Tom Lane wrote:
> Jesper Krogh 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/tsearc
Jesper Krogh 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 wan
Hi
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:
ftstest=# explain select id from ftstest where ftstest_body_fts @@
to_tsquery('nonexistingterm') order by id limit 10;