function SelectComplexTest::testJoinSubquery

Tests that we can join on a query.

File

core/tests/Drupal/KernelTests/Core/Database/SelectComplexTest.php, line 349

Class

SelectComplexTest

Tests the Select query builder with more complex queries.

Namespace

Code

public function testJoinSubquery() {
    $this->installSchema('system', 'sequences');
    $account = User::create([
        'name' => $this->randomMachineName(),
        'mail' => $this->randomMachineName() . '@example.com',
    ]);
    $query = Database::getConnection('replica')->select('test_task', 'tt');
    $query->addExpression('[tt].[pid] + 1', 'abc');
    $query->condition('priority', 1, '>');
    $query->condition('priority', 100, '<');
    $subquery = $this->connection
        ->select('test', 'tp');
    $subquery->join('test_one_blob', 'tpb', '[tp].[id] = [tpb].[id]');
    $subquery->join('node', 'n', '[tp].[id] = [n].[nid]');
    $subquery->addTag('node_access');
    $subquery->addMetaData('account', $account);
    $subquery->addField('tp', 'id');
    $subquery->condition('age', 5, '>');
    $subquery->condition('age', 500, '<');
    $query->leftJoin($subquery, 'sq', '[tt].[pid] = [sq].[id]');
    $query->join('test_one_blob', 'tb3', '[tt].[pid] = [tb3].[id]');
    // Construct the query string.
    // This is the same sequence that SelectQuery::execute() goes through.
    $query->preExecute();
    $query->getArguments();
    $str = (string) $query;
    // Verify that the string only has one copy of condition placeholder 0.
    $pos = strpos($str, 'db_condition_placeholder_0', 0);
    $pos2 = strpos($str, 'db_condition_placeholder_0', $pos + 1);
    $this->assertFalse($pos2, 'Condition placeholder is not repeated.');
}