function DatabaseMergeTestCase::testMergeUpdateWithoutUpdate

Confirm that we can merge-update without any update fields.

File

core/modules/simpletest/tests/database_test.test, line 1248

Database tests.

Class

DatabaseMergeTestCase

Test the MERGE query builder.

Code

function testMergeUpdateWithoutUpdate() {
  $num_records_before = db_query('SELECT COUNT(*) FROM {test_people}')->fetchField();

  db_merge('test_people')
    ->key(array('job' => 'Speaker'))
    ->execute();

  $num_records_after = db_query('SELECT COUNT(*) FROM {test_people}')->fetchField();
  $this->assertEqual($num_records_before, $num_records_after, 'Merge skipped properly.');

  $person = db_query('SELECT * FROM {test_people} WHERE job = :job', array(':job' => 'Speaker'))->fetch();
  $this->assertEqual($person->name, 'Meredith', 'Name skipped correctly.');
  $this->assertEqual($person->age, 30, 'Age skipped correctly.');
  $this->assertEqual($person->job, 'Speaker', 'Job skipped correctly.');

  db_merge('test_people')
    ->key(array('job' => 'Speaker'))
    ->insertFields(array('age' => 31))
    ->execute();

  $num_records_after = db_query('SELECT COUNT(*) FROM {test_people}')->fetchField();
  $this->assertEqual($num_records_before, $num_records_after, 'Merge skipped properly.');

  $person = db_query('SELECT * FROM {test_people} WHERE job = :job', array(':job' => 'Speaker'))->fetch();
  $this->assertEqual($person->name, 'Meredith', 'Name skipped correctly.');
  $this->assertEqual($person->age, 30, 'Age skipped correctly.');
  $this->assertEqual($person->job, 'Speaker', 'Job skipped correctly.');
}