SELECT ts, raw_ts as rawId, tslver_id as tslverId, guid, line, val, create_time as createTime, msg_id as msgId, name, json_text as jsonText FROM devicesv2.device_67 ts, raw_ts as rawId, tslver_id as tslverId, line, val SELECT FROM devicesv2.device_#{snCode} where line = #{item} order by ts desc limit 1 SELECT FROM devicesv2.device_#{snCode} where line = #{item} order by ts desc limit 2 insert into devicesv2.devices_#{slopeData.serialNumber} using devicesv2.devices (#{slopeData.tagsTitle}) tags (#{slopeData.tags}) (ts, raw_ts, tslver_id, guid, line, val, create_time) VALUES (#{slopeData.ts}, #{slopeData.rawId}, #{slopeData.tslverId}, #{slopeData.guid}, #{slopeData.line}, #{slopeData.val}, #{slopeData.createTime}) SELECT FROM devicesv2.device_#{snCode} where line = #{item} and ts >= #{dateStart} and ts <= #{dateEnd} order by ts desc select * from information_schema.ins_tables a where a.db_name = 'devices' and a.table_name = #{name} CREATE TABLE #{name} ( ts TIMESTAMP, raw_id TIMESTAMP, tslver_id TINYINT(4), guid VARCHAR(64), line VARCHAR(16), val VARCHAR(16), create_time TIMESTAMP ) SELECT FROM devicesv2.devices limit #{page},#{pageSize} SELECT FROM devicesv2.devices SELECT FROM devicesv2.device_${deviceCode} order by ts desc limit 1