{"model":"table","object":"sensors","column":"site","category":"TAG","row_count":"2","entity_count":"1","non_null_count":"2","null_count":"0","min_time":"1000","max_time":"2000","time_source":"scan"}
{"model":"table","object":"sensors","column":"room","category":"TAG","row_count":"2","entity_count":"1","non_null_count":"2","null_count":"0","min_time":"1000","max_time":"2000","time_source":"scan"}
{"model":"table","object":"sensors","column":"temp","category":"FIELD","row_count":"2","entity_count":"1","non_null_count":"0","null_count":"2","min_time":"1000","max_time":"2000","time_source":"scan"}
