function UpdateTest::testSimpleNullUpdate

Confirms updating to NULL.

File

drupal/core/modules/system/lib/Drupal/system/Tests/Database/UpdateTest.php, line 40
Definition of Drupal\system\Tests\Database\UpdateTest.

Class

UpdateTest
Tests the update query builder.

Namespace

Drupal\system\Tests\Database

Code

function testSimpleNullUpdate() {
  $this
    ->ensureSampleDataNull();
  $num_updated = db_update('test_null')
    ->fields(array(
    'age' => NULL,
  ))
    ->condition('name', 'Kermit')
    ->execute();
  $this
    ->assertIdentical($num_updated, 1, 'Updated 1 record.');
  $saved_age = db_query('SELECT age FROM {test_null} WHERE name = :name', array(
    ':name' => 'Kermit',
  ))
    ->fetchField();
  $this
    ->assertNull($saved_age, 'Updated name successfully.');
}