Re: toast error after pg_upgrade 9.0.4 -> 9.1rc1

Lou Picciano wrote:
> After running an essentially uneventful* pg_upgrade from 9.0.4 ->
> 9.1rc1, we are seeing some toast errors logged on the new cluster:
> 
> All are of this pattern: ERROR: missing chunk number 0 for toast value
> 130087 in pg_toast_34735
> 
> Have seen the same pattern for a few of the databases in the 9.1rc1
> cluster, and all as a result of a select on a usr table (the offending
> SELECT happens to be the first one any of these DBs sees, as it's the
> first step in a user authentication process). SELECT count(*) does not
> produce an error.
> 
> *almost uneventful: We also saw messages that the destination cluster
> did not have one of our schema - (of course it didn't!) - I didn't
> realize pg_upgrade doesn't 'do' schema?

I have fixed two errors in pg_upgrade since 9.1rc1 was released.  Can
you use git 9.1 head or wait for 9.1rc2 or 9.1 final?  I can email you
patches if you prefer.

-- Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + It's impossible for everything to be true. +