the SQL command tags are defined by the
SQL standard.  So if we were to change it, then it should be "CREATE
TABLE".  I'm not convinced that it should be changed, though.  (I recall
cross-checking our list against the SQL standard in the past, so there
might have been discussion on this already.)



В списке pgsql-hackers по дате отправления:

Предыдущее
От: Dimitri Fontaine
Дата:
Сообщение: Re: Command Triggers, patch v11
Следующее
От: Peter Geoghegan
Дата:
Сообщение: Re: Re: pg_stat_statements normalisation without invasive changes to the parser (was: Next steps on pg_stat_statements normalisation)