Issue #3264353 by poker10: NodeCreationTestCase fails on PostgreSQL

    }

    // Check that the rollback error was logged.

    $records = db_query("SELECT wid FROM {watchdog} WHERE variables LIKE '%Test exception for rollback.%'")->fetchAll();

    $this->assertTrue(count($records) > 0, 'Rollback explanatory error logged to watchdog.');

    // PostgreSQL doesn't support bytea LIKE queries, so we need to unserialize

    // first to check for the rollback exception message.

    $matches = array();

    $records = db_query("SELECT wid, variables FROM {watchdog}")->fetchAll();

    foreach ($records as $record) {

      $variables = (array) unserialize($record->variables);

      if (isset($variables['!message']) && $variables['!message'] === 'Test exception for rollback.') {

        $matches[] = $record->wid;

      }

    }

    $this->assertTrue(count($matches) > 0, 'Rollback explanatory error logged to watchdog.');

  }

  /**