Re: pg_migrator issues - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: pg_migrator issues
Date
Msg-id 201001060304.o0634lp13249@momjian.us
Whole thread Raw
In response to Re: pg_migrator issues  (Bruce Momjian <bruce@momjian.us>)
List pgsql-hackers
Bruce Momjian wrote:
> Bruce Momjian wrote:
> > pg_migrator has become more popular recently, so it seems time to look
> > at some enhancements that would improve pg_migrator.  None of these are
> > required, but rather changes that would be nice to have:
> > 
> > 1)  Right now pg_migrator preserves relfilenodes for TOAST files because
> > this is required for proper migration.  Now that we have shown that
> > strategically-placed global variables with a server-side function to set
> > them is a viable solution, it would be nice to preserve all relfilenodes
> > from the old server.  This would simplify pg_migrator by no long
> > requiring place-holder relfilenodes or the renaming of TOAST files.  A
> > simpler solution would just be to allow TOAST table creation to
> > automatically remove placeholder files and create specified relfilenodes
> > via global variables.
> 
> Attached is a patch that implements #1 above by preserving all
> relfilenodes, with pg_dump support.   It uses the same method I used for
> preserving pg_type/pg_enum.  I have tested this on the regression
> database and it successfully preserved all relfilenodes.
> 
> This patch also removes the 'force' parameter in toast functions that
> Tom added for 8.4 --- it is no longer needed.

Applied.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + If your life is a hard drive, Christ can be your backup. +


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