Re: [SQL] how to create index on timestamp field in pre v7 database

> "Moray McConnachie" <moray.mcconnachie@computing-services.oxford.ac.uk> writes:
> > Agreed - but note that pg_dump currently produces CREATE INDEX
> > statements with opclasses included.
> 
> Right, as it should since its purpose is to ensure you rebuild exactly
> the same database.  I was just opining that handwritten CREATE INDEXes
> usually can omit the opclass.  (BTW, I fixed the problem with functional
> indexes needing an explicit opclass spec last night.)
> 
> > That means running a script created by pg_dump v.6.5.x will fail under
> > 7.0 because there is no index opclass of the type datetime?
> 
> An embarrassing problem.  We are going to work around this by having
> the 7.0 parser discard the word "datetime" if it sees it in the opclass
> position.  There are a couple of other now-dead opclass names that will
> be discarded in the same way.  Klugy, but it will get the job done for
> reading old dump files.
> 
> (This hack is not in 7.0beta1, but will be in beta2.)

It is my understanding we are generating a new beta every night, so it
should be there now.

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