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.');
}