From: | Tjioe Ai Xin <xinxincute(at)gmail(dot)com> |
---|---|
To: | Kris Jurka <books(at)ejurka(dot)com> |
Cc: | pgsql-jdbc(at)postgresql(dot)org |
Subject: | Re: Can PostgreSQL do data type automated casting in prepared |
Date: | 2005-11-23 12:05:52 |
Message-ID: | 200511231905.53085.xinxincute@gmail.com |
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Thread: | |
Lists: | pgsql-jdbc |
Dear Kris,
Where I can set protocolVersion=2?
And how about the performance?
Thanks in advance.
Xin Xin
On Tuesday 22 November 2005 06:08, Kris Jurka wrote:
>
> On Mon, 21 Nov 2005, Tjioe Ai Xin wrote:
>
> >
> > My code is like this: I have query: "Select count(*) / paramPage from
> > tblFirst where condition"; The paramPage were filled from parameter
> > which I specified as string data type. So I using setString method for
> > my prepared statement for passing paramPage value. When I'm using the
> > old jdbc driver pg74jdbc3.jar, I got no problem at all. But when I try
> > to upgrade my PostgreSQL to 8.0.3. I got problem data type error.
> >
> > Can PostgreSQL do data type automated casting in prepared statement again?
> > So I do not need change my code :)
> >
>
> Yes, and no. You can restore the old behavior by adding
> ?protocolVersion=2 to your connection URL, but using the older protocol
> also means some new features and performance gains will be unavailable to
> you.
>
> Kris Jurka
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: explain analyze is your friend
>
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