Fix for #259

Author: mevdschee

api.php

@@ -2036,9 +2036,7 @@ protected function listCommandInternal($parameters) {
 				$first_row = true;
 				foreach ($select[$table] as $field => $path) {
 					$values = $collect[$path[0]][$path[1]];
-					if ($values) {
-						$this->addFilter($filters,$table,'and',$field,'in',implode(',',$values));
-					}
+					$this->addFilter($filters,$table,'and',$field,'in',implode(',',$values));
 					if ($first_row) $first_row = false;
 					else echo ',';
 					echo '"'.$field.'":"'.implode('.',$path).'"';

tests/Tests.php

@@ -653,4 +653,11 @@ public function testAddPostWithLeadingWhitespaceInJSON()
         $test->get('/posts/21');
         $test->expect('{"id":21,"user_id":1,"category_id":1,"content":"test whitespace"}');
     }
+
+    public function testListPostWithIncludeButNoRecords()
+    {
+        $test = new Api($this);
+        $test->get('/posts?filter=id,eq,999&include=tags');
+        $test->expect('{"posts":{"columns":["id","user_id","category_id","content"],"records":[]},"post_tags":{"relations":{"post_id":"posts.id"},"columns":["id","post_id","tag_id"],"records":[]},"tags":{"relations":{"id":"post_tags.tag_id"},"columns":["id","name"],"records":[]}}');
+    }
 }