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do NOT fail with TypeError, if order_by is NULL, it's harmless ;)

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ralf 2024-07-01 10:26:53 +02:00
parent 0c6e9ac77f
commit 2a87ebdbe6
1 changed files with 4 additions and 4 deletions
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8
api/src/Storage/Base.php
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@ -1079,18 +1079,18 @@ class Base
/**
* Sanitize (currently just remove) not understood ORDER BY clause
*
* @param string $fragment SQL fragment containing ORDER BY clause, could also contain GROUP BY etc
* @param ?string $fragment SQL fragment containing ORDER BY clause, could also contain GROUP BY etc
* @return string sanitized version of $_order_by
*/
static function sanitizeOrderBy(string $fragment)
static function sanitizeOrderBy(?string $fragment)
{
// check fragment contains ORDER BY --> just operate on what's behind
if (stripos($fragment,'ORDER BY') !== false)
if ($fragment && stripos($fragment,'ORDER BY') !== false)
{
[$group_by, $order_by] = preg_split('/order +by +/i', $fragment);
}
// check fragment not just contain GROUP BY or HAVING --> nothing to do
elseif ($fragment === '' || stripos($fragment,'GROUP BY')!==false || stripos($fragment,'HAVING')!==false)
elseif (empty($fragment) || stripos($fragment,'GROUP BY')!==false || stripos($fragment,'HAVING')!==false)
{
return $fragment;
}