function SelectComplexTest::testDefaultJoin

Tests simple JOIN statements.

File

core/tests/Drupal/KernelTests/Core/Database/SelectComplexTest.php, line 27

Class

SelectComplexTest

Tests the Select query builder with more complex queries.

Namespace

Code

public function testDefaultJoin() : void {
  $query = $this->connection
    ->select('test_task', 't');
  $people_alias = $query->join('test', 'p', '[t].[pid] = [p].[id]');
  $name_field = $query->addField($people_alias, 'name', 'name');
  $query->addField('t', 'task', 'task');
  $priority_field = $query->addField('t', 'priority', 'priority');
  $query->orderBy($priority_field);
  $result = $query->execute();
  $num_records = 0;
  $last_priority = 0;
  // Verify that the results are returned in the correct order.
  foreach ($result as $record) {
    $num_records++;
    $this->assertGreaterThanOrEqual($last_priority, $record->{$priority_field});
    $this->assertNotSame('Ringo', $record->{$name_field}, 'Taskless person not selected.');
    $last_priority = $record->{$priority_field};
  }
  $this->assertEquals(7, $num_records, 'Returned the correct number of rows.');
}