mysql存儲進程完成split示例

mysql存儲進程完成split示例。本站提示廣大學習愛好者：（mysql存儲進程完成split示例）文章只能為提供參考，不一定能成為您想要的結果。以下是mysql存儲進程完成split示例正文

call PROCEDURE_split('分享,代碼,片斷',',');
select * from splittable;

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 ;