function DatabaseAlterTestCase::testAlterExpression

Test that we can alter expressions in the query.

File

modules/simpletest/tests/database_test.test, line 3018

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.');
}