[6.x] Added query builder support for groupByRaw

src/Illuminate/Database/Query/Builder.php

@@ -53,13 +53,14 @@ class Builder
      * @var array
      */
     public $bindings = [
-        'select' => [],
-        'from'   => [],
-        'join'   => [],
-        'where'  => [],
-        'having' => [],
-        'order'  => [],
-        'union'  => [],
+        'select'     => [],
+        'from'       => [],
+        'join'       => [],
+        'where'      => [],
+        'groupBy'    => [],
+        'having'     => [],
+        'order'      => [],
+        'union'      => [],
         'unionOrder' => [],
     ];
 
@@ -1685,6 +1686,22 @@ public function groupBy(...$groups)
         return $this;
     }
 
+    /**
+     * Add a raw groupBy clause to the query.
+     *
+     * @param  string  $sql
+     * @param  array  $bindings
+     * @return $this
+     */
+    public function groupByRaw($sql, array $bindings = [])
+    {
+        $this->groups[] = new Expression($sql);
+
+        $this->addBinding($bindings, 'groupBy');
+
+        return $this;
+    }
+
     /**
      * Add a "having" clause to the query.
      *

tests/Database/DatabaseQueryBuilderTest.php

@@ -1045,6 +1045,15 @@ public function testGroupBys()
         $builder = $this->getBuilder();
         $builder->select('*')->from('users')->groupBy(new Raw('DATE(created_at)'));
         $this->assertSame('select * from "users" group by DATE(created_at)', $builder->toSql());
+
+        $builder = $this->getBuilder();
+        $builder->select('*')->from('users')->groupByRaw('DATE(created_at), ? DESC', ['foo']);
+        $this->assertSame('select * from "users" group by DATE(created_at), ? DESC', $builder->toSql());
+        $this->assertEquals(['foo'], $builder->getBindings());
+
+        $builder = $this->getBuilder();
+        $builder->havingRaw('?', ['havingRawBinding'])->groupByRaw('?', ['groupByRawBinding'])->whereRaw('?', ['whereRawBinding']);
+        $this->assertEquals(['whereRawBinding', 'groupByRawBinding', 'havingRawBinding'], $builder->getBindings());
     }
 
     public function testOrderBys()