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magento支持直接操作数据库的方法

以下直接提供让magento操作支持直接操作数据库修改方法,查:
    $read = Mage::getSingleton(“core/resource”)->getConnection(‘core_read’);
    $sql = “select * from `abc`”;
    $result = $read->fetchAll($sql);  //fetchRow查找一条
 
增,删,改

    $write = Mage::getSingleton(“core/resource”)->getConnection(‘core_write’);
    $sql = “insert into abc (name)values(‘hello’)”;
    $write->query($sql);
 
另一种写法:


     $write = Mage::getSingleton(“core/resource”)->getConnection(‘core_write’);
     $table = Mage::getSingleton(‘core/resource’)->getTableName(‘abc’);
     $write->insert($table,array(‘name’=>’hello’));
 

    $write = Mage::getSingleton(“core/resource”)->getConnection(‘core_write’);
    $table = Mage::getSingleton(‘core/resource’)->getTableName(‘abc’);
    $write->update($table,array(‘name’=>’abc’),array(‘id=?’=>3));
 

    $write = Mage::getSingleton(“core/resource”)->getConnection(‘core_write’);
    $table = Mage::getSingleton(‘core/resource’)->getTableName(‘abc’);
    $write->delete($table,array(‘id=?’=>3));
 

    $read = Mage::getSingleton(“core/resource”)->getConnection(‘core_read’);
    $table = Mage::getSingleton(‘core/resource’)->getTableName(‘abc’);
    $result = $read->select()->from(array(‘main_table’=>$table))->where(‘main_table.id=?’,3)->limit(1);
    $products=$read->fetchAll($result);

唯一不同的只是一个sql语句是组装的,一个是直接写的