| -- @Description Basic lazy vacuum |
| CREATE TABLE uaocs_basic (a INT, b INT, c CHAR(128)) WITH (appendonly=true, orientation=column); |
| |
| INSERT INTO uaocs_basic SELECT i as a, 1 as b, 'hello world' as c FROM generate_series(1, 10) AS i; |
| INSERT INTO uaocs_basic SELECT i as a, 1 as b, 'hello world' as c FROM generate_series(1, 10) AS i; |
| ANALYZE uaocs_basic; |
| |
| DELETE FROM uaocs_basic WHERE a < 4; |
| SELECT COUNT(*) FROM uaocs_basic; |
| VACUUM uaocs_basic; |
| -- check if we get the same result afterwards |
| SELECT COUNT(*) FROM uaocs_basic; |
| -- check if we can still insert into the relation |
| INSERT INTO uaocs_basic VALUES (11, 11); |
| SELECT COUNT(*) FROM uaocs_basic; |