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Re: Bulkloading using COPY - ignore duplicates?

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: "Mikheev, Vadim" <vmikheev(at)SECTORBASE(dot)COM>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Lee Kindness <lkindness(at)csl(dot)co(dot)uk>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Jim Buttafuoco <jim(at)buttafuoco(dot)net>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Bulkloading using COPY - ignore duplicates?
Date: 2002-01-03 21:15:04
Message-ID: 200201032115.g03LF4j22668@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Mikheev, Vadim wrote:
> > > Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > > > Seems nested transactions are not required if we load
> > > > each COPY line in its own transaction, like we do with
> > > > INSERT from pg_dump.
> > > 
> > > I don't think that's an acceptable answer.  Consider
> > 
> > Oh, very good point.  "Requires nested transactions" added to TODO.
> 
> Also add performance issue with per-line-commit...
> 
> Also-II - there is more common name for required feature - savepoints.

OK, updated TODO to prefer savepoints term.

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

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