function DatabaseUpdateTestCase::testPrimaryKeyUpdate

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

File

core/modules/simpletest/tests/database_test.test, line 893

Database tests.

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, t('Updated 1 record.'));

  $saved_name = db_query('SELECT name FROM {test} WHERE id = :id', array(':id' => 42))->fetchField();
  $this->assertIdentical($saved_name, 'John', t('Updated primary key successfully.'));
}