Re: [HACKERS] Re: retrieving varchar size
От | Bruce Momjian |
---|---|
Тема | Re: [HACKERS] Re: retrieving varchar size |
Дата | |
Msg-id | 199804271452.KAA04993@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: [HACKERS] Re: retrieving varchar size (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-hackers |
> > Does what you describe actually work in the current backend? > > The problem on the libpq side is basically that the PGresult structure > is not able to represent more than one tuple descriptor. AFAICS, we can't > tamper with that without breaking all existing applications. However, > if we make the changes being discussed in this thread then it would be > a simple matter to return a *series* of PGresult structures for this > sort of query. > > Whether an application is capable of handling that is another story, > but at least the data could be passed through. > I would move forward, and see if anything breaks. If the regression tests pass, that is a good sign it works. -- 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)
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