Merge branch 'NmDimas-unlinkAll'

framework/CHANGELOG.md

@@ -60,7 +60,8 @@ Yii Framework 2 Change Log
 - Enh #3328: `BaseMailer` generates better text body from html body (armab)
 - Enh #3380: Allow `value` in `defaultValueValidator` to be a closure (Alex-Code)
 - Enh #3472: Added configurable option to encode spaces in dropDownLists and listBoxes (kartik-v)
-- Enh #3518: `yii\helpers\Html::encode()` now replaces invalid code sequences with "?" (DaSourcerer)
+- Enh #3518: `yii\helpers\Html::encode()` now replaces invalid code sequences with "<EFBFBD>" (DaSourcerer)
+- Enh #3520 Added Unlink all relationship in current model (NmDimas)
 - Enh #3521: Added `yii\filters\HttpCache::sessionCacheLimiter` (qiangxue)
 - Enh #3542: Removed requirement to specify `extensions` in application config (samdark)
 - Enh #3562: Adding rotateByCopy to yii\log\FileTarget (pawzar)

framework/db/BaseActiveRecord.php

@@ -1284,6 +1284,67 @@ abstract class BaseActiveRecord extends Model implements ActiveRecordInterface
     }
 
     /**
+     * Destroys the relationship in current model.
+     *
+     *  The model with the foreign key of the relationship will be deleted if `$delete` is true.
+     *  Otherwise, the foreign key will be set null and the model will be saved without validation.
+     *
+     *  Note to destroy the relationship without removing records make sure your keys can be set to null
+     *
+     * @param string $name the case sensitive name of the relationship.
+     * @param boolean $delete whether to delete the model that contains the foreign key.
+     */
+    public function unlinkAll($name, $delete = false)
+    {
+        $relation = $this->getRelation($name);
+        /** @var Command $command */
+        $command = static::getDb()->createCommand();
+        $columns = [];
+        $condition = [];
+        if (empty($relation->via)) {
+            /** @var $viaClass \yii\db\ActiveRecord */
+            $viaClass = $relation->modelClass;
+            if ($delete) {
+                foreach ($relation->link as $a => $b) {
+                    $condition[$a] = $this->$b;
+                }
+                $command->delete($viaClass::tableName(), $condition)->execute();
+            } else {
+                foreach ($relation->link as $a => $b) {
+                    $columns[$a] = null;
+                    $condition[$a] = $this->$b;
+                }
+                $command->update($viaClass::tableName(), $columns, $condition)->execute();
+            }
+        } else {
+            $viaTable = $viaTable = reset($relation->via->from);
+            /** @var ActiveQuery $viaRelation */
+            $viaRelation = $relation->via;
+            if ($delete) {
+                foreach ($viaRelation->link as $a => $b) {
+                    $condition[$a] = $this->$b;
+                }
+                $command->delete($viaTable, $condition)->execute();
+            } else {
+                foreach ($viaRelation->link as $a => $b) {
+                    $columns[$a] = null;
+                    $condition[$a] = $this->$b;
+                }
+                $command->update($viaTable, $columns,$condition)->execute();
+            }
+        }
+
+        if (!$relation->multiple) {
+            unset($this->_related[$name]);
+        } elseif (isset($this->_related[$name])) {
+            /** @var ActiveRecordInterface $b */
+            foreach (array_keys($this->_related[$name]) as $a) {
+                unset($this->_related[$name][$a]);
+            }
+        }
+    }
+
+    /**
      * @param array $link
      * @param ActiveRecordInterface $foreignModel
      * @param ActiveRecordInterface $primaryModel

tests/unit/data/ar/Customer.php

@@ -36,6 +36,10 @@ class Customer extends ActiveRecord
     {
         return $this->hasMany(Order::className(), ['customer_id' => 'id'])->orderBy('id');
     }
+    public function getOrdersWithNullFK()
+    {
+        return $this->hasMany(OrderWithNullFK::className(), ['customer_id' => 'id'])->orderBy('id');
+    }
 
     public function getOrders2()
     {

tests/unit/data/ar/Order.php

@@ -40,6 +40,12 @@ class Order extends ActiveRecord
             })->orderBy('item.id');
     }
 
