/**
* Imports a SQL dump from given file.
* Based on implementation in Nette\Database.
* @copyright 2004 David Grudl, http://davidgrudl.com
* @license New BSD license
* @param string $filename
* @return int Number of executed commands
*/
public function loadFile($filename)
{
$this->connection->connect();
$abort = ignore_user_abort();
@set_time_limit(0);
ignore_user_abort(true);
$handle = @fopen($filename, 'r');
if ($handle === false) {
ignore_user_abort($abort);
throw new NeevoException("Cannot open file '{$filename}' for SQL import.");
}
$sql = '';
$count = 0;
while (!feof($handle)) {
$content = fgets($handle);
$sql .= $content;
if (substr(rtrim($content), -1) === ';') {
// Passed directly to driver without logging.
$this->connection->getDriver()->runQuery($sql);
$sql = '';
$count++;
}
}
if (trim($sql)) {
$this->connection->getDriver()->runQuery($sql);
$count++;
}
fclose($handle);
ignore_user_abort($abort);
return $count;
}
/**
* Builds the SQL statement from the instance.
* @return string The SQL statement
* @internal
*/
public function parse()
{
if ($this->hasCircularReferences($this)) {
throw new RuntimeException('Circular reference found in the query tree, cannot parse the query.');
}
$this->connection->connect();
$parser = $this->connection->getParser();
$instance = new $parser($this);
return $instance->parse();
}
