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	Mon, 20 Sep 1999 13:04:52 -0400 (EDT) (envelope-from ivo@ultra.hr)
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Date: Mon, 20 Sep 1999 19:04:48 +0200
From: Ivo Simicevic <ivo@ultra.hr>
To: Margarita Barvinok <brita@umich.edu>
Cc: pgsql-interfaces@postgresql.org
Subject: Re: [INTERFACES] Not Null Field
Message-ID: <19990920190447.B32064@ultra.hr>
References: 
 <Pine.SOL.4.10.9909201123400.15989-100000@breakout.rs.itd.umich.edu>
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 <Pine.SOL.4.10.9909201123400.15989-100000@breakout.rs.itd.umich.edu>;
	from Margarita Barvinok on Mon, Sep 20, 1999 at 11:34:42AM -0400

On Mon, Sep 20, 1999 at 11:34:42AM -0400, Margarita Barvinok wrote:
> 
> Hi,
> 
> I created the phonebook table with NOT NULL fileds:
> 
> create table phonebook (
> first varchar(20) NOT NULL,
> last varchar(20) NOT NULL,
> uniqname char(8) NOT NULL PRIMARY KEY,
> phone varchar(30),
> status char(7) NOT NULL,
> room varchar(40) );
> 
> If I try to insert NULL values into those fields from psql I got an error
> message - that is right.
> But when I insert records from my C-program (with embedded SQL) I dot no
> errors and such records are added to the table. I even can insert empty
> record. Why this happens? Do I need to write some code to check NULL
> values?
> 
> Thank you,
> -Margarita

How are you doing it? Can you send your source?
I guess you are not entering NULL but empty string values.

Ivo.