+    public function getItemsWithNullFK()
+    {
+        return $this->hasMany(Item::className(), ['id' => 'item_id'])
+            ->viaTable('order_item_with_null_fk', ['order_id' => 'id']);
+    }
+
     public function getItemsInOrder1()
     {
         return $this->hasMany(Item::className(), ['id' => 'item_id'])
@@ -63,6 +69,13 @@ class Order extends ActiveRecord
             ->where(['category_id' => 1]);
     }
 
+    public function getBooksWithNullFK()
+    {
+        return $this->hasMany(Item::className(), ['id' => 'item_id'])
+            ->viaTable('order_item_with_null_fk', ['order_id' => 'id'])
+            ->where(['category_id' => 1]);
+    }
+
     public function getBooks2()
     {
         return $this->hasMany(Item::className(), ['id' => 'item_id'])

tests/unit/data/ar/OrderItemWithNullFK.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace yiiunit\data\ar;
+
+/**
+ * Class OrderItem
+ *
+ * @property integer $order_id
+ * @property integer $item_id
+ * @property integer $quantity
+ * @property string $subtotal
+ */
+class OrderItemWithNullFK extends ActiveRecord
+{
+    public static function tableName()
+    {
+        return 'order_item_with_null_fk';
+    }
+
+}

tests/unit/data/ar/OrderWithNullFK.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace yiiunit\data\ar;
+
+/**
+ * Class Order
+ *
+ * @property integer $id
+ * @property integer $customer_id
+ * @property integer $created_at
+ * @property string $total
+ */
+class OrderWithNullFK extends ActiveRecord
+{
+    public static function tableName()
+    {
+        return 'order_with_null_fk';
+    }
+
+
+}

tests/unit/data/cubrid.sql

@@ -5,8 +5,10 @@
 
 DROP TABLE IF EXISTS `composite_fk`;
 DROP TABLE IF EXISTS `order_item`;
+DROP TABLE IF EXISTS `order_item_with_null_fk`;
 DROP TABLE IF EXISTS `item`;
 DROP TABLE IF EXISTS `order`;
+DROP TABLE IF EXISTS `order_with_null_fk`;
 DROP TABLE IF EXISTS `category`;
 DROP TABLE IF EXISTS `customer`;
 DROP TABLE IF EXISTS `profile`;
@@ -60,6 +62,14 @@ CREATE TABLE `order` (
   CONSTRAINT `FK_order_customer_id` FOREIGN KEY (`customer_id`) REFERENCES `customer` (`id`) ON DELETE CASCADE
 );
 
+CREATE TABLE `order_with_null_fk` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `customer_id` int(11),
+  `created_at` int(11) NOT NULL,
+  `total` decimal(10,0) NOT NULL,
+  PRIMARY KEY (`id`)
+);
+
 CREATE TABLE `order_item` (
   `order_id` int(11) NOT NULL,
   `item_id` int(11) NOT NULL,
@@ -70,6 +80,13 @@ CREATE TABLE `order_item` (
   CONSTRAINT `FK_order_item_item_id` FOREIGN KEY (`item_id`) REFERENCES `item` (`id`) ON DELETE CASCADE
 );
 
+CREATE TABLE `order_item_with_null_fk` (
+  `order_id` int(11),
+  `item_id` int(11),
+  `quantity` int(11) NOT NULL,
+  `subtotal` decimal(10,0) NOT NULL
+);
+
 CREATE TABLE null_values (
   `id` INT(11) NOT NULL AUTO_INCREMENT,
   `var1` INT NULL,
@@ -124,9 +141,20 @@ INSERT INTO `order` (customer_id, created_at, total) VALUES (1, 1325282384, 110.
 INSERT INTO `order` (customer_id, created_at, total) VALUES (2, 1325334482, 33.0);
 INSERT INTO `order` (customer_id, created_at, total) VALUES (2, 1325502201, 40.0);
 
+INSERT INTO `order_with_null_fk` (customer_id, created_at, total) VALUES (1, 1325282384, 110.0);
+INSERT INTO `order_with_null_fk` (customer_id, created_at, total) VALUES (2, 1325334482, 33.0);
+INSERT INTO `order_with_null_fk` (customer_id, created_at, total) VALUES (2, 1325502201, 40.0);
+
 INSERT INTO `order_item` (order_id, item_id, quantity, subtotal) VALUES (1, 1, 1, 30.0);
 INSERT INTO `order_item` (order_id, item_id, quantity, subtotal) VALUES (1, 2, 2, 40.0);
 INSERT INTO `order_item` (order_id, item_id, quantity, subtotal) VALUES (2, 4, 1, 10.0);
 INSERT INTO `order_item` (order_id, item_id, quantity, subtotal) VALUES (2, 5, 1, 15.0);
 INSERT INTO `order_item` (order_id, item_id, quantity, subtotal) VALUES (2, 3, 1, 8.0);
 INSERT INTO `order_item` (order_id, item_id, quantity, subtotal) VALUES (3, 2, 1, 40.0);
+
+INSERT INTO `order_item_with_null_fk` (order_id, item_id, quantity, subtotal) VALUES (1, 1, 1, 30.0);
+INSERT INTO `order_item_with_null_fk` (order_id, item_id, quantity, subtotal) VALUES (1, 2, 2, 40.0);
+INSERT INTO `order_item_with_null_fk` (order_id, item_id, quantity, subtotal) VALUES (2, 4, 1, 10.0);
+INSERT INTO `order_item_with_null_fk` (order_id, item_id, quantity, subtotal) VALUES (2, 5, 1, 15.0);
+INSERT INTO `order_item_with_null_fk` (order_id, item_id, quantity, subtotal) VALUES (2, 3, 1, 8.0);
+INSERT INTO `order_item_with_null_fk` (order_id, item_id, quantity, subtotal) VALUES (3, 2, 1, 40.0);

tests/unit/data/mssql.sql

@@ -1,6 +1,8 @@
 IF OBJECT_ID('[dbo].[order_item]', 'U') IS NOT NULL DROP TABLE [dbo].[order_item];
+IF OBJECT_ID('[dbo].[order_item_with_null_fk]', 'U') IS NOT NULL DROP TABLE [dbo].[order_item_with_null_fk];
 IF OBJECT_ID('[dbo].[item]', 'U') IS NOT NULL DROP TABLE [dbo].[item];
 IF OBJECT_ID('[dbo].[order]', 'U') IS NOT NULL DROP TABLE [dbo].[order];
+IF OBJECT_ID('[dbo].[order_with_null_fk]', 'U') IS NOT NULL DROP TABLE [dbo].[order_with_null_fk];
 IF OBJECT_ID('[dbo].[category]', 'U') IS NOT NULL DROP TABLE [dbo].[category];
 IF OBJECT_ID('[dbo].[customer]', 'U') IS NOT NULL DROP TABLE [dbo].[customer];
 IF OBJECT_ID('[dbo].[profile]', 'U') IS NOT NULL DROP TABLE [dbo].[profile];
@@ -54,6 +56,13 @@ CREATE TABLE [dbo].[order] (
 	) ON [PRIMARY]
 );
 
+CREATE TABLE [dbo].[order_with_null_fk] (
+	[id] [int] IDENTITY(1,1) NOT NULL,
+	[customer_id] [int] ,
+	[created_at] [int] NOT NULL,
+	[total] [decimal](10,0) NOT NULL
+);
+
 CREATE TABLE [dbo].[order_item] (
 	[order_id] [int] NOT NULL,
 	[item_id] [int] NOT NULL,
@@ -63,6 +72,12 @@ CREATE TABLE [dbo].[order_item] (
 		[order_id] ASC,
 		[item_id] ASC
 	) ON [PRIMARY]
+
+);CREATE TABLE [dbo].[order_item_with_null_fk] (
+	[order_id] [int],
+	[item_id] [int],
+	[quantity] [int] NOT NULL,
+	[subtotal] [decimal](10,0) NOT NULL
 );
 
 CREATE TABLE [dbo].[null_values] (
@@ -109,9 +124,20 @@ INSERT INTO [dbo].[order] ([customer_id], [created_at], [total]) VALUES (1, 1325
 INSERT INTO [dbo].[order] ([customer_id], [created_at], [total]) VALUES (2, 1325334482, 33.0);
 INSERT INTO [dbo].[order] ([customer_id], [created_at], [total]) VALUES (2, 1325502201, 40.0);
 
+INSERT INTO [dbo].[order_with_null_fk] ([customer_id], [created_at], [total]) VALUES (1, 1325282384, 110.0);
+INSERT INTO [dbo].[order_with_null_fk] ([customer_id], [created_at], [total]) VALUES (2, 1325334482, 33.0);
+INSERT INTO [dbo].[order_with_null_fk] ([customer_id], [created_at], [total]) VALUES (2, 1325502201, 40.0);
+
 INSERT INTO [dbo].[order_item] ([order_id], [item_id], [quantity], [subtotal]) VALUES (1, 1, 1, 30.0);
 INSERT INTO [dbo].[order_item] ([order_id], [item_id], [quantity], [subtotal]) VALUES (1, 2, 2, 40.0);
 INSERT INTO [dbo].[order_item] ([order_id], [item_id], [quantity], [subtotal]) VALUES (2, 4, 1, 10.0);
 INSERT INTO [dbo].[order_item] ([order_id], [item_id], [quantity], [subtotal]) VALUES (2, 5, 1, 15.0);
 INSERT INTO [dbo].[order_item] ([order_id], [item_id], [quantity], [subtotal]) VALUES (2, 3, 1, 8.0);
 INSERT INTO [dbo].[order_item] ([order_id], [item_id], [quantity], [subtotal]) VALUES (3, 2, 1, 40.0);
+
+INSERT INTO [dbo].[order_item_with_null_fk] ([order_id], [item_id], [quantity], [subtotal]) VALUES (1, 1, 1, 30.0);
+INSERT INTO [dbo].[order_item_with_null_fk] ([order_id], [item_id], [quantity], [subtotal]) VALUES (1, 2, 2, 40.0);
+INSERT INTO [dbo].[order_item_with_null_fk] ([order_id], [item_id], [quantity], [subtotal]) VALUES (2, 4, 1, 10.0);
+INSERT INTO [dbo].[order_item_with_null_fk] ([order_id], [item_id], [quantity], [subtotal]) VALUES (2, 5, 1, 15.0);
+INSERT INTO [dbo].[order_item_with_null_fk] ([order_id], [item_id], [quantity], [subtotal]) VALUES (2, 3, 1, 8.0);
+INSERT INTO [dbo].[order_item_with_null_fk] ([order_id], [item_id], [quantity], [subtotal]) VALUES (3, 2, 1, 40.0);

tests/unit/data/mysql.sql

@@ -5,8 +5,10 @@
 
 DROP TABLE IF EXISTS `composite_fk` CASCADE;
 DROP TABLE IF EXISTS `order_item` CASCADE;
+DROP TABLE IF EXISTS `order_item_with_null_fk` CASCADE;
 DROP TABLE IF EXISTS `item` CASCADE;
 DROP TABLE IF EXISTS `order` CASCADE;
+DROP TABLE IF EXISTS `order_with_null_fk` CASCADE;
 DROP TABLE IF EXISTS `category` CASCADE;
 DROP TABLE IF EXISTS `customer` CASCADE;
 DROP TABLE IF EXISTS `profile` CASCADE;
@@ -61,6 +63,14 @@ CREATE TABLE `order` (
   CONSTRAINT `FK_order_customer_id` FOREIGN KEY (`customer_id`) REFERENCES `customer` (`id`) ON DELETE CASCADE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
+CREATE TABLE `order_with_null_fk` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `customer_id` int(11),
+  `created_at` int(11) NOT NULL,
+  `total` decimal(10,0) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
 CREATE TABLE `order_item` (
   `order_id` int(11) NOT NULL,
   `item_id` int(11) NOT NULL,
@@ -72,6 +82,14 @@ CREATE TABLE `order_item` (
   CONSTRAINT `FK_order_item_item_id` FOREIGN KEY (`item_id`) REFERENCES `item` (`id`) ON DELETE CASCADE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
+
+CREATE TABLE `order_item_with_null_fk` (
+  `order_id` int(11),
+  `item_id` int(11),
+  `quantity` int(11) NOT NULL,
+  `subtotal` decimal(10,0) NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
 CREATE TABLE `composite_fk` (
   `id` int(11) NOT NULL,
   `order_id` int(11) NOT NULL,
@@ -124,6 +142,10 @@ INSERT INTO `order` (customer_id, created_at, total) VALUES (1, 1325282384, 110.
 INSERT INTO `order` (customer_id, created_at, total) VALUES (2, 1325334482, 33.0);
 INSERT INTO `order` (customer_id, created_at, total) VALUES (2, 1325502201, 40.0);
 
