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Re: Bad timestamp external representation

From: Jason Earl <jdearl(at)yahoo(dot)com>
To: Francois Thomas <FrancoisT(at)alsdesign(dot)fr>, "'pgsql-novice(at)postgresql(dot)org'" <pgsql-novice(at)postgresql(dot)org>
Subject: Re: Bad timestamp external representation
Date: 2001-08-22 20:07:04
Message-ID: 20010822200704.6058.qmail@web10003.mail.yahoo.com (view raw or flat)
Thread:
Lists: pgsql-novice
You might try using NULL instead of '' when selecting
from cles.  I don't know if that is what the problem
is, but I do know that the timestamp type does not
like ''.

Jason


--- Francois Thomas <FrancoisT(at)alsdesign(dot)fr> wrote:
> 
> Hello everybody
> 
> I meet the "bad timestamp external representation"
> error, and I don't know
> how to solve it. I tried, of course, to look for
> documentation myself, but I
> feel lost with this... any help will be greatly
> appreciated.
> I first met the problem with a view:
> 
> create view allprod as 
> ( 
> SELECT equip,produit,nserie,exserie,ech FROM package
> 
> union 
> SELECT id,produit,nserie,exserie,ech FROM equip 
> union 
> SELECT equip_id,'',produit,'','' FROM cles 
> )
> The view is created succesfully, but if I try a
> "select * from allprod", I
> have the timestamp error.
> "ech" is the timestamp field, it can be null in some
> rows. If I use it in
> only one of the unions (instead of 2), the same
> problem occur. Of course, if
> I create the view without the "ech" field, I can
> select or do what I want
> without trouble.
> I also found this: on a normal table with a
> timestamp field (called, say,
> "tstamp"), I will get the error too with a query
> like "select * from
> my_table where tstamp=''", and no error with
> "...where tstamp is null".
> Well, it may be easy for advanced user, but not for
> me !
> I use postgresql 7.1.3 on a Debian 2.2r3 system,
> with a "fr_FR" locale.
> Thanks in advance
> 
> Francois Thomas
> 
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