array_walk($fields, function(&$value, $key) use ($options)
{
$field = $value;
- $value = '`' . str_replace('`', '``', $value) . '`';
+ $value = DBA::quoteIdentifier($field);
if (!empty($options['group_by']) && !in_array($field, $options['group_by'])) {
$value = 'ANY_VALUE(' . $value . ') AS ' . $value;