+INSERT INTO `order_with_null_fk` (customer_id, created_at, total) VALUES (1, 1325282384, 110.0);
+INSERT INTO `order_with_null_fk` (customer_id, created_at, total) VALUES (2, 1325334482, 33.0);
+INSERT INTO `order_with_null_fk` (customer_id, created_at, total) VALUES (2, 1325502201, 40.0);
+
 INSERT INTO `order_item` (order_id, item_id, quantity, subtotal) VALUES (1, 1, 1, 30.0);
 INSERT INTO `order_item` (order_id, item_id, quantity, subtotal) VALUES (1, 2, 2, 40.0);
 INSERT INTO `order_item` (order_id, item_id, quantity, subtotal) VALUES (2, 4, 1, 10.0);
@@ -131,6 +153,13 @@ INSERT INTO `order_item` (order_id, item_id, quantity, subtotal) VALUES (2, 5, 1
 INSERT INTO `order_item` (order_id, item_id, quantity, subtotal) VALUES (2, 3, 1, 8.0);
 INSERT INTO `order_item` (order_id, item_id, quantity, subtotal) VALUES (3, 2, 1, 40.0);
 
+INSERT INTO `order_item_with_null_fk` (order_id, item_id, quantity, subtotal) VALUES (1, 1, 1, 30.0);
+INSERT INTO `order_item_with_null_fk` (order_id, item_id, quantity, subtotal) VALUES (1, 2, 2, 40.0);
+INSERT INTO `order_item_with_null_fk` (order_id, item_id, quantity, subtotal) VALUES (2, 4, 1, 10.0);
+INSERT INTO `order_item_with_null_fk` (order_id, item_id, quantity, subtotal) VALUES (2, 5, 1, 15.0);
+INSERT INTO `order_item_with_null_fk` (order_id, item_id, quantity, subtotal) VALUES (2, 3, 1, 8.0);
+INSERT INTO `order_item_with_null_fk` (order_id, item_id, quantity, subtotal) VALUES (3, 2, 1, 40.0);
+
 
 /**
  * (MySQL-)Database Schema for validator tests

tests/unit/data/postgres.sql

@@ -6,7 +6,9 @@
 
 DROP TABLE IF EXISTS "order_item" CASCADE;
 DROP TABLE IF EXISTS "item" CASCADE;
+DROP TABLE IF EXISTS "order_item_with_null_fk" CASCADE;
 DROP TABLE IF EXISTS "order" CASCADE;
+DROP TABLE IF EXISTS "order_with_null_fk" CASCADE;
 DROP TABLE IF EXISTS "category" CASCADE;
 DROP TABLE IF EXISTS "customer" CASCADE;
 DROP TABLE IF EXISTS "profile" CASCADE;
@@ -54,6 +56,13 @@ CREATE TABLE "order" (
   total decimal(10,0) NOT NULL
 );
 
+CREATE TABLE "order_with_null_fk" (
+  id serial not null primary key,
+  customer_id integer,
+  created_at integer NOT NULL,
+  total decimal(10,0) NOT NULL
+);
+
 CREATE TABLE "order_item" (
   order_id integer NOT NULL references "order"(id) on UPDATE CASCADE on DELETE CASCADE,
   item_id integer NOT NULL references "item"(id) on UPDATE CASCADE on DELETE CASCADE,
@@ -62,6 +71,13 @@ CREATE TABLE "order_item" (
   PRIMARY KEY (order_id,item_id)
 );
 
+CREATE TABLE "order_item_with_null_fk" (
+  order_id integer,
+  item_id integer,
+  quantity integer NOT NULL,
+  subtotal decimal(10,0) NOT NULL
+);
+
 CREATE TABLE "null_values" (
   id INT NOT NULL,
   var1 INT NULL,
@@ -106,6 +122,10 @@ INSERT INTO "order" (customer_id, created_at, total) VALUES (1, 1325282384, 110.
 INSERT INTO "order" (customer_id, created_at, total) VALUES (2, 1325334482, 33.0);
 INSERT INTO "order" (customer_id, created_at, total) VALUES (2, 1325502201, 40.0);
 
+INSERT INTO "order_with_null_fk" (customer_id, created_at, total) VALUES (1, 1325282384, 110.0);
+INSERT INTO "order_with_null_fk" (customer_id, created_at, total) VALUES (2, 1325334482, 33.0);
+INSERT INTO "order_with_null_fk" (customer_id, created_at, total) VALUES (2, 1325502201, 40.0);
+
 INSERT INTO "order_item" (order_id, item_id, quantity, subtotal) VALUES (1, 1, 1, 30.0);
 INSERT INTO "order_item" (order_id, item_id, quantity, subtotal) VALUES (1, 2, 2, 40.0);
 INSERT INTO "order_item" (order_id, item_id, quantity, subtotal) VALUES (2, 4, 1, 10.0);
@@ -113,6 +133,13 @@ INSERT INTO "order_item" (order_id, item_id, quantity, subtotal) VALUES (2, 5, 1
 INSERT INTO "order_item" (order_id, item_id, quantity, subtotal) VALUES (2, 3, 1, 8.0);
 INSERT INTO "order_item" (order_id, item_id, quantity, subtotal) VALUES (3, 2, 1, 40.0);
 
+INSERT INTO "order_item_with_null_fk" (order_id, item_id, quantity, subtotal) VALUES (1, 1, 1, 30.0);
+INSERT INTO "order_item_with_null_fk" (order_id, item_id, quantity, subtotal) VALUES (1, 2, 2, 40.0);
+INSERT INTO "order_item_with_null_fk" (order_id, item_id, quantity, subtotal) VALUES (2, 4, 1, 10.0);
+INSERT INTO "order_item_with_null_fk" (order_id, item_id, quantity, subtotal) VALUES (2, 5, 1, 15.0);
+INSERT INTO "order_item_with_null_fk" (order_id, item_id, quantity, subtotal) VALUES (2, 3, 1, 8.0);
+INSERT INTO "order_item_with_null_fk" (order_id, item_id, quantity, subtotal) VALUES (3, 2, 1, 40.0);
+
 /**
  * (Postgres-)Database Schema for validator tests
  */

tests/unit/data/sqlite.sql

@@ -5,8 +5,10 @@
 
 DROP TABLE IF EXISTS "composite_fk";
 DROP TABLE IF EXISTS "order_item";
+DROP TABLE IF EXISTS "order_item_with_null_fk";
 DROP TABLE IF EXISTS "item";
 DROP TABLE IF EXISTS "order";
+DROP TABLE IF EXISTS "order_with_null_fk";
 DROP TABLE IF EXISTS "category";
 DROP TABLE IF EXISTS "customer";
 DROP TABLE IF EXISTS "profile";
@@ -50,6 +52,14 @@ CREATE TABLE "order" (
   PRIMARY KEY (id)
 );
 
+CREATE TABLE "order_with_null_fk" (
+  id INTEGER NOT NULL,
+  customer_id INTEGER,
+  created_at INTEGER NOT NULL,
+  total decimal(10,0) NOT NULL,
+  PRIMARY KEY (id)
+);
+
 CREATE TABLE "order_item" (
   order_id INTEGER NOT NULL,
   item_id INTEGER NOT NULL,
@@ -58,6 +68,13 @@ CREATE TABLE "order_item" (
   PRIMARY KEY (order_id, item_id)
 );
 
