本文整理匯總了PHP中Varien_Db_Select::_renderFrom方法的典型用法代碼示例。如果您正苦於以下問題：PHP Varien_Db_Select::_renderFrom方法的具體用法？PHP Varien_Db_Select::_renderFrom怎麽用？PHP Varien_Db_Select::_renderFrom使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類Varien_Db_Select的用法示例。
在下文中一共展示了Varien_Db_Select::_renderFrom方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的PHP代碼示例。
示例1: _renderFrom
/**
* Render FROM clause with using of addotional specifications for index usage
*
* @param string $sql SQL query
* @return string
*/
protected function _renderFrom($sql)
{
$sql = parent::_renderFrom($sql);
// Add index definitions for MySQL optimizer
$replace = array();
foreach ($this->_parts[self::FROM] as $correlationName => $table) {
if (!isset($this->_parts[self::INDEX][$correlationName]) || !isset($this->_indexSqlTypes[$this->_parts[self::INDEX][$correlationName]['type']])) {
continue;
}
$indexInstruction = $this->_parts[self::INDEX][$correlationName];
$replace['from'][] = $this->_getQuotedTable($table['tableName'], $correlationName);
$replace['to'][] = $this->_getQuotedTable($table['tableName'], $correlationName) . ' ' . sprintf($this->_indexSqlTypes[$indexInstruction['type']], implode(',', array_map(array($this->_adapter, 'quoteIdentifier'), $indexInstruction['indexes'])));
}
if ($replace) {
$sql = str_replace($replace['from'], $replace['to'], $sql);
}
return $sql;
}