framework/db/Migration.php
public function batchInsert($table, $columns, $rows)
    {
        $time = $this->beginCommand("insert into $table");
        $this->db->createCommand()->batchInsert($table, $columns, $rows)->execute();
        $this->endCommand($time);
    }
public function batchInsert($table, $columns, $rows)
    {
        $time = $this->beginCommand("insert into $table");
        $this->db->createCommand()->batchInsert($table, $columns, $rows)->execute();
        $this->endCommand($time);
    }
Creates and executes a batch INSERT SQL statement.
The method will properly escape the column names, and bind the values to be inserted.
@param string $table the table that new rows will be inserted into.
@param array $columns the column names.
@param array $rows the rows to be batch inserted into the table