/**
* @param string $query
* @param array $sqlValues
* @return bool|MySqliStatementExtended
*/
public function prepare($query, $sqlValues = array())
{
if (preg_match('#:([a-zA-Z0-9_]+)#', $query)) {
$prepared = preg_replace('#:([a-zA-Z0-9_]+)#', '?', $query);
} else {
$prepared = $query;
}
return parent::prepare($prepared) ? new MySqliStatementExtended($this, $prepared, $sqlValues, $query) : false;
}
/**
*
* @param string $sql
* @throws Exception\ConnectionException
* @return array
*/
protected function readFields($sql)
{
if (trim($sql) == '') {
throw new Exception\EmptyQueryException(__METHOD__ . ": Error cannot handle empty queries");
}
$sql = $this->getEmptiedQuery($sql);
$stmt = $this->mysqli->prepare($sql);
if (!$stmt) {
$message = $this->mysqli->error;
throw new Exception\InvalidQueryException(__METHOD__ . ": Error sql is not correct : {$message}");
}
$stmt->execute();
$result = $stmt->result_metadata();
$metaFields = $result->fetch_fields();
$result->close();
$stmt->close();
return $metaFields;
}
/**
*
* @param string $sql
* @throws Exception\ConnectionException
*/
protected function readFields($sql)
{
if (trim($sql) == '') {
throw new Exception\EmptyQueryException(__METHOD__ . ": Error cannot handle empty queries");
}
$sql = $this->makeQueryEmpty($sql);
$stmt = $this->mysqli->prepare($sql);
if (!$stmt) {
$message = $this->mysqli->error;
throw new Exception\InvalidQueryException(__METHOD__ . ": Error sql is not correct : {$message}");
}
$stmt->execute();
// to check if query is empty
/*
$stmt->store_result();
var_dump($stmt->num_rows);
var_dump(
*/
$result = $stmt->result_metadata();
$metaFields = $result->fetch_fields();
$result->close();
$stmt->close();
return $metaFields;
}