pg.ddx.io  pgsql-sql@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Achilleus Mantzios <achill@matrix.gatewaynet.com>
To: ivan marchesini <marchesini@unipg.it>
Cc: pgsql-sql@postgresql.org
Subject: Re: COPY tablename FROM and null values
Date: Wed, 22 Mar 2006 15:29:56 +0200 (EET)
Message-ID: <Pine.LNX.4.44.0603221528500.31329-100000@matrix.gatewaynet.com> (raw)
In-Reply-To: <1143026331.4730.23.camel@geologia5.agora.ing.unipg.it>

O ivan marchesini Ýãñáøå óôéò Mar 22, 2006 :

> Dear users,
> I'm working on a Postgres 7.4 server
> 
> I have a .txt file, containing some tabular data, where data are
> delimited by TABs.
> there are 3 columns:
> 
> column1 int4, column2 float8, column3 float8
> 
> the problem is that column3 contains also null values (i.e. sometimes is
> empty)
> 
> so when I try to use COPY tablename FROM 'filename.txt' I obtain an
> error
> 
> I have tried also using " WITH NULL AS ' ' " but without good results...
> 
> can someone explain me how to solve this problem???

batch edit your file (with sed,awk,perl,C,java,...) and build your 
explicit INSERT statements in some version of your file.

> 
> thank you very much
> 
> Ivan
>  
> 
> 
> 
> 

-- 
-Achilleus




view thread (5+ messages)  latest in thread

Message-ID: <Pine.LNX.4.44.0603221528500.31329-100000@matrix.gatewaynet.com>
Permalink:  ../Pine.LNX.4.44.0603221528500.31329-100000@matrix.gatewaynet.com/
Also on:    postgresql.org/message-id/Pine.LNX.4.44.0603221528500.31329-100000@matrix.gatewaynet.com

 · 

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-sql@postgresql.org
  Cc: achill@matrix.gatewaynet.com, marchesini@unipg.it
  Subject: Re: COPY tablename FROM and null values
  In-Reply-To: <Pine.LNX.4.44.0603221528500.31329-100000@matrix.gatewaynet.com>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox