Isar Database

🚧 Very unstable and not ready for serious usage 🚧

Quickstart • Documentation • Examples • Support & Ideas • Pub.dev

Isar [ee-zahr]:

1. River in Bavaria, Germany.
2. Database that will make your life easier.

Features

• ⚡️ Launch your app instantly no matter how much data you have
• 📈 Highly scalable from hundreds to tens of thousands of records
• 😎 Lazy loaded. Only load data when you need it
• 🧪 Full ACID semantics. Rely on consistency
• 📱 Multiplatform. iOS, Android, and the web (soon™)
• 💙 Made for Flutter. Easily use it in your Flutter app
• ⏱ Asynchronous. Parallel query operations & multi-isolate support
• ⚠️ Static typing with compile time checked and autocompleted queries

Schema definition

@Collection()
class Person with IsarObject {

  @Index(unique: true)
  String name;
  
  int age;
}

Query

final isar = await openIsar();

final result = isar.users.where()
  .sortedByName() // use index
  .filter()
  .ageGreaterThan(20)
  .beginGroup()
    .nameEqualTo("Paul")
    .or()
    .nameEqualTo("Lisa")
  .endGroup()
  .findAll()