function DatabaseUpdateComplexTestCase::testUpdateExpression

Test update with expression values.

File

modules/simpletest/tests/database_test.test, line 1052

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;
}

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