Re: odbc/ado problems
От | Markus Donath |
---|---|
Тема | Re: odbc/ado problems |
Дата | |
Msg-id | ch40n7$1oqf$1@news.hub.org обсуждение исходный текст |
Ответ на | odbc/ado problems (Kroh István <istvan.kroh@pomme.hu>) |
Список | pgsql-odbc |
hello, did you use a read only / forward only cursor (adOpenForwardOnly) ? this is the fastest way to retreive data, other cursor types are much slower with postgres odbc. bye, Markus Donath. "Kroh Istv�n" <istvan.kroh@pomme.hu> schrieb im Newsbeitrag news:005a01c48f7f$9ff8ae70$0102a8c0@pomme001... > Hi all! > > I'm new here, so hello to everybody! > > I'm in a deep truble using postgesSQL 7.2.0 on a low-end pc with SUSE 8. I'm > using some databases from that pc through odbc (7.3.200). Until now i had no > problems with this solution, everithing worked fine. But today i wrote a > small app, that converts/copies some data from a database to an other > database. > > During this work i wrote a simple query as follows: > select pers_driving_license from person where pers_id=23456 > > This should return a single varchar(20) field. Running this query over > ADO/ODBC from a Delphi app tooks 50-100 secs. If i run this from pgAdmin II. > it takes some msecs. > > The output of explain is: > Index Scan using person_id_index on person (cost=0.00..3.14 rows=1 width=4) > > Any idea? > > Thanks in advance: steve > > > ---------------------------(end of broadcast)--------------------------- > TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org >
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