On Thursday 25 January 2007 12:51, Oleg Bartunov wrote:
> On Thu, 25 Jan 2007, Nikolay Samokhvalov wrote:
> > On 1/25/07, Teodor Sigaev <[EMAIL PROTECTED]> wrote:
> >> It's should clear enough for now - dump data from old db and load into
> >> new one.
> >> But dump should be without any contrib/tsearch2 related functions.
> >
> > Upgrading from 8.1.x to 8.2.x was not tivial because of very trivial
> > change in API (actually not really API but the content of "pg_ts_*"
> > tables): russian snowball stemming function was forked to 2 different
> > ones, for koi8 and utf8 encodings. So, as I  dumped my pg_ts_* tables
> > data (to keep my tsearch2 settings), I saw errors during restoration
> > (btw, why didn't you keep old russian stemmer function name as a
> > synonym to koi8 variant?) -- so, I had to change my dump file
> > manually, because I didn't manage to follow "tsearch2 best practices"
> sed and grep did the trick.
> > (to use some kind of "bootstrap" script that creates tsearch2
> > configuration you need from default one -- using several INSERTs and
> > UPDATEs). And there were no upgrade notes for tsearch2.
> This is unfair, you promised to write upgrade notes and we discussed the
> problem with name change before release and I rely on you. It was my fault,
> of course.

I got bit by this today and, afaict the best solution for the status quo would 
be to change the install schema to something like tsearch2, which would then 
allow for much easier dump and restore handling. 

Robert Treat
Build A Brighter LAMP :: Linux Apache {middleware} PostgreSQL

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