Re: How to speedup inserts via ADO ?
От | Hiroshi Inoue |
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Тема | Re: How to speedup inserts via ADO ? |
Дата | |
Msg-id | 4B7A17C0.5080309@tpf.co.jp обсуждение исходный текст |
Ответ на | How to speedup inserts via ADO ? (Arnaud Lesauvage <arnaud.listes@codata.eu>) |
Ответы |
Re: How to speedup inserts via ADO ?
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Список | pgsql-odbc |
Arnaud Lesauvage wrote: > Hi all ! > > Inserts via ODBC are a lot slower than via native psql connection. > For instance, I have a very basic insert statement that inserts one row > in a table. > If I execute it 1000 times in pgAdmin, it returns in 718ms. > If I execute it via ADO (with a direct query : Connection.Execute > "INSERT INTO..."), it takes 15s to complete. > > I checked psqlODBC's commlog, but all I see in it are the INSERT > statements that I issued. So there must be a lot of overhead somewhere, > but I don't understand where it comes from, and more important I don't > understand how I could get rid of it. > > Are there some connection parameters that I could use to speed things up ? 1. Do inserts in a transction. 2. Set the "Level of rollback on errors" option to Transacion. 3. Use a prepared Command object. regards, Hiroshi Inoue
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