What is incorrect in the following query?
CREATE TABLE `tbl_user_geolocation` (
`id` INT(11) NOT NULL AUTO_INCREMENT COMMENT 'Идентификатор',
`user_id` VARCHAR(100) NOT NULL COMMENT 'ID пользователя',
`client_type` VARCHAR(38) NULL DEFAULT NULL COMMENT 'Тип клиента',
`lat` DECIMAL(28,8) NOT NULL COMMENT 'Широта',
`lon` DECIMAL(28,8) NOT NULL COMMENT 'Долгота',
`created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT 'Дата создания',
PRIMARY KEY (`id`, `user_id`)
)
PARTITION BY HASH(id+user_id) PARTITIONS 200;
Error: The partition function returns the wrong type. 1491. This table using for save users geo-location data