Documentation Blog

Getting Started

Installation
Your First Worker
Add a Database
Add GraphQL
Deploy to Cloudflare
Call Your Worker with RPC

Decorators and Boot

Define a Route
Read Request Parameters
Validate Request Bodies
Headers and Cookies
Middleware
CORS

Define an Entity
Relations
Migrations
Query Data
Write Data
Lifecycle Hooks
Multiple Databases

Use RPC
Call a Worker from the Web
Share Types
Worker-to-Worker Calls

Dependency Injection

Inject Services
Lifetimes and Scopes
Typed Keys and Providers

Request Context

Use the RequestContext

Define Types
Write Resolvers
The Schema Workflow

Validate Input
Validation Rules
Custom Rules

Serializable Objects
Transformers

Unit Tests
Integration Tests
Test Modules

Create a Module
Settings and Dependencies
Registration Modifiers
Composition Patterns

Key-Value Storage
Object Storage
Durable Objects
Containers

Send Messages
Process Messages

Scheduled Tasks

Scheduled Tasks

Use the EventBus

Use WebSockets

Access Control
Encryption

CLI Fundamentals
Develop and Build
Command Reference

Environments and Configuration
Read Configuration
Deploying
Continuous Deployment
Run on Node

Debugging

Logging

Classes
Interfaces
Functions
Types
Enums
Namespaces

Decorators
Classes
Interfaces
Functions
Types
Constants

Decorators
Classes
Interfaces
Functions
Types
Constants

Decorators
Classes
Interfaces
Functions
Types
Enums
Constants

Decorators
Classes
Interfaces
Functions
Types
Constants

Dependency Injection

Decorators
Classes
Interfaces
Functions
Types
Constants
Namespaces

Decorators
Interfaces
Functions
Types

Decorators
Interfaces
Functions

Decorators
Classes
Interfaces
Types
Constants

Decorators
Classes
Interfaces
Functions
Types
Constants

Decorators
Classes
Interfaces
Types
Constants

Classes
Interfaces
Functions
Types
Constants

Decorators
Classes
Interfaces
Functions
Types
Enums
Constants
Namespaces

Decorators
Interfaces
Constants

Classes

Classes
Interfaces
Functions
Types
Constants

Interfaces

Classes
Interfaces
Functions
Namespaces

Classes

Enums

@system-inc/base-foundation · 515c140 · 1 symbols

ColumnFilterGroupOperator

ColumnFilterGroupOperator

enum

Members

And
Or

View source ↗

Documentation

Getting Started
Guides
API Reference

Project

Blog
Contact

System, Inc.

Website
npm
GitHub

© 2026 System, Inc. All rights reserved.