Re: Handling null values in char fields from JDBC

-----Original Message-----
From: "Dave Cramer" <Dave@micro-automation.net>
Date: Tue, 22 Jan 2002 10:03:06 -0500
To: "'Sean Duffy'" <sean.duffy@programmer.net>, <pgsql-jdbc@postgresql.org>
Subject: Re: [JDBC] Handling null values in char fields from JDBC

Dave -

Yes when the  field is added as a char field
it contains all null values.  I currently go
in with psql and set the null values to ''
but would like to handle the situation a
little more elegantly.

Thanks for getting back to me :)

Sean
> Sean,
>
> Just to clarify? Is there a null in the data on the server?
>
> Dave
>
> -----Original Message-----
> From: pgsql-jdbc-owner@postgresql.org
> [mailto:pgsql-jdbc-owner@postgresql.org] On Behalf Of Sean Duffy
> Sent: Tuesday, January 22, 2002 9:22 AM
> To: pgsql-jdbc@postgresql.org
> Subject: [JDBC] Handling null values in char fields from JDBC
>
>
>
> I am running Postgresql 7.1.3 and using the 7.1-1.2 jar jdbc driver.  I
> noticed that when I used a ResultSet.getString("charfield") call to
> fetch null data from the char field I get a null pointer exception
> error.  My question is two fold..
> 1) Is this normal behavior for the jdbc driver?
> 2) Is there a recommended way of trapping for a null value in a char
> field (besides just going into the db with psql and setting all null
> values to '')?
>
> I have looked thru two different Postgresql manuals but have not been
> able to find anything referring to null value handling at the jdbc
> level.
>
> If anyone can pt me in the right direction I
> would really appreciate it.
>
> Thanks!
> --
>
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