DROP TABLE IF EXISTS diaries;
CREATE TABLE diaries (
name VARCHAR(255),
created_on DATE NULL,
KEY created_on_index(created_on)
) DEFAULT CHARSET=utf8mb4;
INSERT INTO diaries VALUES ('epoch date', '1970-01-01');
INSERT INTO diaries VALUES ('null date', NULL);
INSERT INTO diaries VALUES ('Mroonga release date', '2010-8-19');
SELECT mroonga_command('index_column_diff --table diaries#created_on_index --name index');
mroonga_command('index_column_diff --table diaries#created_on_index --name index')
[]
SELECT * FROM diaries where created_on = '1970-01-01';
name	created_on
epoch date	1970-01-01
null date	1970-01-01
DROP TABLE diaries;
