Re: break table into portions for writing to separate files

From: Seb <spluque(at)gmail(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: break table into portions for writing to separate files
Date: 2014-05-01 19:01:26
Message-ID: 878uqlpbll.fsf@net82.ceos.umanitoba.ca
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general

On Thu, 1 May 2014 20:22:26 +0200,
Szymon Guz <mabewlun(at)gmail(dot)com> wrote:

> Hi, several Gb is about 1GB, that's not too much. In case you meant
> 'several GB', that shouldn't be a problem as well.

Sorry, I meant several GB. Although that may not be a problem for
PostgreSQL, it is for post-processing the output file with other tools.

> The first thing I'd do would be creating an index on the column used
> for dividing the data. Then I'd just use the command COPY with a
> proper select to save the data to a file.

I should have mentioned that this is quite a complex view (not a table),
which joins several other views of similar complexity. I'm not sure
whether indexes are useful/feasible in this case. I'll investigate.

Thanks,

--
Seb

In response to

Responses

Browse pgsql-general by date

  From Date Subject
Next Message Torsten Förtsch 2014-05-01 19:12:46 Re: break table into portions for writing to separate files
Previous Message Seb 2014-05-01 18:50:22 Re: break table into portions for writing to separate files