+CREATE TABLE "order_item_with_null_fk" (
+  order_id INTEGER,
+  item_id INTEGER,
+  quantity INTEGER NOT NULL,
+  subtotal decimal(10,0) NOT NULL,
+);
+
 CREATE TABLE "composite_fk" (
   id int(11) NOT NULL,
   order_id int(11) NOT NULL,
@@ -109,6 +126,10 @@ INSERT INTO "order" (customer_id, created_at, total) VALUES (1, 1325282384, 110.
 INSERT INTO "order" (customer_id, created_at, total) VALUES (2, 1325334482, 33.0);
 INSERT INTO "order" (customer_id, created_at, total) VALUES (2, 1325502201, 40.0);
 
+INSERT INTO "order_with_null_fk" (customer_id, created_at, total) VALUES (1, 1325282384, 110.0);
+INSERT INTO "order_with_null_fk" (customer_id, created_at, total) VALUES (2, 1325334482, 33.0);
+INSERT INTO "order_with_null_fk" (customer_id, created_at, total) VALUES (2, 1325502201, 40.0);
+
 INSERT INTO "order_item" (order_id, item_id, quantity, subtotal) VALUES (1, 1, 1, 30.0);
 INSERT INTO "order_item" (order_id, item_id, quantity, subtotal) VALUES (1, 2, 2, 40.0);
 INSERT INTO "order_item" (order_id, item_id, quantity, subtotal) VALUES (2, 4, 1, 10.0);
@@ -116,6 +137,13 @@ INSERT INTO "order_item" (order_id, item_id, quantity, subtotal) VALUES (2, 5, 1
 INSERT INTO "order_item" (order_id, item_id, quantity, subtotal) VALUES (2, 3, 1, 8.0);
 INSERT INTO "order_item" (order_id, item_id, quantity, subtotal) VALUES (3, 2, 1, 40.0);
 
+INSERT INTO "order_item_with_null_fk" (order_id, item_id, quantity, subtotal) VALUES (1, 1, 1, 30.0);
+INSERT INTO "order_item_with_null_fk" (order_id, item_id, quantity, subtotal) VALUES (1, 2, 2, 40.0);
+INSERT INTO "order_item_with_null_fk" (order_id, item_id, quantity, subtotal) VALUES (2, 4, 1, 10.0);
+INSERT INTO "order_item_with_null_fk" (order_id, item_id, quantity, subtotal) VALUES (2, 5, 1, 15.0);
+INSERT INTO "order_item_with_null_fk" (order_id, item_id, quantity, subtotal) VALUES (2, 3, 1, 8.0);
+INSERT INTO "order_item_with_null_fk" (order_id, item_id, quantity, subtotal) VALUES (3, 2, 1, 40.0);
+
 /**
  * (SqLite-)Database Schema for validator tests
  */

tests/unit/framework/ar/ActiveRecordTestTrait.php

@@ -678,24 +678,95 @@ trait ActiveRecordTestTrait
         $customerClass = $this->getCustomerClass();
         /** @var \yii\db\ActiveRecordInterface $orderClass */
         $orderClass = $this->getOrderClass();
+        /** @var \yii\db\ActiveRecordInterface $orderWithNullFKClass */
+        $orderWithNullFKClass = $this->getOrderWithNullFKClass();
+        /** @var \yii\db\ActiveRecordInterface $orderItemsWithNullFKClass */
+        $orderItemsWithNullFKClass = $this->getOrderIteWithNullFKmClass();
+
+
 
         /** @var TestCase|ActiveRecordTestTrait $this */
-        // has many
+        // has many without delete
+        $customer = $customerClass::findOne(2);
+        $this->assertEquals(2, count($customer->ordersWithNullFK));
+        $customer->unlink('ordersWithNullFK', $customer->ordersWithNullFK[1], false);
+
+        $this->assertEquals(1, count($customer->ordersWithNullFK));
+        $orderWithNullFK = $orderWithNullFKClass::findOne(3);
+
+        $this->assertEquals(3,$orderWithNullFK->id);
+        $this->assertNull($orderWithNullFK->customer_id);
+
+        // has many with delete
         $customer = $customerClass::findOne(2);
         $this->assertEquals(2, count($customer->orders));
         $customer->unlink('orders', $customer->orders[1], true);
-        $this->afterSave();
+
         $this->assertEquals(1, count($customer->orders));
         $this->assertNull($orderClass::findOne(3));
 
