diff --git a/framework/test/ActiveFixture.php b/framework/test/ActiveFixture.php
index 208debbd9ff..bdee3a44279 100644
--- a/framework/test/ActiveFixture.php
+++ b/framework/test/ActiveFixture.php
@@ -130,7 +130,11 @@ protected function resetTable()
         $table = $this->getTableSchema();
         $this->db->createCommand()->delete($table->fullName)->execute();
         if ($table->sequenceName !== null) {
-            $this->db->createCommand()->executeResetSequence($table->fullName, 1);
+            if ('pgsql' === $this->db->driverName) {
+                $this->db->createCommand("ALTER SEQUENCE {$table->sequenceName} RESTART;")->execute();
+            } else {
+                $this->db->createCommand()->executeResetSequence($table->fullName, 1);
+            }
         }
     }
 
diff --git a/tests/framework/test/ActiveFixtureTest.php b/tests/framework/test/ActiveFixtureTest.php
index c659e6958cf..7250b04dce5 100644
--- a/tests/framework/test/ActiveFixtureTest.php
+++ b/tests/framework/test/ActiveFixtureTest.php
@@ -9,6 +9,7 @@
 
 use Yii;
 use yii\db\Connection;
+use yii\di\Instance;
 use yii\test\ActiveFixture;
 use yii\test\FixtureTrait;
 use yiiunit\data\ar\ActiveRecord;
@@ -55,6 +56,36 @@ public function testGetData()
         $test->tearDown();
     }
 
+    /**
+     * Testing the use of offset fixtures
+     * @return void
+     * @throws \yii\base\InvalidConfigException
+     * @throws \yii\db\Exception
+     */
+    public function testOffsetGetData()
+    {
+        $test = new CustomerOffsetDbTestCase();
+        /** @var Connection $db */
+        $db = Instance::ensure('db', Connection::class);
+        if ('pgsql' === $db->driverName) {
+            $db->createCommand('alter sequence customer_id_seq start 2 minvalue 2 restart 2;')->execute();
+        }
+        $test->setUp();
+        $fixture = $test->getFixture('customers');
+
+        $this->assertEquals(CustomerFixture::className(), get_class($fixture));
+        $this->assertCount(2, $fixture);
+        $this->assertEquals(2, $fixture['customer1']['id']);
+        $this->assertEquals('customer1@example.com', $fixture['customer1']['email']);
+        $this->assertEquals(1, $fixture['customer1']['profile_id']);
+
+        $this->assertEquals(3, $fixture['customer2']['id']);
+        $this->assertEquals('customer2@example.com', $fixture['customer2']['email']);
+        $this->assertEquals(2, $fixture['customer2']['profile_id']);
+
+        $test->tearDown();
+    }
+
     public function testGetModel()
     {
         $test = new CustomerDbTestCase();
@@ -225,6 +256,19 @@ public function fixtures()
     }
 }
 
+class CustomerOffsetDbTestCase extends BaseDbTestCase
+{
+    public function fixtures()
+    {
+        return [
+            'customers' => [
+                'class' => CustomerFixture::className(),
+                'dataFile' => '@app/framework/test/data/customer_offset_sequence.php',
+            ],
+        ];
+    }
+}
+
 class CustomDirectoryDbTestCase extends BaseDbTestCase
 {
     public function fixtures()
diff --git a/tests/framework/test/data/customer_offset_sequence.php b/tests/framework/test/data/customer_offset_sequence.php
new file mode 100644
index 00000000000..d9a25637055
--- /dev/null
+++ b/tests/framework/test/data/customer_offset_sequence.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * @link https://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license https://www.yiiframework.com/license/
+ */
+
+return [
+    'customer1' => [
+        'id' => 2,
+        'email' => 'customer1@example.com',
+        'name' => 'customer1',
+        'address' => 'address1',
+        'status' => 1,
+        'profile_id' => 1,
+    ],
+    'customer2' => [
+        'id' => 3,
+        'email' => 'customer2@example.com',
+        'name' => 'customer2',
+        'address' => 'address2',
+        'status' => 2,
+        'profile_id' => 2,
+    ],
+];