mysql存储过程实现split mysql drop procedure if exists procedure_split;create procedure `procedure_split`( inputstring varchar(1000), delim char(1))begin declare strlen int default length(inputstring); declare last_index int default 0; decla
        											mysql存储过程实现split    		    			    											mysql 								    		    				    			            	            	            	            	            	            	            	drop procedure if exists procedure_split;create procedure `procedure_split`(    inputstring varchar(1000),    delim char(1))begin    declare strlen int default length(inputstring);    declare last_index int default 0;    declare cur_index int default 1;    declare cur_char varchar(200);    declare len int;    drop temporary table if exists splittable;    create temporary table splittable(        value varchar(20)    ) ;    while(cur_index<=strlen) do        begin        if substring(inputstring from cur_index for 1)=delim or cur_index=strlen then            set len=cur_index-last_index-1;            if cur_index=strlen then               set len=len+1;            end if;            insert into splittable(`value`)values(substring(inputstring from (last_index+1) for len));            set last_index=cur_index;        end if;        set cur_index=cur_index+1;    end;    end while;end ;
call procedure_split('中国,开源,社区',',');select * from splittable;
   
 
   