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