Memcached 海量数据 分片存储 (未完)

<?php
require("dblib.php");
define("START_TIME", 5);
define("END_TIME", 7);
function formatQueryString($query){
	$array_result = explode(' ', $query);
	//取请求的sql语句, 分隔成array数组, 对N个小时的请求
	sscanf($array_result[START_TIME], "begin_time>'%d-%d-%d'", $s_year, $s_mouth, $s_day);//开始时间
	sscanf($array_result[END_TIME], "begin_time

<?php
/* dbConnect 
 * host: ip;
 * name: mysql user;
 * passwd: user's passwd;
 * db: database
 */
function dbConnect($host, $name, $passwd, $db){
	if(!$link = mysql_connect($host, $name, $passwd)){
		printf('Connect to %s[name:%s passwd%s] failed.', $host, $name, $passwd);
		exit(-1);
	}
	
	if(!mysql_select_db($db, $link)){
		printf('No such database which name is %s.', $db);
		exit(-1);
	}
	return $link;
}
/* dbQuery
 * sql: select query
 */
function dbQuery($sql, $link){
	if(!$result = mysql_query($sql, $link)){
		echo mysql_errno($link) . ": " . mysql_error($link) . "\n";
		return FALSE;
	}else{
		while ($row=mysql_fetch_assoc($result)){
			$arr[]=$row;
		}
		return $arr;
	}
}
?>