Re: partitioning a table containing millions of records

From: "Nikolas Everett" <nik9000(at)gmail(dot)com>
To: "Andreas Jochem" <andruit(at)gmx(dot)de>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: partitioning a table containing millions of records
Date: 2008-10-25 11:03:50
Message-ID: d4e11e980810250403r9155fd9y327ce48475361613@mail.gmail.com
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There is no fast way to split an existing table into partitions. Create a
new parent table, create partitions, create the insert trigger, and then
INSERT INTO newparent SELECT * FROM unpartitioned. You may want to split
that into groups if you have many millions of rows.

On Sat, Oct 25, 2008 at 6:47 AM, Andreas Jochem <andruit(at)gmx(dot)de> wrote:

> Hi,
> I have a question concerning the topic patitioning.
>
> I have a table with millions of records and I would like to partition it. I
> have already read the documentation but it could not answer my question.
>
> My question is, the following:
> Do I have to create the master and child tables and so on before inserting
> the data or is it also possible to partition a table which already contains
> millions of records??? And how can I do this??? Has anybody done this
> before???
>
> Thanks.
>
> Andi
>
>
>
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