->condition('*.level1.level2', 41)
->execute();
$this->assertResults([]);
// Make sure that "IS NULL" and "IS NOT NULL" work correctly with
// array-valued fields/keys.
$all = ['1', '2', '3', '4', '5'];
->condition('*.level1.level2', 41)
->execute();
$this->assertResults([]);
// Make sure that "IS NULL" and "IS NOT NULL" work correctly with
// array-valued fields/keys.
$all = ['1', '2', '3', '4', '5'];