Re: vectorization is not helping with plural to singular matching

PG Doc comments form <noreply@postgresql.org> writes:
> SELECT to_tsvector('fat cats ate fat rats') @@ to_tsquery('fat & rat'); 

> This is giving false, even I tried for various other examples for plural to
> singular matching but it fails. 

The case works for me, but I have

=# show default_text_search_config;
 default_text_search_config 
----------------------------
 pg_catalog.english
(1 row)

I'm betting your default is set to some other language in which
stripping trailing "s" wouldn't make sense.

            regards, tom lane