Re: Bulkloading using COPY - ignore duplicates?

Vadim Mikheev <vmikheev@sectorbase.com>

From: "Mikheev, Vadim" <vmikheev@SECTORBASE.COM>
To: "'Tom Lane'" <tgl@sss.pgh.pa.us>
Cc: Zeugswetter Andreas SB SD <ZeugswetterA@spardat.at>, Lee Kindness <lkindness@csl.co.uk>, pgsql-hackers@postgresql.org
Date: 2001-10-01T21:56:01Z
Lists: pgsql-hackers
> > But what about BEFORE insert/update triggers which could
> > insert records too?
> 
> Well, what about them?  It's already possible for a later
> BEFORE trigger to cause the actual insertion to be suppressed,
> so I don't see any difference from what we have now.
> If a BEFORE trigger takes actions on the assumption that the
> insert will happen, it's busted already.

This problem could be solved now by implementing *single* trigger.
In future, we could give users ability to specify trigger
execution order.
But with proposed feature ...

> Mind you, I'm not actually advocating that we do any of this ;-).

I understand -:)

> I was just sketching a possible implementation approach in
> case someone wants to try it.

And I'm just sketching possible problems -:)

Vadim