function DatabaseAlterTestCase::testAlterExpression

7.x database_test.test DatabaseAlterTestCase::testAlterExpression()

Test that we can alter expressions in the query.

File

drupal/modules/simpletest/tests/database_test.test, line 2728

Class

DatabaseAlterTestCase
Select alter tests.

Code

function testAlterExpression() {
  $query = db_select('test');
  $name_field = $query->addField('test', 'name');
  $age_field = $query->addExpression("age*2", 'double_age');
  $query->condition('age', 27);
  $query->addTag('database_test_alter_change_expressions');
  $result = $query->execute();

  // Ensure that we got the right record.
  $record = $result->fetch();

  $this->assertEqual($record->$name_field, 'George', 'Fetched name is correct.');
  $this->assertEqual($record->$age_field, 27 * 3, 'Fetched age expression is correct.');
}