/**
*
* @return type
*/
public static function newInstance()
{
if (!self::$instance instanceof self) {
self::$instance = new self();
}
return self::$instance;
}
function query_debug($sql)
{
if ($sql == '') {
return false;
}
$sql = 'EXPLAIN ' . $sql;
$rsID = $this->_execute($sql);
if (false === $rsID) {
return false;
}
$rs = new DBRecordsetClass();
$rs->connId = $this->connId;
$rs->resultId = $rsID;
$rs->numRows = $rs->numRows();
if ($rs->numRows() == 0) {
return false;
}
$this->log->addExplainMessage($sql, $rs->result());
return true;
}
function destroy()
{
// Destructor
LogDatabase::destroy();
}
/**
* At the end of the execution it prints the database debug if it's necessary
*
* @since 2.3
* @access private
*/
function debug()
{
$log = LogDatabase::newInstance();
if (OSC_DEBUG_DB_EXPLAIN) {
$log->writeExplainMessages();
}
if (!OSC_DEBUG_DB) {
return false;
}
if (defined('IS_AJAX') && !OSC_DEBUG_DB_LOG) {
return false;
}
if (OSC_DEBUG_DB_LOG) {
$log->writeMessages();
} else {
$log->printMessages();
}
unset($log);
return true;
}
