migration - Add comment to SQL table -

how can add comment specific sql-table in yii2 migration?

sql code:

alter table my_table comment 'hello world'

i wand in within migration in orm way

in yii2 format

• addcommentoncolumn($table, $column, $comment)
• dropcommentfromcolumn($table, $column)
• addcommentontable($table, $comment)
• dropcommentfromtable($table)

example: in migration file

$this->addcommentoncolumn('user','role_id','relation table of role');