Example of ThinkPHP (million-level) data sharding technology

Source: Internet
Author: User
Example of ThinkPHP (million-level) data sharding technology
Let's talk about the example of using the built-in table sharding algorithm of ThinkPHP to process millions of data. if you need it, let's take a look.

Code extracted from thinkphp to see how big data table Sharding is implemented.

Data table: house_member_0house_member_1house_member_2house_member_3

Model:

class MemberModel extends AdvModel {protected $partition = array('field'=>'username','type'=>'id','num'=>'4');    public function getDao($data=array()) {        $data = empty($data) ? $_POST : $data;        $table = $this->getPartitionTableName($data);        return $this->table($table);    }}

Action:

Class MemberAction extends BaseAction {public function login () {if ($ this-> isPost () {$ this-> validToken (); $ dao = D ('member ') -> getDao (); $ res = $ dao-> where ('username = '. $ _ POST ['username'])-> find (); // output is a custom method // $ isAjax-bool $ this-> output (false );} $ this-> display ();}}

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