Re: Upsert Functionality using CTEs - Mailing list pgsql-general

From Sergey Konoplev
Subject Re: Upsert Functionality using CTEs
Date
Msg-id CAL_0b1vqVLW0p=Qf=iiQHf79F0FvZXyiBOhNd6Z=uCgm-WyBOg@mail.gmail.com
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In response to Upsert Functionality using CTEs  (Tim Uckun <timuckun@gmail.com>)
List pgsql-general
On Sun, Feb 10, 2013 at 5:23 PM, Tim Uckun <timuckun@gmail.com> wrote:
> This works pretty good except for when the top 100 records have
> duplicated email address (two sales for the same email address).

How is it assumed to work when the migrating email already exists in people?

>
> I am wondering what the best strategy is for dealing with this
> scenario.  Doing the records one at a time would work but obviously it
> would be much slower.  There are no other columns I can rely on to
> make the record more unique either.
>
>
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