sqlite中按自定字段排序
例如：
SELECT *,(R_Path || CAST(R_ID AS VARCHAR) || ',') AS R_FullPath FROM T_R ORDER BY R_FullPath ASC;
sqlite中按自定字段排序
例如：
SELECT *,(R_Path || CAST(R_ID AS VARCHAR) || ',') AS R_FullPath FROM T_R ORDER BY R_FullPath ASC;
