Created
April 7, 2017 13:15
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convert mysql db to utf8mb4
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delimiter // | |
DROP PROCEDURE IF EXISTS convert_database_to_utf8mb4 // | |
CREATE PROCEDURE convert_database_to_utf8mb4() | |
BEGIN | |
DECLARE table_name VARCHAR(255); | |
DECLARE done INT DEFAULT FALSE; | |
DECLARE cur CURSOR FOR | |
SELECT t.table_name FROM information_schema.tables t WHERE t.table_schema = DATABASE() AND t.table_type='BASE TABLE'; | |
DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE; | |
OPEN cur; | |
tables_loop: LOOP | |
FETCH cur INTO table_name; | |
IF done THEN | |
LEAVE tables_loop; | |
END IF; | |
SET @sql = CONCAT("ALTER TABLE ", table_name, " CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci"); | |
PREPARE stmt FROM @sql; | |
EXECUTE stmt; | |
DROP PREPARE stmt; | |
END LOOP; | |
CLOSE cur; | |
END // | |
delimiter ; | |
call convert_database_to_utf8mb4(); |
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