MySql逗号拼接字符串查询的两种方法_Mysql_

 select * from XXX where FIND_PART_IN_SET('1,3,6','1,2,3,4,5')

 select * from XXX where FIND_ALL_PART_IN_SET('1,3,6','1,2,3,4,5')

 CREATE DEFINER = `root`@`%` FUNCTION `NewProc`(str1 text,str2 text) RETURNS text BEGIN #传入两个逗号分割的字符串，判断第二个字符串是否包含第一个字符串split之后的单个 DECLARE CURRENTINDEX INT;#当前下标 DECLARE CURRENTSTR text; DECLARE result int; set result = 0; set CURRENTINDEX = 0; set CURRENTSTR = ''; IF str1 IS NOT NULL AND str1 != '' THEN SET CURRENTINDEX = LOCATE(',',str1); WHILE CURRENTINDEX > 0 DO SET CURRENTSTR = substring(str1,1,CURRENTINDEX-1); if FIND_IN_SET(CURRENTSTR,str2) THEN set result = 1; end if; SET str1 = substring(str1,CURRENTINDEX+1); SET CURRENTINDEX = LOCATE(',',str1); END WHILE; #只传一个 和 最后无逗号的情况 IF LENGTH(str1) > 0 THEN if FIND_IN_SET(str1,str2) THEN set result = 1; end if; END IF; END IF; RETURN result; END;

 CREATE DEFINER = `root`@`%` FUNCTION `NewProc`(str1 text,str2 text) RETURNS text BEGIN #传入两个逗号分割的字符串，判断第二个字符串是否全部包含第一个字符串split之后的单个 DECLARE CURRENTINDEX INT;#当前下标 DECLARE CURRENTSTR text; DECLARE RESULT int; DECLARE TOTALCOUNT int; DECLARE TRUECOUNT int; set RESULT = 0; set CURRENTINDEX = 0; set CURRENTSTR = ''; set TOTALCOUNT = 0; set TRUECOUNT = 0; IF str1 IS NOT NULL AND str1 != '' THEN SET CURRENTINDEX = LOCATE(',',str1); WHILE CURRENTINDEX > 0 DO SET TOTALCOUNT = TOTALCOUNT + 1; SET CURRENTSTR = substring(str1,1,CURRENTINDEX-1); if FIND_IN_SET(CURRENTSTR,str2) THEN SET TRUECOUNT = TRUECOUNT + 1; end if; SET str1 = substring(str1,CURRENTINDEX+1); SET CURRENTINDEX = LOCATE(',',str1); END WHILE; #只传一个 和 最后无逗号的情况 IF LENGTH(str1) > 0 THEN SET TOTALCOUNT = TOTALCOUNT + 1; if FIND_IN_SET(str1,str2) THEN SET TRUECOUNT = TRUECOUNT + 1; end if; END IF; END IF; IF TOTALCOUNT > 0 AND TRUECOUNT = TOTALCOUNT THEN SET RESULT = 1; END IF; RETURN result; END;