計測テストしたファイル見つけた

count_tests_model.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class Tests_model extends CI_Model {

	public function __construct()
	{
		parent::__construct();
		$this->load->database();
	}

	public function get_count1()
	{
		$sql   = 'SELECT result_id FROM tests WHERE result = 1';
		$query = $this->db->query($sql);
		return $query->num_rows();
	}

	public function get_count2()
	{
		$sql   = 'SELECT 1 FROM tests WHERE result = 1';
		$query = $this->db->query($sql);
		return $query->num_rows();
	}

	public function get_count3()
	{
		$sql   = 'SELECT COUNT(result_id) AS count FROM tests WHERE result = 1';
		$query = $this->db->query($sql);
		return $query->row()->count;
	}

	public function get_count4()
	{
		return $this->db->where('result', 1)->count_all_results('tests');
	}
}

/* End of file tests_model.php */
/* Location: ./application/models/tests_model.php */