Re: Slow query because lexeme index not used

2021-08-07 Thread Justin Pryzby
On Sat, Aug 07, 2021 at 07:35:25PM +, Alex wrote: > Table "product" has a GIN index on "lexeme" column (tsvector) that is not > used. > > Query that doesn't use lexeme idx:  https://explain.dalibo.com/plan/BlB#plan, > ~8s, ~60.000 blocks needed > > Query forced to use lexeme idx: https://ex

Slow query because lexeme index not used

2021-08-07 Thread Alex
Table "product" has a GIN index on "lexeme" column (tsvector) that is not used. Query that doesn't use lexeme idx:  https://explain.dalibo.com/plan/BlB#plan, ~8s, ~60.000 blocks needed Query forced to use lexeme idx: https://explain.dalibo.com/plan/i52, ~800ms (10x less), ~15.000 blocks needed