feat: add returning to delete query

Author: UniForceMusic

src/Query/Firebird/DeleteQuery.php

@@ -7,11 +7,22 @@
 use Latitude\QueryBuilder\ExpressionInterface;
 use Latitude\QueryBuilder\Query;
 
+use Latitude\QueryBuilder\Query\Capability\HasReturning;
 use function is_int;
 use function Latitude\QueryBuilder\literal;
 
 class DeleteQuery extends Query\DeleteQuery
 {
+    use HasReturning;
+
+    public function asExpression(): ExpressionInterface
+    {
+        $query = parent::asExpression();
+        $query = $this->applyReturning($query);
+
+        return $query;
+    }
+
     protected function applyLimit(ExpressionInterface $query): ExpressionInterface
     {
         if (!is_int($this->limit)) {

tests/Query/Firebird/DeleteTest.php

@@ -19,4 +19,15 @@ public function testLimit(): void
         $this->assertSql('DELETE FROM "users" ROWS 10', $delete);
         $this->assertParams([], $delete);
     }
+
+    public function testLimitWithReturning(): void
+    {
+        $delete = $this->factory
+            ->delete('users')
+            ->limit(10)
+            ->returning('id');
+
+        $this->assertSql('DELETE FROM "users" ROWS 10 RETURNING "id"', $delete);
+        $this->assertParams([], $delete);
+    }
 }