added method forceIndex

Author: Alexmg86

README.md

@@ -14,6 +14,7 @@ I often use this in my work and I hope it will be useful to you!
 
 ## Last added
 
+2021/01/24 - Added method [forceIndex](https://github.com/Alexmg86/laravel-sub-query/wiki/Some-sugar#force-index)  
 2020/12/10 - Added casting for withSum('items:price:signed') and others  
 2020/11/03 - Added method [withMath](https://github.com/Alexmg86/laravel-sub-query#working-with-columns)  
 2020/10/21 - Added [some sugar](https://github.com/Alexmg86/laravel-sub-query#sugar)  

src/Traits/LaravelSubQuerySugar.php

@@ -91,4 +91,14 @@ public function withMath($columns, $operator = '+', $name = null)
 
         return $this->addSelect(new Expression("$query as $asName"));
     }
+
+    /**
+     * Force index by column
+     * @param  string $column
+     * @return $this
+     */
+    public function forceIndex($column)
+    {
+        return $this->query->from(\DB::raw($this->query->from . ' FORCE INDEX (' . $column . ')'));
+    }
 }

tests/DatabaseTestCase.php

@@ -63,15 +63,15 @@ protected function createGoodsTable(): void
     protected function createCountriesTable(): void
     {
         Schema::create('countries', function (Blueprint $table) {
-            $table->id();
+            $table->increments('id');
             $table->string('name');
         });
     }
 
     protected function createCustomersTable(): void
     {
         Schema::create('customers', function (Blueprint $table) {
-            $table->id();
+            $table->increments('id');
             $table->integer('country_id');
             $table->string('name');
         });
@@ -80,7 +80,7 @@ protected function createCustomersTable(): void
     protected function createPostsTable(): void
     {
         Schema::create('posts', function (Blueprint $table) {
-            $table->id();
+            $table->increments('id');
             $table->integer('user_id');
             $table->string('title');
         });

tests/LaravelSubQuerySugarTest.php

@@ -86,4 +86,13 @@ public function testWithMaths()
 
         $this->assertEquals(10, $results->multi);
     }
+
+    public function testForceIndex()
+    {
+        $this->createBasic();
+
+        $result = Invoice::forceIndex('name')->toSql();
+
+        $this->assertEquals('select * from invoices FORCE INDEX (name)', $result);
+    }
 }