From a4f96b9393554924a2965729aabaf93f477d7ae0 Mon Sep 17 00:00:00 2001
From: laise <laisevn@kingpanda.com>
Date: Tue, 31 Dec 2024 09:55:42 -0300
Subject: [PATCH 1/2] feat: add is null and not null to iteratorSqlFormatter

---
 src/IteratorFilterSqlFormatter.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/IteratorFilterSqlFormatter.php b/src/IteratorFilterSqlFormatter.php
index e6a1146..1866b09 100644
--- a/src/IteratorFilterSqlFormatter.php
+++ b/src/IteratorFilterSqlFormatter.php
@@ -87,6 +87,12 @@ public function getRelation(string $name, Relation $relation, mixed $value, arra
                 }
                 return " $name NOT IN ($placeholders) ";
             },
+            Relation::IS_NULL => function (&$param, $name, $paramName, $value) {
+                return " $name IS NULL ";
+            },
+            Relation::IS_NOT_NULL => function (&$param, $name, $paramName, $value) {
+                return " $name IS NOT NULL ";
+            },
         };
 
         return $data($param, $name, $paramName, $value);    }

From 072b0f40623bd6ebc7c837b11f995edbc52a4b40 Mon Sep 17 00:00:00 2001
From: laise <laisevn@kingpanda.com>
Date: Tue, 31 Dec 2024 13:08:02 -0300
Subject: [PATCH 2/2] feat: add tests for relation is null and is not null

---
 tests/IteratorFilterTest.php | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/tests/IteratorFilterTest.php b/tests/IteratorFilterTest.php
index c549d3b..8d335bd 100644
--- a/tests/IteratorFilterTest.php
+++ b/tests/IteratorFilterTest.php
@@ -151,6 +151,40 @@ public function testAddRelationOr()
         $this->assertEquals('select * from tablename  where  field = :field  or  field2 = :field2  ', $sql);
     }
 
+    public function testRelationIsNull()
+    {
+        $this->object->and('field', Relation::IS_NULL, null);
+
+        $params = [];
+        $returnFields = '*';
+        $sql = $this->object->format(
+            new IteratorFilterSqlFormatter(),
+            'tablename',
+            $params,
+            $returnFields
+        );
+
+        $this->assertEquals([], $params);
+        $this->assertEquals('select * from tablename  where  field IS NULL  ', $sql);
+    }
+
+    public function testRelationIsNotNull()
+    {
+        $this->object->and('field', Relation::IS_NOT_NULL, null);
+
+        $params = [];
+        $returnFields = '*';
+        $sql = $this->object->format(
+            new IteratorFilterSqlFormatter(),
+            'tablename',
+            $params,
+            $returnFields
+        );
+
+        $this->assertEquals([], $params);
+        $this->assertEquals('select * from tablename  where  field IS NOT NULL  ', $sql);
+    }
+
     public function testGroup()
     {
         $this->object->startGroup();