framework/db/Migration.php
public function renameTable($table, $newName)
    {
        $time = $this->beginCommand("rename table $table to $newName");
        $this->db->createCommand()->renameTable($table, $newName)->execute();
        $this->endCommand($time);
    }
public function renameTable($table, $newName)
    {
        $time = $this->beginCommand("rename table $table to $newName");
        $this->db->createCommand()->renameTable($table, $newName)->execute();
        $this->endCommand($time);
    }
Builds and executes a SQL statement for renaming a DB table.
@param string $table the table to be renamed. The name will be properly quoted by the method.
@param string $newName the new table name. The name will be properly quoted by the method.