function UpdateComplexTest::testUpdateExpression
Tests UPDATE with expression values.
File
- 
              core/tests/ Drupal/ KernelTests/ Core/ Database/ UpdateComplexTest.php, line 95 
Class
- UpdateComplexTest
- Tests the Update query builder, complex queries.
Namespace
Drupal\KernelTests\Core\DatabaseCode
public function testUpdateExpression() : void {
  $before_age = $this->connection
    ->query('SELECT [age] FROM {test} WHERE [name] = :name', [
    ':name' => 'Ringo',
  ])
    ->fetchField();
  $num_updated = $this->connection
    ->update('test')
    ->condition('name', 'Ringo')
    ->fields([
    'job' => 'Musician',
  ])
    ->expression('age', '[age] + :age', [
    ':age' => 4,
  ])
    ->execute();
  $this->assertSame(1, $num_updated, 'Updated 1 record.');
  $num_matches = $this->connection
    ->query('SELECT COUNT(*) FROM {test} WHERE [job] = :job', [
    ':job' => 'Musician',
  ])
    ->fetchField();
  $this->assertSame('1', $num_matches, 'Updated fields successfully.');
  $person = $this->connection
    ->query('SELECT * FROM {test} WHERE [name] = :name', [
    ':name' => 'Ringo',
  ])
    ->fetch();
  $this->assertEquals('Ringo', $person->name, 'Name set correctly.');
  $this->assertEquals($before_age + 4, $person->age, 'Age set correctly.');
  $this->assertEquals('Musician', $person->job, 'Job set correctly.');
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
