public function test_mysql($loop_times, $sql = NULL)
{
$tbname = $this->tbname;
$dbname = $this->dbname;
$start_time = microtime(true);
if ($sql == NULL) {
$sql = sprintf("select * from %s", $ops->getTBname());
}
for ($i = 0; $i < $loop_times; $i++) {
$ops = new dbops();
$ops->setTBname($tbname);
$ops->setDBname($dbname);
##$start=$i*rand(1,950); # more then 2w
$start = $i * 128;
$conditions = sprintf("idx > %d and idx < %d;", $start, $start + 1000);
$sql = sprintf("select * from %s where %s", $tbname, $conditions);
$data = $ops->query($sql);
$ops->close();
}
$end_time = microtime(true);
$dbtime = $end_time - $start_time;
return $dbtime;
}
* class and functions
*/
#require_once('mysql_info.php');
require_once 'dbops.php';
require_once 'iredis.php';
echo "数据库测试页面\n <br/>";
date_default_timezone_set('PRC');
echo "当前时间:" . date("Y-m-d H:i:s") . "<br/>";
echo "数据库表如下:<br/>";
## following show the mysql database operation
$ops = new dbops();
#$ops->setDBname("greentea"); # change database
#$ops->setTBname("light_app");
$sql = sprintf("select * from %s", $ops->getTBname());
$data = $ops->query($sql);
$ops->close();
## show the $data in a form
$rows = count($data);
$cols = count($data[0]) / 2;
# two kinds of index: id and type
#$cols=count($data[0]);
$td_width = floor(100 / $cols) . "%";
$tab_str = "<table border=\"1\" width=\"80%\" align=\"left\">\n";
var_dump($data);
for ($i = 0; $i < $rows; $i++) {
$tab_str .= "<tr>\n";
$row_i = $data[$i];
for ($k = 0; $k < $cols; $k++) {
$tab_str .= "<td width=\"{$td_width}\">{$row_i[$k]}</td>\n";
}
$tab_str .= "</tr>\n";
