mysql에서 인라인 쿼리를 실행하는 방법

Question

mysql의 TSP (여행사 문제) 솔루션으로 작업 중입니다. 내가 쿼리

-- variable coming from java 

    CREATE PROCEDURE solve_tsp(
    inout ids varchar(21845); 
    ) 
    begin 
    declare ret_ids varchar(21845); 
    -- some code 

    while length(ids) > 0 do 

    -- some assignment 
     SELECT to_id,distance into @l_tmp_id,@l_distance FROM mst_distance_matrix WHERE from_id =',@l_tmp_id,' AND 
to_id IN (ids) -- ids is variable contains comma delimited string. 
order by distance desc limit 1 

    -- concat value of to_id in ret_ids variable and then remove from ids variable 

    end while; 

    select ret_ids; 
    end; 

Answer 1

현재 보여야 다음 실행하려는 우리가 절차를 개발하려고하는 그에 대한

.

http://dev.mysql.com/doc/refman/5.0/en/sql-syntax-prepared-statements.html

예 :도

PREPARE stmt1 FROM 'SELECT SQRT(POW(?,2) + POW(?,2)) AS hypotenuse'; 
SET @a = 3; 
SET @b = 4; 
EXECUTE stmt1 USING @a, @b; 
DEALLOCATE PREPARE stmt1; 

참조 :

Dynamic Query in MySQL