CRUD - 読み取り - Node.js SDK

const myTask = realm.objectForPrimaryKey("Task", 12342245); // search for a realm object with a primary key that is an int.

// Query realm for all instances of the "Task" type.
const tasks = realm.objects("Task");

// retrieve the set of Task objects
const tasks = realm.objects("Task");
// filter for tasks with a high priority
const highPriorityTasks = tasks.filtered("priority > $0", 5);
// filter for tasks that have just-started or short-running progress
const lowProgressTasks = tasks.filtered(
  "$0 <= progressMinutes && progressMinutes < $1",
  1,
  10
);
console.log(
  `Number of high priority tasks: ${highPriorityTasks.length} \n`,
  `Number of just-started or short-running tasks: ${lowProgressTasks.length}`
);

// retrieve the set of Task objects
const tasks = realm.objects("Task");
// Sort tasks by name in ascending order
const tasksByName = tasks.sorted("name");
// Sort tasks by name in descending order
const tasksByNameDescending = tasks.sorted("name", true);
// Sort tasks by priority in descending order and then by name alphabetically
const tasksByPriorityDescendingAndName = tasks.sorted([
  ["priority", true],
  ["name", false],
]);
// Sort dogs by dog's owner's name.
let dogsByOwnersName = realm.objects("Dog").sorted("owner.name");