Hello to my mind I may be done, because `id` is primary key of `o` table
Friday, July 12, 2019, 1:04:27 PM, you wrote: > Hello PostgreSQL-development, > something's stopping the planner from being able to deduce that > (t.o).id is safe to push through a GROUP BY ocd.o > SELECT * FROM ( > SELECT > sum( t.group_suma ) OVER( PARTITION BY t.id ) > AS total_suma, > -- sum( t.group_suma ) OVER( PARTITION > BY (t.o).id ) AS total_suma, -- For any WHERE this takes 2700ms > * > FROM ( > SELECT > sum( ocd.item_cost ) AS group_cost, > sum( ocd.item_suma ) AS group_suma, > max( (ocd.ic).consumed ) AS consumed, > (ocd.ic).consumed_period, > ocd.o, > (ocd.o).id > FROM order_cost_details( tstzrange( > '2019-04-01', '2019-05-01' ) ) ocd > GROUP BY ocd.o, (ocd.o).id, > (ocd.ic).consumed_period > ) t > ) t > WHERE t.id = 6154 AND t.consumed_period @> > '2019-04-01'::timestamptz -- This takes 2ms > -- WHERE (t.o).id = 6154 AND t.consumed_period @> > '2019-04-01'::timestamptz -- This takes 2700ms > More info is here: https://stackoverflow.com/q/57003113/4632019 -- Best regards, Eugen Konkov