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From: Jasen Betts <jasen@xnet.co.nz>
To: pgsql-sql@postgresql.org
Subject: Re: ignore unique violation OR check row exists
Date: 4 Jan 2012 08:58:28 GMT
Message-ID: <je14bk$1jq$1@reversiblemaps.ath.cx> (raw)
References: <1640378676151393930@unknownmsgid>

On 2012-01-03, Misa Simic <misa.simic@gmail.com> wrote:
> If exists is better, though insert line by line and check if exists may
> be very slow...
>
> The best would be if you can use copy command from csv to staging table
> (without constraints) and then
>
> Insert to live from stage where stage constraint column not exist in
> live...
>

Its a good idea to check that the staging table doesn't
conflict with itself, before tryign to insert it.

-- 
⚂⚃ 100% natural




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