Re: invalid page header in pg_statistic

On Wednesday February 7 2007 9:01 am, Tom Lane wrote:
> "Ed L." <pgsql@bluepolka.net> writes:
> > How do I fix this 7.4.6 issue short of initdb?
> >     invalid page header in block 110 of relation "pg_statistic"
> > I looked at the block via pg_filedump (included below), and
> > it does not appear to me to be corrupted, so not sure what I
> > would zero out, if anything.
>
> Seems odd to me too ... but pg_statistic doesn't contain any
> irreplaceable data.  See if you can TRUNCATE it.  If so, do
> an ANALYZE to repopulate it.  I don't recall if 7.4 has any
> special hoops you'd have to jump through to truncate a system
> catalog ...

$ psql -c "truncate table pg_statistic"
ERROR:  permission denied: "pg_statistic" is a system catalog

I suppose this means single-user mode is required?  Any other
trick to do this during uptime?

TIA.
Ed