/**
* Execute a "select"-query.
*
* @param string $table
* @param string|array $where
*
* @return false|Result false on error
*/
public function select($table, $where = '1=1')
{
if ($table === '') {
$this->_debug->displayError('invalid table name');
return false;
}
if (is_string($where)) {
$WHERE = $this->escape($where, false);
} elseif (is_array($where)) {
$WHERE = $this->_parseArrayPair($where, 'AND');
} else {
$WHERE = '';
}
$sql = 'SELECT * FROM ' . $this->quote_string($table) . " WHERE ({$WHERE});";
return $this->query($sql);
}
/**
* Error-handling for the sql-query.
*
* @param string $errorMsg
* @param string $sql
*
* @throws \Exception
*
* @return bool
*/
private function queryErrorHandling($errorMsg, $sql)
{
if ($errorMsg === 'DB server has gone away' || $errorMsg === 'MySQL server has gone away') {
static $reconnectCounter;
// exit if we have more then 3 "DB server has gone away"-errors
if ($reconnectCounter > 3) {
$this->_debug->mailToAdmin('SQL-Fatal-Error', $errorMsg . ":\n<br />" . $sql, 5);
throw new \Exception($errorMsg);
} else {
$this->_debug->mailToAdmin('SQL-Error', $errorMsg . ":\n<br />" . $sql);
// reconnect
$reconnectCounter++;
$this->_db->reconnect(true);
// re-run the current query
return $this->execute();
}
} else {
$this->_debug->mailToAdmin('SQL-Warning', $errorMsg . ":\n<br />" . $sql);
// this query returned an error, we must display it (only for dev) !!!
$this->_debug->displayError($errorMsg . ' | ' . $sql);
}
return false;
}
