cynos-database

WASM API bindings and JavaScript API for Cynos database.

Overview

This crate provides the public API for the Cynos in-memory database, including WASM bindings for use in JavaScript/TypeScript applications.

Core Components

• Database: Main entry point for database operations
• TableBuilder: Builder for creating table schemas
• SelectBuilder: Query builder for SELECT statements
• InsertBuilder, UpdateBuilder, DeleteBuilder: DML builders
• JsObservableQuery: Observable query with subscription support

Features

• Full WASM support for browser and Node.js
• Type-safe query builder API
• Reactive queries with subscription support
• Binary protocol for efficient data transfer

Usage (JavaScript)

import { Database, DataType, col } from '@cynos/core';

const db = await Database.create('mydb');

db.createTable('users')
  .column('id', DataType.Int64, { primaryKey: true })
  .column('name', DataType.String)
  .column('age', DataType.Int32)
  .build();

await db.insert('users').values([
  { id: 1, name: 'Alice', age: 25 },
  { id: 2, name: 'Bob', age: 30 },
]).exec();

const results = await db.select()
  .from('users')
  .where(col('age').gt(25))
  .exec();

Reactive Queries

const query = db.select()
  .from('users')
  .where(col('age').gt(18))
  .observe();

query.subscribe((changes) => {
  console.log('Added:', changes.added);
  console.log('Removed:', changes.removed);
});

License

Apache-2.0