DROP TABLE IF EXISTS diaries;
CREATE TABLE diaries (
title TEXT,
created_at DATETIME NULL,
KEY created_at_index(created_at)
) DEFAULT CHARSET=utf8mb4;
INSERT INTO diaries VALUES ('epoch datetime', '1970-01-01 00:00:00');
INSERT INTO diaries VALUES ('null datetime', NULL);
INSERT INTO diaries VALUES ('Mroonga release datetime', '2010-8-19 10:08:19');
SELECT mroonga_command('index_column_diff --table diaries#created_at_index --name index');
mroonga_command('index_column_diff --table diaries#created_at_index --name index')
[]
SELECT * FROM diaries WHERE created_at = '1970-01-01 00:00:00';
title	created_at
epoch datetime	1970-01-01 00:00:00
null datetime	1970-01-01 00:00:00
DROP TABLE diaries;
