MOD and DIV operators not behaving as InnoDB

DROP TABLE IF EXISTS t1;

CREATE TABLE t1 (a DECIMAL(10,2)) ENGINE=ColumnStore;

INSERT INTO t1 VALUES (1.21),(12.1);

SELECT a, a MOD 1.1, a DIV 1.1 FROM t1;

+-------+-----------+

| a     | a MOD 1.1 |

+-------+-----------+

|  1.21 |      0.21 |

| 12.10 |      0.10 |

+-------+-----------+

DROP TABLE IF EXISTS t1;

CREATE TABLE t1 (a DECIMAL(10,2)) ENGINE=InnoDB;

INSERT INTO t1 VALUES (1.21),(12.1);

SELECT a, a MOD 1.1, a DIV 1.1 FROM t1;

+-------+-----------+

| a     | a MOD 1.1 |

+-------+-----------+

|  1.21 |      0.11 |

| 12.10 |      0.00 |

+-------+-----------+