Re: [HACKERS] Re: [INTERFACES] retrieving varchar size
От | Bruce Momjian |
---|---|
Тема | Re: [HACKERS] Re: [INTERFACES] retrieving varchar size |
Дата | |
Msg-id | 199804271327.JAA02610@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: [HACKERS] Re: [INTERFACES] retrieving varchar size (Andreas Zeugswetter <andreas.zeugswetter@telecom.at>) |
Список | pgsql-hackers |
> > >> The JDBC spec allows for multiple ResultSet's to be returned from a query, > >> and our driver handles this already. > > > >Oh. That prevents us from changing the backend to ignore returning more > >than one result for multiple queries in a PQexec. > > I think this is also a leftover from postgres 4.2, where one query could return multiple > result sets (with different columns). > > >Perhaps we need a new > >return query protocol character like 'J' to denote query returns that > >are not the LAST return, so libpq can throw them away, and jdbc and > >process them as normal, but also figure out when it gets the last one. > > This might be hard to do with a select rule, that triggers other result sets. > (Is this still possible ?) We are going to use a separate end-of-query-results packet instead. -- Bruce Momjian | 830 Blythe Avenue maillist@candle.pha.pa.us | Drexel Hill, Pennsylvania 19026 + If your life is a hard drive, | (610) 353-9879(w) + Christ can be your backup. | (610) 853-3000(h)
В списке pgsql-hackers по дате отправления: