DatabaseUpdateComplexTestCase::testUpdateExpression

Test update with expression values.

File

modules/simpletest/tests/database_test.test, line 905

Code

function testUpdateExpression() {
  $before_age = db_query('SELECT age FROM {test} WHERE name = :name', array(':name' => 'Ringo'))->fetchField();
  $GLOBALS['larry_test'] = 1;
  $num_updated = db_update('test')
      ->condition('name', 'Ringo')
      ->fields(array('job' => 'Musician'))
      ->expression('age', 'age + :age', array(':age' => 4))
      ->execute();
  $this->assertIdentical($num_updated, 1, t('Updated 1 record.'));

  $num_matches = db_query('SELECT COUNT(*) FROM {test} WHERE job = :job', array(':job' => 'Musician'))->fetchField();
  $this->assertIdentical($num_matches, '1', t('Updated fields successfully.'));

  $person = db_query('SELECT * FROM {test} WHERE name = :name', array(':name' => 'Ringo'))->fetch();
  $this->assertEqual($person->name, 'Ringo', t('Name set correctly.'));
  $this->assertEqual($person->age, $before_age + 4, t('Age set correctly.'));
  $this->assertEqual($person->job, 'Musician', t('Job set correctly.'));
  $GLOBALS['larry_test'] = 0;
}