Home > Database > Mysql Tutorial > body text

mysql中用于数据迁移存储过程分享

WBOY
Release: 2016-06-07 18:03:30
Original
1073 people have browsed it

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 ;
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template