mysql_query

_______________________批量修改MySQL表前缀名称

ALTER TABLE ssc__played RENAME TO ssc_played;
ALTER TABLE ssc__played_group RENAME TO ssc_played_group;
ALTER TABLE ssc__score_goods RENAME TO ssc_score_goods;
ALTER TABLE ssc__score_swap RENAME TO ssc_score_swap;
ALTER TABLE ssc__sysadmim_session RENAME TO ssc_sysadmim_session;
ALTER TABLE ssc__sysadmin_bank RENAME TO ssc_sysadmin_bank;
ALTER TABLE ssc__sysadmin_session RENAME TO ssc_sysadmin_session;
ALTER TABLE ssc__sysmember RENAME TO ssc_sysmember;
ALTER TABLE ssc__type RENAME TO ssc_type;

select table_name FROM information_schema.tables;
select table_name FROM information_schema.tables where table_name like 'xy_%';
Select CONCAT( 'ALTER TABLE ', table_name, ' RENAME TO ssc', substring(table_name,5 ),';' )FROM information_schema.tables Where table_name LIKE 'ssc_%';

@$con=mysql_connect("localhost","root","");
mysql_select_db("abc",$con);
mysql_query("set names utf8");
//$sql="update user set agent_id=4 where id = 11";
//$sql="insert into user (agent_id) VALUES ('4')";
$sql="delete from user where id = 10537";
$sql2="select agent_id from user where id = 11 limit 1";
$rs=query($sql);
$rs2=query($sql2);

SELECT DATE_FORMAT( deteline, "%Y-%m-%d %H" ) , COUNT( * ) 
FROM test

GROUP BY DATE_FORMAT( deteline, "%Y-%m-%d %H" ) 

查询某天：

deteline, "%Y-%m-%d

某时：

deteline, "%Y-%m-%d %H"

依次类推。

其实就是对dateline进行处理，然后再对处理后的数据分组

function query($sql){
    if(strstr($sql,"select")){
        $rs=mysql_query($sql);
        $res=array();
        while($row=mysql_fetch_assoc($rs)){
            array_push($res,$row);
        }
        return $res;
    }elseif(strstr($sql,"update")){
        $rs=mysql_query($sql);
        return $rs;
    }elseif(strstr($sql,"insert")){
        mysql_query($sql);
        $rs=mysql_insert_id();
        return $rs;
    }elseif(strstr($sql,"delete")){
        $rs=mysql_query($sql);
        return $rs;
    }

}
echo "<pre>";var_dump($rs);var_dump($rs2);exit;

static public function Insert( $table, $condition )
{
   self::Instance();

   $sql = "INSERT INTO `$table` SET ";
   $content = null;

   foreach ( $condition as $k => $v )
   {
      $v_str = null;
      if ( is_numeric($v) )
         $v_str = $v;
      else if ( is_null($v) )
         $v_str = 'NULL';
      else
         $v_str = "'" . self::EscapeString($v) . "'";

      $content .= "`$k`=$v_str,";
   }

   $content = trim($content, ',');
   $sql .= $content;

   $result = self::Query ($sql);
   if ( false==$result )
   {
      self::Close();
      return false;
   }

   return self::GetInsertId();
}