fix #37483 (aggregates with having) (#37487)

Author: Tofandel

src/Illuminate/Database/Query/Builder.php

@@ -2826,8 +2826,8 @@ public function average($column)
      */
     public function aggregate($function, $columns = ['*'])
     {
-        $results = $this->cloneWithout($this->unions ? [] : ['columns'])
-                        ->cloneWithoutBindings($this->unions ? [] : ['select'])
+        $results = $this->cloneWithout($this->unions || $this->havings ? [] : ['columns'])
+                        ->cloneWithoutBindings($this->unions || $this->havings ? [] : ['select'])
                         ->setAggregate($function, $columns)
                         ->get($columns);
 

src/Illuminate/Database/Query/Grammars/Grammar.php

@@ -45,7 +45,7 @@ class Grammar extends BaseGrammar
      */
     public function compileSelect(Builder $query)
     {
-        if ($query->unions && $query->aggregate) {
+        if (($query->unions || $query->havings) && $query->aggregate) {
             return $this->compileUnionAggregate($query);
         }
 

tests/Database/DatabaseQueryBuilderTest.php

@@ -1034,6 +1034,22 @@ public function testUnionAggregate()
         $builder->from('posts')->union($this->getSqlServerBuilder()->from('videos'))->count();
     }
 
+    public function testHavingAggregate()
+    {
+        $expected = 'select count(*) as aggregate from (select (select `count(*)` from `videos` where `posts`.`id` = `videos`.`post_id`) as `videos_count` from `posts` having `videos_count` > ?) as `temp_table`';
+        $builder = $this->getMySqlBuilder();
+        $builder->getConnection()->shouldReceive('getDatabaseName');
+        $builder->getConnection()->shouldReceive('select')->once()->with($expected, [0 => 1], true)->andReturn([['aggregate' => 1]]);
+        $builder->getProcessor()->shouldReceive('processSelect')->once()->andReturnUsing(function ($builder, $results) {
+            return $results;
+        });
+
+        $builder->from('posts')->selectSub(function ($query) {
+            $query->from('videos')->select('count(*)')->whereColumn('posts.id', '=', 'videos.post_id');
+        }, 'videos_count')->having('videos_count', '>', 1);
+        $builder->count();
+    }
+
     public function testSubSelectWhereIns()
     {
         $builder = $this->getBuilder();