Re: debugging prepared statements

From: Barry Lind <blind(at)xythos(dot)com>
To: Richard Welty <rwelty(at)averillpark(dot)net>
Cc: pgsql-jdbc(at)postgresql(dot)org
Subject: Re: debugging prepared statements
Date: 2003-02-08 03:19:36
Message-ID: 3E447748.8060608@xythos.com
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Richard,

I can't see anything in the code that would lead to the behavior you are
seeing. Can you put together a simple test program that I could compile
and run that demonstrates these problems you are seeing?

thanks,
--Barry

Richard Welty wrote:
> On Fri, 7 Feb 2003 08:32:51 -0500 (EST) Richard Welty <rwelty(at)averillpark(dot)net> wrote:
>
>>and the debug output. note that the toString() method on the prepared
>>statement just produces the string of "?null" values. what is interesting
>>is that there are 9 of them, and it is the ninth set which blows up.
>
>
>>statement: ?null?null?null?null?null?null?null?null?null
>
>
> what is interesting is that the insert, which is succeeding (or at least
> was until i broke it 5 minutes ago), has the following .toString() output:
>
> statement: ?null?null?null?null?null?null?null?null?null?null?null?null)
>
> which is the expected number of ? characters (12). the processing of the
> prepared statements for the update and the insert does indeed seem to be
> behaving differently.
>
> i don't see any material difference in the way that i construct the Insert
> prepared statement and the Update prepared statement except for the things
> required by SQL syntax.
>
> i left the environment information out of the previous posting:
>
> RedHat 7.3
> postgresql 7.2.1-5 from the rpm
> pgjdbc2.jar from the website late october of last year
> jdk 1.4.1_01
>
> thanks in advance for any help/advice,
> richard
> --
> Richard Welty rwelty(at)averillpark(dot)net
> Averill Park Networking 518-573-7592
> Unix, Linux, IP Network Engineering, Security
>
>
>
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