Account for 'groupField' when auto selecting fields

Author: ADmad

src/ORM/Table.php

@@ -969,7 +969,11 @@ public function findList(Query $query, array $options)
         }
 
         if (!$query->clause('select')) {
-            $fields = array_merge((array)$options['keyField'], (array)$options['valueField']);
+            $fields = array_merge(
+                (array)$options['keyField'],
+                (array)$options['valueField'],
+                (array)$options['groupField']
+            );
             $columns = $this->schema()->columns();
             if (count($fields) === count(array_intersect($fields, $columns))) {
                 $query->select($fields);

tests/TestCase/ORM/TableTest.php

@@ -1197,19 +1197,21 @@ public function testFindListSelectedFields()
         $expected = ['id', 'username'];
         $this->assertSame($expected, $query->clause('select'));
 
-        $select = ['odd' => new QueryExpression('id % 2')];
-        $query = $table->find('list', ['groupField' => 'odd'])
-            ->select($select)
-            ->order('id');
-        $expected = array_merge(['id', 'username'], $select);
-        $this->assertSame($expected, $query->clause('select'));
-
         $expected = ['odd' => new QueryExpression('id % 2'), 'id', 'username'];
         $query = $table->find('list', [
             'fields' => $expected,
             'groupField' => 'odd',
         ]);
         $this->assertSame($expected, $query->clause('select'));
+
+        $articles = new Table([
+            'table' => 'articles',
+            'connection' => $this->connection,
+        ]);
+
+        $query = $articles->find('list', ['groupField' => 'author_id']);
+        $expected = ['id', 'title', 'author_id'];
+        $this->assertSame($expected, $query->clause('select'));
     }
 
     /**
@@ -1229,7 +1231,6 @@ public function testFindListWithVirtualField()
         $query = $table
             ->find('list')
             ->order('id');
-
         $this->assertEmpty($query->clause('select'));
 
         $expected = [
@@ -1239,6 +1240,9 @@ public function testFindListWithVirtualField()
             4 => 'bonus'
         ];
         $this->assertSame($expected, $query->toArray());
+
+        $query = $table->find('list', ['groupField' => 'odd']);
+        $this->assertEmpty($query->clause('select'));
     }
 
     /**