Re: [JDBC] JDBC and Binary protocol error, for some statements

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Maciek Sakrejda <msakrejda(at)truviso(dot)com>
Cc: Radosław Smogura <rsmogura(at)softperience(dot)eu>, PG Hackers <pgsql-hackers(at)postgresql(dot)org>, PostgreSQL JDBC List <pgsql-jdbc(at)postgresql(dot)org>
Subject: Re: [JDBC] JDBC and Binary protocol error, for some statements
Date: 2010-11-25 19:42:09
Message-ID: 18034.1290714129@sss.pgh.pa.us
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Maciek Sakrejda <msakrejda(at)truviso(dot)com> writes:
>> But to the last part of cited protocol specification, when I've sent message with statement parameter's type int4, int8, varchar the format
>> field wasn't set to 0, but 1.

> I wasn't able to reproduce that with my standalone test case. When I
> changed the parameter oid to 23, I still got the same behavior. Can
> you alter my test case to reproduce the error?

I'd be really surprised if that affected the server-side behavior.
OTOH, it seems possible that the JDBC driver might behave differently
depending on whether parameter types were prespecified or not --- it
might issue Describe earlier in order to get the parameter types,
perhaps.

regards, tom lane

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