function DatabaseUpdateComplexTestCase::testUpdateExpression

Test update with expression values.

File

core/modules/simpletest/tests/database_test.test, line 951

Database tests.

Class

DatabaseUpdateComplexTestCase

Tests for more complex update statements.

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, 'Updated 1 record.');

  $num_matches = db_query('SELECT COUNT(*) FROM {test} WHERE job = :job', array(':job' => 'Musician'))->fetchField();
  $this->assertIdentical($num_matches, '1', 'Updated fields successfully.');

  $person = db_query('SELECT * FROM {test} WHERE name = :name', array(':name' => 'Ringo'))->fetch();
  $this->assertEqual($person->name, 'Ringo', 'Name set correctly.');
  $this->assertEqual($person->age, $before_age + 4, 'Age set correctly.');
  $this->assertEqual($person->job, 'Musician', 'Job set correctly.');
  $GLOBALS['larry_test'] = 0;
}