CREATE TABLE IF NOT EXISTS `history_minutely_${timeUnits}` ( `mac` VARCHAR (30) DEFAULT NULL COMMENT '设备mac', `time` datetime DEFAULT NULL COMMENT '数据时间', `value` json DEFAULT NULL COMMENT '数据', `version` INT (11) DEFAULT NULL COMMENT '型号', KEY `idx_mac_time` (`mac`,`time`) ) ENGINE=INNODB DEFAULT CHARSET=utf8 COMMENT '分钟数据表' SELECT mac, `value`, version FROM history_minutely_${timeUnits} WHERE `time` =]]> #{start} AND `time` #{end} AND mac IN #{mac} SELECT mac FROM history_minutely_${timeUnits} WHERE `time` =]]> #{start} AND `time` #{end} AND mac IN #{mac} group by mac SELECT mac, `time`, `value` FROM history_minutely_${timeUnits} WHERE `time` =]]> #{start} AND `time` #{end}