Mysql modifies the table name to uppercase stored procedures _mysql

Source: Internet
Author: User
Tags prepare table name

This article shares the MySQL stored procedure that modifies the table name to uppercase, as follows

1. Conditions:
1.1 MySQL settings are case sensitive
2. Execute the following stored procedures:

 #call uppercase (' Library name ') DROP PROCEDURE IF EXISTS uppercase;  
  
CREATE PROCEDURE Uppercase (in dbname VARCHAR) is BEGIN DECLARE done INT DEFAULT 0;  
  
DECLARE oldname VARCHAR (200); DECLARE cur CURSOR for SELECT table_name from INFORMATION_SCHEMA.  
  
TABLES WHERE table_schema = dbname;  
  
DECLARE CONTINUE HANDLER for does FOUND SET done = 1;  
  
OPEN cur;  
  
REPEAT FETCH cur into oldname;  
SET @newname = UPPER (oldname);   
SET @isNotSame = @newname <> BINARY oldname;    
IF not do && @isNotSame THEN SET @SQL = CONCAT (' Rename table ', Oldname, ' to ', LOWER (@newname), ' _tmp ');   
PREPARE tmpstmt from @SQL;  

EXECUTE tmpstmt;   
SET @SQL = CONCAT (' Rename table ', LOWER (@newname), ' _tmp ' to ', @newname, ' ");   
PREPARE tmpstmt from @SQL; 
  
EXECUTE tmpstmt;  
  
Deallocate PREPARE tmpstmt;   
End IF;   
UNTIL do end REPEAT;   
Close cur; End 

3. Execute the statement
Call uppercase (' Library name ');

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