Re: Prepare Statement

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От Kris Jurka
Тема Re: Prepare Statement
Дата
Msg-id Pine.BSO.4.56.0406171356320.14006@leary.csoft.net
обсуждение исходный текст
Ответ на Re: Prepare Statement  ("Jie Liang" <jie@stbernard.com>)
Список pgsql-jdbc

On Thu, 17 Jun 2004, Jie Liang wrote:

> Kirs,
>
> I re-compile with setUseServerPrepare(true), it works fine, thanks.
> However, reading from my log file, what I saw is that five same SELECTs
> with different argument, so I am wondering that the PrepareStatement
> really save time than individualy execute five SELECTs ???
>

This is what I see in the log file:

2004-06-17 11:55:35 [23254] LOG:  statement: PREPARE JDBC_STATEMENT_1(integer) AS SELECT  $1 ; EXECUTE
JDBC_STATEMENT_1(1)
2004-06-17 11:55:35 [23254] LOG:  statement: EXECUTE JDBC_STATEMENT_1(2)
2004-06-17 11:55:35 [23254] LOG:  statement: EXECUTE JDBC_STATEMENT_1(3)
2004-06-17 11:55:35 [23254] LOG:  statement: EXECUTE JDBC_STATEMENT_1(4)
2004-06-17 11:55:35 [23254] LOG:  statement: EXECUTE JDBC_STATEMENT_1(5)
2004-06-17 11:55:35 [23254] LOG:  statement: DEALLOCATE JDBC_STATEMENT_1

I don't know why this would be different for you.  What exact version of
the server and driver are you using?

Kris Jurka


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