From d86a09505f3a63597caa55c99069d9a8667a452f Mon Sep 17 00:00:00 2001
From: "Ing. Petr Suchy" <suchy@wamos.cz>
Date: Fri, 1 Nov 2019 20:54:50 +0100
Subject: [PATCH] *edit - sort callback usage

---
 src/NetteDatabaseDataSource.php | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/src/NetteDatabaseDataSource.php b/src/NetteDatabaseDataSource.php
index e64464d..36cb84d 100644
--- a/src/NetteDatabaseDataSource.php
+++ b/src/NetteDatabaseDataSource.php
@@ -226,17 +226,14 @@ public function limit(int $offset, int $limit): IDataSource
 	public function sort(Sorting $sorting): IDataSource
 	{
 		if (is_callable($sorting->getSortCallback())) {
-			call_user_func(
+			$sort = call_user_func(
 				$sorting->getSortCallback(),
-				$this->sql,
 				$sorting->getSort()
 			);
-
-			return $this;
+		} else {
+			$sort = $sorting->getSort();
 		}
 
-		$sort = $sorting->getSort();
-
 		if ($sort !== []) {
 			foreach ($sort as $column => $order) {
 				$this->sql = $this->queryHelper->orderBy((string) $column, $order);