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Code Issues Releases Wiki Activity

Кеширование SHOW COLUMNS в ORM

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This commit is contained in:
Mzhelskiy Maxim 2011-02-27 14:46:01 +00:00
parent 9d34c7e374
commit d4db267663
4 changed files with 46 additions and 14 deletions
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19
engine/classes/MapperORM.class.php
View file

@ -241,15 +241,18 @@ class MapperORM extends Mapper {
}
public function ShowColumnsFromTable($sTableName) {
$sql = "SHOW COLUMNS FROM ".$sTableName;
$aItems = array();
if($aRows=$this->oDb->select($sql)) {
foreach($aRows as $aRow) {
$aItems[] = $aRow['Field'];
if($aRow['Key']=='PRI') {
$aItems['#primary_key'] = $aRow['Field'];
if (false === ($aItems = Engine::getInstance()->Cache_GetLife("columns_table_{$sTableName}"))) {
$sql = "SHOW COLUMNS FROM ".$sTableName;
$aItems = array();
if($aRows=$this->oDb->select($sql)) {
foreach($aRows as $aRow) {
$aItems[] = $aRow['Field'];
if($aRow['Key']=='PRI') {
$aItems['#primary_key'] = $aRow['Field'];
}
}
}
}
Engine::getInstance()->Cache_SetLife($aItems, "columns_table_{$sTableName}");
}
return $aItems;
}

7
engine/classes/Plugin.class.php
View file

@ -181,12 +181,7 @@ abstract class Plugin extends Object {
* @return unknown
*/
protected function isTableExists($sTableName) {
$sTableName = str_replace('prefix_', Config::Get('db.table.prefix'), $sTableName);
$sQuery="SHOW TABLES LIKE '{$sTableName}'";
if ($aRows=$this->Database_GetConnect()->select($sQuery)) {
return true;
}
return false;
return $this->Database_isTableExists($sTableName);
}
/**

24
engine/modules/cache/Cache.class.php vendored
View file

@ -51,6 +51,7 @@ class ModuleCache extends Module {
'count_set' => 0,
);
protected $aStoreLife=array();
/**
* Инициализируем нужный тип кеша
*
@ -230,5 +231,28 @@ class ModuleCache extends Module {
public function GetStats() {
return $this->aStats;
}
/**
* Сохраняет значение в кеше на время исполнения скрипта (некий аналог Registry)
*
* @param unknown_type $data
* @param unknown_type $sName
*/
public function SetLife($data,$sName) {
$this->aStoreLife[$sName]=$data;
}
/**
* Получает значение из текущего кеша скрипта
*
* @param unknown_type $sName
* @return unknown
*/
public function GetLife($sName) {
if (key_exists($sName,$this->aStoreLife)) {
return $this->aStoreLife[$sName];
}
return false;
}
}
?>

10
engine/modules/database/Database.class.php
View file

@ -144,6 +144,16 @@ class ModuleDatabase extends Module {
}
return array('result'=>false,'errors'=>$aErrors);
}
public function isTableExists($sTableName,$aConfig=null) {
$sTableName = str_replace('prefix_', Config::Get('db.table.prefix'), $sTableName);
$sQuery="SHOW TABLES LIKE '{$sTableName}'";
if ($aRows=$this->GetConnect($aConfig)->select($sQuery)) {
return true;
}
return false;
}
}
/**