Re: skip duplicate key error during inserts

From: "Merlin Moncure" <mmoncure(at)gmail(dot)com>
To: "Jean-Christophe Roux" <jcxxr(at)yahoo(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: skip duplicate key error during inserts
Date: 2006-10-20 16:03:02
Message-ID: b42b73150610200903p59a86a97q8adf73302adc3003@mail.gmail.com
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On 10/20/06, Jean-Christophe Roux <jcxxr(at)yahoo(dot)com> wrote:
> Hello,
> I have a table like this:
> create table dummy (value integer primary key);
> and I insert a row like this
> insert into dummy values(0);
> then I want to insert three rows:
> insert into dummy values(0);
> insert into dummy values(1);
> insert into dummy values(2);

> none of them will be inserted because the first insert is a primary key
> violation. How can I have postgreSQL not mind about the error and proceed to
> the next insert. I could send the inserts one at a time but bundling them
> speeds up the process.
> Thanks

if this is bulk insert,
1. insert into scratch table:
create temp table scratch_foo as select * from foo limit 0;
2. insert into scratch, etc.
3. insert into foo select distinct on * from scratch_foo <-- season to taste

merlin

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