Crash when SQL query return empty table

Ondřej Misák · web-flow · commit 19582f62cd02 · 2017-01-13T14:41:27.000+01:00
diff --git a/src/NetteDatabaseDataSource.php b/src/NetteDatabaseDataSource.php
@@ -185,8 +185,9 @@ public function filter(array $filters)
 	public function getCount()
 	{
 		$sql = $this->queryHelper->getCountSelect();
-
-		return $this->query($sql)->fetch()->count;
+		$query = $this->query($sql)->fetch();
+		
+		return ($query) ? $query->count : 0;
 	}
 
 

Original file line number	Diff line number	Diff line change
`@@ -185,8 +185,9 @@ public function filter(array $filters)`
`185`	`185`	`public function getCount()`
`186`	`186`	`{`
`187`	`187`	`$sql = $this->queryHelper->getCountSelect();`
`188`		`-`
`189`		`- return $this->query($sql)->fetch()->count;`
	`188`	`+ $query = $this->query($sql)->fetch();`
	`189`	`+`
	`190`	`+ return ($query) ? $query->count : 0;`
`190`	`191`	`}`
`191`	`192`
`192`	`193`