DROP TABLE IF EXISTS numbers;
CREATE TABLE numbers (
name VARCHAR(255),
value DOUBLE NULL,
KEY value_index(value)
) DEFAULT CHARSET=utf8mb4;
INSERT INTO numbers VALUES ("zero", 0.0);
INSERT INTO numbers VALUES ("null", NULL);
INSERT INTO numbers VALUES ("pi", 3.14);
SELECT mroonga_command("index_column_diff --table numbers#value_index --name index");
mroonga_command("index_column_diff --table numbers#value_index --name index")
[]
SELECT * FROM numbers WHERE value = 0.0;
name	value
zero	0
null	0
DROP TABLE numbers;
