CREATE STABLE device_log ( ts TIMESTAMP, id NCHAR(50), product_key NCHAR(50), type NCHAR(50), subType NCHAR(50), content NCHAR(1024), report_time TIMESTAMP ) TAGS ( device_key NCHAR(50) ) CREATE TABLE device_log_${deviceKey} USING device_log TAGS('${deviceKey}') INSERT INTO device_log_${log.deviceKey} (ts, id, product_key, type, subType, content, report_time) USING device_log TAGS ('${log.deviceKey}') VALUES ( #{log.ts}, #{log.id}, #{log.productKey}, #{log.type}, #{log.subType}, #{log.content}, #{log.reportTime} )