function DatabaseUpdateTestCase::testPrimaryKeyUpdate in Drupal 7

Confirm that we can update the primary key of a record successfully.

File

modules/simpletest/tests/database_test.test, line 883

Class

DatabaseUpdateTestCase

Update builder tests.

Code

function testPrimaryKeyUpdate() {
  $num_updated = db_update('test')
    ->fields(array(
    'id' => 42,
    'name' => 'John',
  ))
    ->condition('id', 1)
    ->execute();
  $this
    ->assertIdentical($num_updated, 1, 'Updated 1 record.');
  $saved_name = db_query('SELECT name FROM {test} WHERE id = :id', array(
    ':id' => 42,
  ))
    ->fetchField();
  $this
    ->assertIdentical($saved_name, 'John', 'Updated primary key successfully.');
}