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Re: pg_upgrade and reg* system oid user types

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Glen Barber <glen(dot)j(dot)barber(at)gmail(dot)com>
Cc: Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-testers(at)postgresql(dot)org
Subject: Re: pg_upgrade and reg* system oid user types
Date: 2010-08-03 19:05:06
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Lists: pgsql-testers
Glen Barber wrote:
> On 8/3/10 2:36 PM, Bruce Momjian wrote:
> >>> I was wondering if users were storing text search reg* data types in
> >>> their user tables.  Is this common?  Why only pre-8.3?
> >>>
> >>
> >> The database I am using in testing 9.0 is a development database which
> >> mimics our production environment as closely as it can.  This particular
> >> data has been through several PostgreSQL upgrades, beginning with 7.4,
> >> if I remember correctly.  The reg* data types in user tables is from
> >> before tsearch functionality was added to core.
> > 
> > OK, good to know.  I am hoping that isn't something that many people
> > have in their databases.  We can fix the reg* migration, but it is too
> > late for 9.0 and fixing it will require additional code in the backend
> > that we would prefer to avoid.
> > 
> I wasn't sure if it would be common.  I was able to move forward with a
> dump/restore for now; I'll remove the user tables in question and run it
> through pg_upgrade again later this week.

Yes, pg_upgrade should have recommended manual upgrade of tables using
reg* so you could still use pg_upgrade.

  Bruce Momjian  <bruce(at)momjian(dot)us>

  + It's impossible for everything to be true. +

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