-- -- test5.sql -- \pset null (null) -- create table t500(x int, y date) partition by range(y); create table t500_2020 partition of t500 for values from ('2020-01-01') to ('2020-12-31'); -- -- select min(y) from t500; -- create table t500_2021 partition of t500 for values from ('2021-01-01') to ('2021-12-31'); -- create table t500_2022 partition of t500 for values from ('2022-01-01') to ('2022-12-31'); -- -- select max(y) from t500;