PHPLIB-417: countDocuments should use group with _id: 1

alcaeus · alcaeus · commit f0d369d8b41c · 2019-07-30T08:53:16.000+02:00
diff --git a/src/Operation/CountDocuments.php b/src/Operation/CountDocuments.php
@@ -192,7 +192,7 @@ private function createCommandDocument()
             $pipeline[] = ['$limit' => $this->options['limit']];
         }
 
-        $pipeline[] = ['$group' => ['_id' => null, 'n' => ['$sum' => 1]]];
+        $pipeline[] = ['$group' => ['_id' => 1, 'n' => ['$sum' => 1]]];
 
         $cmd = [
             'aggregate' => $this->collectionName,

Original file line number	Diff line number	Diff line change
`@@ -192,7 +192,7 @@ private function createCommandDocument()`
`192`	`192`	`$pipeline[] = ['$limit' => $this->options['limit']];`
`193`	`193`	`}`
`194`	`194`
`195`		`- $pipeline[] = ['$group' => ['_id' => null, 'n' => ['$sum' => 1]]];`
	`195`	`+ $pipeline[] = ['$group' => ['_id' => 1, 'n' => ['$sum' => 1]]];`
`196`	`196`
`197`	`197`	`$cmd = [`
`198`	`198`	`'aggregate' => $this->collectionName,`