Re: CommitFest 2009-09, two weeks on
От | Michael Meskes |
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Тема | Re: CommitFest 2009-09, two weeks on |
Дата | |
Msg-id | 20091002133758.GA4371@feivel.credativ.lan обсуждение исходный текст |
Ответ на | Re: CommitFest 2009-09, two weeks on (Boszormenyi Zoltan <zb@cybertec.at>) |
Ответы |
Re: CommitFest 2009-09, two weeks on
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Список | pgsql-hackers |
On Thu, Oct 01, 2009 at 09:05:55PM +0200, Boszormenyi Zoltan wrote: > Yes, but technical problems and solutions do. ECPG claims > to be ESQL/C compatible, but at places it's only half compatible. Where does it claim to be fully compatible? > This comment is misleading and reflects quite a narrow POV. > Not only OPEN and DECLARE may be out of scope, > but FETCH and CLOSE as well. The reason why ESQL/C > allows this construct is that this ultimately allows using > embedded SQL in event-driven code in a straightforward way. > For this purpose, native ECPG code is not usable currently, > or you need programming tricks, like tracking whether the > cursor is open and protecting DECLARE and OPEN under > some conditional branch to avoid double open, etc. A straight > DECLARE, OPEN, FETCH(s) and CLOSE series in > the same function is only good for batch programming. Examples? Michael -- Michael Meskes Michael at Fam-Meskes dot De, Michael at Meskes dot (De|Com|Net|Org) Michael at BorussiaFan dot De, Meskes at (Debian|Postgresql) dot Org ICQ: 179140304, AIM/Yahoo/Skype: michaelmeskes, Jabber: meskes@jabber.org Go VfL Borussia! Go SF 49ers! Use Debian GNU/Linux! Use PostgreSQL!
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