mysql 批量给数据表和字段添加注释

SELECT TABLE_NAME
FROM INFORMATioN_SCHEMA.TABLES
WHERE TABLE_SCHEMA = 'cyberwing'
INTO OUTFILE '/var/lib/mysql/table.txt';

SELECT CONCAT('ALTER TABLE ', table_name, ' MODIFY COLUMN ', column_name, ' ', column_type, ' COMMENT ', "'", column_comment, "业务运营服务数据';")
FROM information_schema.columns
WHERE table_schema = 'cyberwing' AND table_name IN (SELECT table_name FROM information_schema.tables WHERE table_schema = 'cyberwing')

SET @table_schema = 'cyberwing';
SELECT CONCAT('ALTER TABLE `', TABLE_NAME, '` COMMENT \'业务运营服务数据\';') AS q
FROM information_schema.TABLES
WHERE TABLE_SCHEMA = @table_schema;