Howard Cole <howardnews@selestial.com> writes:
> I have a database on version 8.2.4 and intend to upgrade to the latest
> 8.4.3 version. The 8.2 version has Tsearch2 and I know there are issues
> in upgrading tsearch2 and therefore I was wondering which is the best
> way to do this upgrade.
There's some suggestions in the fine manual ...
http://www.postgresql.org/docs/8.4/static/textsearch-migration.html
regards, tom lane