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Sync Worker Lifecycle

Understanding the Prisma IDB Sync Engine

Prisma IDB Sync Engine

The Prisma IDB Sync Engine is an optional component that enables bidirectional synchronization between the local IndexedDB database and a remote server. It is designed to ensure data consistency across multiple devices while providing robust conflict resolution and authorization mechanisms.

The Core Components

  • Sync Worker: Manages push and pull operations, ensuring local changes are sent to the server and remote changes are applied locally.
  • Outbox: Stores local mutations awaiting server synchronization.
  • Version Table: Tracks local database state relative to the server, determining what changes to pull.
  • Changelog Table: Records server-side changes that are materialized into IndexedDB during pull operations.

Synchronization Process

Authoritative Schema DAG

How local changes are scoped and applied in Prisma IDB Sync

Step 1: Generator Config

Configure the Prisma IDB generator for sync

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Prisma IDB Sync EngineThe Core ComponentsSynchronization Process