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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
* @category Piwik
* @package Piwik
*/
/**
* FIXMEA: simplify/delete this code
*
* @package Piwik
* @subpackage Piwik_TablePartitioning
*/
abstract class Piwik_TablePartitioning
{
protected $tableName = null;
protected $generatedTableName = null;
protected $timestamp = null;
static public $tablesAlreadyInstalled = null;
public function __construct($tableName)
{
$this->tableName = $tableName;
}
abstract protected function generateTableName();
public function setTimestamp($timestamp)
{
$this->timestamp = $timestamp;
$this->generatedTableName = null;
$this->getTableName();
}
public function getTableName()
{
// table name already processed
if (!is_null($this->generatedTableName)) {
return $this->generatedTableName;
}
if (is_null($this->timestamp)) {
throw new Exception("You have to specify a timestamp for a Table Partitioning by date.");
}
// generate table name
$this->generatedTableName = $this->generateTableName();
// we make sure the table already exists
$this->checkTableExists();
}
protected function checkTableExists()
{
if (is_null(self::$tablesAlreadyInstalled)) {
self::$tablesAlreadyInstalled = Piwik::getTablesInstalled($forceReload = false);
}
if (!in_array($this->generatedTableName, self::$tablesAlreadyInstalled)) {
$db = Zend_Registry::get('db');
$sql = Piwik::getTableCreateSql($this->tableName);
$config = Piwik_Config::getInstance();
$prefixTables = $config->database['tables_prefix'];
$sql = str_replace($prefixTables . $this->tableName, $this->generatedTableName, $sql);
try {
$db->query($sql);
} catch (Exception $e) {
// mysql error 1050: table already exists
if (!$db->isErrNo($e, '1050')) {
// failed for some other reason
throw $e;
}
}
self::$tablesAlreadyInstalled[] = $this->generatedTableName;
}
}
public function __toString()
{
return $this->getTableName();
}
}
/**
*
* @package Piwik
* @subpackage Piwik_TablePartitioning
*/
class Piwik_TablePartitioning_Monthly extends Piwik_TablePartitioning
{
private static $blobArchiveTable = null;
private static $numericArchiveTable = null;
public function __construct($tableName)
{
parent::__construct($tableName);
}
protected function generateTableName()
{
$config = Piwik_Config::getInstance();
return $config->database['tables_prefix'] . $this->tableName . "_" . date("Y_m", $this->timestamp);
}
/**
* Creates archive_blob & archive_numeric tables for a period if they don't already exist.
*
* @param Piwik_Date
*/
public static function createArchiveTablesIfAbsent($dateInMonth)
{
$timestamp = $dateInMonth->getTimestamp();
self::$blobArchiveTable->setTimestamp($timestamp);
self::$blobArchiveTable->getTableName();
self::$numericArchiveTable->setTimestamp($timestamp);
self::$numericArchiveTable->getTableName();
}
public static function init()
{
self::$blobArchiveTable = new Piwik_TablePartitioning_Monthly('archive_blob');
self::$numericArchiveTable = new Piwik_TablePartitioning_Monthly('archive_numeric');
}
}
Piwik_TablePartitioning_Monthly::init();
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