Re: tsearch in core patch, for inclusion

On Thu, 25 Jan 2007, Nikolay Samokhvalov wrote:

> On 1/25/07, Teodor Sigaev <teodor@sigaev.ru> 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.

    Regards,        Oleg
_____________________________________________________________
Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru),
Sternberg Astronomical Institute, Moscow University, Russia
Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/
phone: +007(495)939-16-83, +007(495)939-23-83