CREATE TABLE IF NOT EXISTS `map_grid_relation` (
`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
`relation_id` char(36) NOT NULL COMMENT '关联ID',
`grid_id` char(36) NOT NULL COMMENT '网格ID',
PRIMARY KEY (`id`,`relation_id`),
KEY `relation_id` (`relation_id`) USING BTREE,
KEY `grid_id` (`grid_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='网格与关联';
INSERT INTO map_grid_relation(
grid_id,
relation_id
) VALUES(
#{gridId},
#{relationId}
)
DELETE FROM
map_grid_relation
grid_id = #{gridId}
AND
grid_id IN
#{gridIds[${index}]}
AND
relation_id = #{relationId}