Rodrigo Hjort <rodrigo.hj...@gmail.com> writes:
> I created a *custom dictionary* (based on dict_int) and a search
> configuration and a strange behavior happens on *PostgreSQL 8.4.9*.
> ...
> Therefore, when I use *@@ operator* over a *tsvector* column in my table
> the result set is not always the same.
This almost certainly means a bug in your dictionary code.
> 2) Sometimes the value returned by *to_tsquery()* has a ":*" suffix. What
> does that mean?
Prefix search request. Possibly you're forgetting to zero out the
prefix flag?
(Just offhand, it rather looks like dict_int and dict_xsyn are both
assuming that palloc will give back zeroed space, which is bogus...)
regards, tom lane
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