Specification of new hashing algo drops the requirement for a key to be specified

12.3.0-dbg>CREATE TABLE t (c INT PRIMARY KEY) ENGINE=InnoDB PARTITION BY KEY PARTITIONS 5;

ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'PARTITIONS 5' at line 1

12.3.0-dbg>CREATE TABLE t (c INT PRIMARY KEY) ENGINE=InnoDB PARTITION BY KEY ALGORITHM=CRC32C() PARTITIONS 5;

Query OK, 0 rows affected (0.030 sec)

12.3.0-dbg>SHOW CREATE TABLE t\G

*************************** 1. row ***************************

       Table: t

Create Table: CREATE TABLE `t` (

  `c` int(11) NOT NULL,

  PRIMARY KEY (`c`)

) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci

 PARTITION BY KEY ALGORITHM = CRC32C ()

PARTITIONS 5

1 row in set (0.001 sec)