匿名通过本文主要向大家介绍了mysql,数据迁移,存储过程等相关知识,希望本文的分享对您有所帮助
mysql 数据迁移用的一个存储过程，需要的朋友可以收藏下。
代码如下:DELIMITER $$
USE `servant_591up`$$
DROP PROCEDURE IF EXISTS `sp_move_data`$$
CREATE PROCEDURE `sp_move_data`()
BEGIN
DECLARE v_exit INT DEFAULT 0;
DECLARE v_spid BIGINT;
DECLARE v_id BIGINT;
DECLARE i INT DEFAULT 0;
DECLARE c_table INT;
DECLARE v_UniqueKey VARCHAR(57);
DECLARE v_TagCatalogId INT;
DECLARE v_RootCatalogId INT;
DECLARE v_UserId BIGINT;
DECLARE v_QuestionId CHAR(36);
DECLARE v_CorrectCount INT;
DECLARE v_ErrorCount INT;
DECLARE v_LastIsCorrect INT;
DECLARE v_LastAnswerXML TEXT CHARSET utf8;
DECLARE v_TotalCostTime INT;
DECLARE v_Reviews VARCHAR(200) CHARSET utf8;
DECLARE v_AnswerResultCategory INT;
DECLARE v_LastCostTime INT;
DECLARE v_LastAnswerTime DATETIME;
DECLARE v_IsPublic INT;
DECLARE v_SUBJECT INT;
DECLARE v_TotalCount INT;
DECLARE v_AnswerMode SMALLINT(6);
DECLARE v_ExerciseWeight FLOAT;
DECLARE c_ids CURSOR FOR SELECT UniqueKey,TagCatalogId,RootCatalogId,UserId,QuestionId,CorrectCount,ErrorCount,LastIsCorrect,LastAnswerXML,TotalCostTime,Reviews,AnswerResultCategory,LastCostTime,LastAnswerTime,IsPublic,SUBJECT,TotalCount,AnswerMode,ExerciseWeight FROM ol_answerresult_56;
DECLARE CONTINUE HANDLER FOR NOT FOUND SET v_exit=1;
OPEN c_ids;
REPEAT
FETCH c_ids INTO v_UniqueKey,v_TagCatalogId,v_RootCatalogId,v_UserId,v_QuestionId,v_CorrectCount,v_ErrorCount,v_LastIsCorrect,v_LastAnswerXML,v_TotalCostTime,v_Reviews,v_AnswerResultCategory,v_LastCostTime,v_LastAnswerTime,v_IsPublic,v_SUBJECT,v_TotalCount,v_AnswerMode,v_ExerciseWeight;
IF v_exit = 0 THEN
SET @vv_id = v_id;
SELECT MOD(v_UserId,100) INTO c_table;
SET @SQL_CONTEXT =
CONCAT('INSERT INTO new_answerresult_',
c_table,'
(UniqueKey,TagCatalogId,RootCatalogId,UserId,QuestionId,CorrectCount,ErrorCount,LastIsCorrect,LastAnswerXML,TotalCostTime,Reviews,AnswerResultCategory,LastCostTime,LastAnswerTime,IsPublic,SUBJECT,TotalCount,AnswerMode,ExerciseWeight)values(',
'''',v_UniqueKey,'''',',',
v_TagCatalogId,',',
v_RootCatalogId,',',
v_UserId,',',
'''',v_QuestionId,'''',',',
v_CorrectCount,',',
v_ErrorCount,',',
v_LastIsCorrect,',',
'''',v_LastAnswerXML,'''',',',
v_TotalCostTime,',',
'''',REPLACE(IFNULL(v_Reviews,''),'''',''),'''',',',
v_AnswerResultCategory,',',
v_LastCostTime,',',
'''',v_LastAnswerTime,'''',',',
v_IsPublic,',',
v_SUBJECT,',',
v_TotalCount,',',
v_AnswerMode,',',
v_ExerciseWeight,')');
PREPARE STMT FROM @SQL_CONTEXT;
EXECUTE STMT ;
DEALLOCATE PREPARE STMT;
END IF;
SET i=i+1;
#100
#IF MOD(i,100)=0 THEN COMMIT;
#END IF;
UNTIL v_exit=1
END REPEAT;
CLOSE c_ids;
#COMMIT;
END$$
DELIMITER ;