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ASF Links

Links

User Guide

Library User Guide

Introduction
Upgrade Guides
Extensions List
Using the SQL API
Extending SQL Syntax
Working with Exprs
Using the DataFrame API
Building Logical Plans
Catalogs, Schemas, and Tables
Functions
- Adding User Defined Functions: Scalar/Window/Aggregate/Table Functions
- Spark Compatible Functions
Custom Table Provider
Table Constraint Enforcement
Extending Operators
Profiling Cookbook
Query Optimizer

Contributor Guide

Introduction
Community Communication
Development Environment
Architecture
Workspace Dependency Graph
Testing
API health policy
HOWTOs
Release Management
Roadmap and Improvement Proposals
Governance
Inviting New Committers and PMC Members
Specifications
- Invariants
- Output field name semantics
Google Summer of Code (GSOC)
- GSoC Application Guidelines (2025)
- GSoC Project Ideas (2025)

DataFusion Subprojects

Index

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