public function setBatch($size, array $replace=[]) {
		$this->batch_size = $size;
		$this->batch_replace = $replace;
		return $this;
	}
public function setBatch($size, array $replace=[]) {
		$this->batch_size = $size;
		$this->batch_replace = $replace;
		return $this;
	}
public function setBatch ( $ size , array $ replace = [ ] ) { $ this -> batch_size = $ size ; $ this -> batch_replace = $ replace ; return $ this ; }
Set insert batch size and replace parameters.
@param  integer    $size
@param  array $replace
@return static
Set insert batch size and replace parameters .