function UpdateComplexTest::testSubSelectUpdate

Tests UPDATE with a subselect value.

File

core/tests/Drupal/KernelTests/Core/Database/UpdateComplexTest.php, line 128

Class

UpdateComplexTest

Tests the Update query builder, complex queries.

Namespace

Code

public function testSubSelectUpdate() : void {
  $subselect = $this->connection
    ->select('test_task', 't');
  $subselect->addExpression('MAX([priority]) + :increment', 'max_priority', [
    ':increment' => 30,
  ]);
  // Clone this to make sure we are running a different query when
  // asserting.
  $select = clone $subselect;
  $query = $this->connection
    ->update('test')
    ->expression('age', $subselect)
    ->condition('name', 'Ringo');
  // Save the number of rows that updated for assertion later.
  $num_updated = $query->execute();
  $after_age = $this->connection
    ->query('SELECT [age] FROM {test} WHERE [name] = :name', [
    ':name' => 'Ringo',
  ])
    ->fetchField();
  $expected_age = $select->execute()
    ->fetchField();
  $this->assertEquals($expected_age, $after_age);
  // Expect 1 row to be updated.
  $this->assertEquals(1, $num_updated);
}