Re: SQL Newbie Question

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On 01/25/07 09:54, btober(at)ct(dot)metrocast(dot)net wrote:
> Ron Johnson wrote:
>> On 01/25/07 09:30, Inoqulath wrote:
[snip]
> I think he is not asking "How do I insert duplicate rows into a
> unique-constrained column?", but rather that he wants to have the insert
> transaction proceed successfully, ignoring the duplicates, i.e., the
> resulting inserted rows will number less than the original source rows
> by exactly the subset of duplicate source rows.

Ah, ok.

> My suggestion would be to load the data into an unconstrained temporary
> table, then select distinct from that for insertion into your actual
> working table.

That works on tables of a few thousand rows. Even a few million
rows. Doesn't scale, though.

Savepoints might be a workaround, also.

Still, pg *really* needs a "not rollback on error" mode. Throw the
exception, let the app handle it and keep on going.

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