[postgis-users] Slow delete of duplicate rows

[Paul Ramsey]

Bet you could get it done even faster.
Before you run the query, go

set work_mem = '12GB';

then fire it off

On Wed, Mar 7, 2012 at 7:11 AM, DrYSG <ygutfreund at draper.com> wrote:
> I ran the query last night and it took only 16 hours and 2 minutes (Alienware
> 51, 8 cores, 24GB, raid disk, win7),
>
>
>
> CREATE TABLE portal.new_metatdata AS
> select distinct on (data_object.unique_id) * FROM portal.metadata;
>
> Thank you.
>
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