framework/db/Migration.php
public function addCommentOnTable($table, $comment)
    {
        $time = $this->beginCommand("add comment on table $table");
        $this->db->createCommand()->addCommentOnTable($table, $comment)->execute();
        $this->endCommand($time);
    }
public function addCommentOnTable($table, $comment)
    {
        $time = $this->beginCommand("add comment on table $table");
        $this->db->createCommand()->addCommentOnTable($table, $comment)->execute();
        $this->endCommand($time);
    }
Builds a SQL statement for adding comment to table.

@param string $table the table to be commented. The table name will be properly quoted by the method.
@param string $comment the text of the comment to be added. The comment will be properly quoted by the method.
@since 2.0.8