Re: [SQL] empty data

From: Guido Piazzi <gpiazzi(at)nemo(dot)it>
To: Sergio Brandano <serbr(at)tin(dot)it>
Cc: pgsql-sql(at)postgresql(dot)org
Subject: Re: [SQL] empty data
Date: 1998-07-13 17:26:09
Message-ID: Pine.LNX.3.96.980713191427.214A-100000@ik2gdx.ampr.org
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On Mon, 13 Jul 1998, Sergio Brandano wrote:

> > serbr=> CREATE TABLE foo (mtdata date);
> > CREATE
> > serbr=> INSERT INTO foo VALUES ('');
> > ERROR: Bad date external representation

guido=> INSERT INTO foo VALUES (null);
INSERT 144906 1

Postgres doesn't like empty strings for date fields.
When using the COPY command (for loading data from a file)
null date fields should contain \N (backslash, capital N).

regards,

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// Guido Carlo Piazzi Accompagnatore naturalistico
// gpiazzi(at)nemo(dot)it Visitate il sito WWW.ParcoDelTicino.Pmn.It
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