-        // via model
+        // via model with delete
         $order = $orderClass::findOne(2);
         $this->assertEquals(3, count($order->items));
         $this->assertEquals(3, count($order->orderItems));
         $order->unlink('items', $order->items[2], true);
-        $this->afterSave();
+
         $this->assertEquals(2, count($order->items));
         $this->assertEquals(2, count($order->orderItems));
+
+        // via model without delete
+        $this->assertEquals(3, count($order->itemsWithNullFK));
+        $order->unlink('itemsWithNullFK', $order->itemsWithNullFK[2], false);
+
+        $this->assertEquals(2, count($order->itemsWithNullFK));
+        $this->assertEquals(2, count($order->orderItems));
+    }
+
+    public function testUnlinkAll()
+    {
+        /** @var \yii\db\ActiveRecordInterface $customerClass */
+        $customerClass = $this->getCustomerClass();
+        /** @var \yii\db\ActiveRecordInterface $orderClass */
+        $orderClass = $this->getOrderClass();
+
+        $orderWithNullFKClass = $this->getOrderWithNullFKClass();
+
+        /** @var \yii\db\ActiveRecordInterface $orderItemsWithNullFKClass */
+        $orderItemsWithNullFKClass = $this->getOrderIteWithNullFKmClass();
+
+        /** @var TestCase|ActiveRecordTestTrait $this */
+        // has many with delete
+        $customer = $customerClass::findOne(2);
+        $this->assertEquals(2, count($customer->orders));
+        $customer->unlinkAll('orders', true);
+
+        $this->assertEquals(0, count($customer->orders));
+
+        $this->assertNull($orderClass::findOne(2));
+        $this->assertNull($orderClass::findOne(3));
+
+
+        // has many without delete
+        $customer = $customerClass::findOne(2);
+        $this->assertEquals(2, count($customer->ordersWithNullFK));
+        $customer->unlinkAll('ordersWithNullFK', false);
+
+        $this->assertEquals(0, count($customer->ordersWithNullFK));
+
+        $this->assertEquals(2,$orderWithNullFKClass::find()->where('(id=2 OR id=3) AND customer_id IS NULL')->count());
+
+        // via model with delete
+        /** @var Order $order */
+        $order = $orderClass::findOne(1);
+        $this->assertEquals(2, count($order->books));
+        $order->unlinkAll('books', true);
+        $this->assertEquals(0, count($order->books));
+
+        // via model without delete
+        $books = $order->booksWithNullFK;
+        $this->assertEquals(2, count($books));
+        $order->unlinkAll('booksWithNullFK',false);
+        $this->assertEquals(2,$orderItemsWithNullFKClass::find()->where('(item_id=1 OR item_id=2) AND order_id IS NULL')->count());
     }
 
     public static $afterSaveNewRecord;

tests/unit/framework/db/ActiveRecordTest.php

@@ -7,6 +7,8 @@ use yiiunit\data\ar\NullValues;
 use yiiunit\data\ar\OrderItem;
 use yiiunit\data\ar\Order;
 use yiiunit\data\ar\Item;
+use yiiunit\data\ar\OrderItemWithNullFK;
+use yiiunit\data\ar\OrderWithNullFK;
 use yiiunit\data\ar\Profile;
 use yiiunit\data\ar\Type;
 use yiiunit\framework\ar\ActiveRecordTestTrait;
@@ -46,6 +48,15 @@ class ActiveRecordTest extends DatabaseTestCase
         return OrderItem::className();
     }
 
+    public function getOrderWithNullFKClass()
+    {
+        return OrderWithNullFK::className();
+    }
+    public function getOrderIteWithNullFKmClass()
+    {
+        return OrderItemWithNullFK::className();
+    }
+
     public function testCustomColumns()
     {
         // find custom column