Jesper Krogh <jes...@krogh.cc> writes:
> It seems to me that the row estimates on a ts_vector search is a bit on
> the low side for terms that is not in th MCV-list in pg_stats:

tsvector has its own selectivity estimator that's not like plain scalar
equality.  Look into src/backend/tsearch/ts_selfuncs.c if you want to
see the rules.

                        regards, tom lane

-- 
Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-performance

Reply via email to