MySQL modifies multiple tables and adds multiple fields through SQL

// Set up current sessin In the session group_concat Maximum storage length , Default 1024

SET SESSION group_concat_max_len = 20240;

show variables like 'group_concat_max_len'

// After querying multiple tables , Dynamic splicing alert sentence
select group_concat('alter table ', table_schema, '.', table_name, ' add column test INT(10);' SEPARATOR "") 

from information_schema.tables

WHERE TABLE_SCHEMA = 'db_vue_pro' and table_name not like 'act_%'