function UpdateTest::testSimpleNullUpdate
Confirms updating to NULL.
File
- 
              core/tests/ Drupal/ KernelTests/ Core/ Database/ UpdateTest.php, line 34 
Class
- UpdateTest
- Tests the update query builder.
Namespace
Drupal\KernelTests\Core\DatabaseCode
public function testSimpleNullUpdate() : void {
  $this->ensureSampleDataNull();
  $num_updated = $this->connection
    ->update('test_null')
    ->fields([
    'age' => NULL,
  ])
    ->condition('name', 'Kermit')
    ->execute();
  $this->assertSame(1, $num_updated, 'Updated 1 record.');
  $saved_age = $this->connection
    ->query('SELECT [age] FROM {test_null} WHERE [name] = :name', [
    ':name' => 'Kermit',
  ])
    ->fetchField();
  $this->assertNull($saved_age, 'Updated name successfully.');
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
