MySQL 自定义函数_mysql随机时间函数

delimiter $$

use `test`$$

drop function if exists `queryOnePartnerIdById`$$

create  function `queryOnePartnerIdById`(_id bigint) returns varchar(4000) charset utf8
begin	
	if _id is null or _id='' or _id=0 then
	    return null;	
        end if ;
		
	select GROUP_CONCAT(id) into @__selectTmpID from lcs_member where del_flag=0 and belong_to_partner>0 and FIND_IN_SET(belong_to_partner,_id)>0;
	if (@__selectTmpID!='' and @__selectTmpID is not null ) then
	    return  @__selectTmpID;
	else
	    return null;
	end if;
	
    end$$

delimiter ;

delimiter $$

use `test`$$

drop function if exists `queryOnePartnerUuidByUuid`$$

create  function `queryOnePartnerUuidByUuid`(_uuid varchar(4000)) returns varchar(4000) charset utf8
begin		
	set _uuid=TRIM(_uuid);
	
	if _uuid is null or _uuid='' then
	    return null;	
        end if ;	
	
	select GROUP_CONCAT(id) into @__userID from lcs_member where del_flag=0 and  user_uuid=_uuid;
	if  @__userID is null or  @__userID='' then
	    return null;	
        end if ;	
			
	select GROUP_CONCAT(id),GROUP_CONCAT(user_uuid) into @__selectTmpID,@_user_uuid from lcs_member where  del_flag=0 and belong_to_partner>0 and FIND_IN_SET(belong_to_partner,@__userID)>0;
	if (@__selectTmpID!='' and @__selectTmpID is not null ) then 
	    return @_user_uuid;
	else
	    return null;	
	end if;	
	
    end$$

delimiter ;

select queryOnePartnerIdById(318);

select * from lcs_member   where FIND_IN_SET(id, queryOnePartnerIdById(318));      

select queryOnePartnerUuidByUuid('9974A2EC6DCE8AB0E')

select * from lcs_member   where FIND_IN_SET(user_uuid,  queryOnePartnerUuidByUuid('9974A2EC6DCE8AB0E'));