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MySQL 递归获取某文件夹的全路径

传递参数:文件夹ID

 1 DROP FUNCTION IF EXISTS RecursionFolderFullPath; 2  3 CREATE FUNCTION RecursionFolderFullPath(folderId INT(11))  4 RETURNS VARCHAR(1000) 5 BEGIN 6 declare fullPath VARCHAR(1000) default ‘‘; 7 declare parentId INT(11) default 0; 8  9 select concat(folder_name,/,fullPath),folder_parent_id into fullPath,parentId10 from folder 11 where folder_id=folderId;12 13 WHILE parentId > 0 DO14 select concat(folder_name,/,fullPath),folder_parent_id into fullPath,parentId15 from folder 16 where folder_id=parentId;17 END WHILE;18 19 return fullPath; 20 END;

调用:

 1 select RecursionFolderFullPath(67); 

结果:

 

MySQL 递归获取某文件夹的全路径