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User Guide

Introduction
Example Usage
Concepts, Readings, Events
Crate Configuration
DataFusion CLI
DataFrame API
Expression API
SQL Reference
Configuration Settings
Reading Explain Plans
Frequently Asked Questions

Library User Guide

Introduction
Extensions List
Using the SQL API
Working with Expr s
Using the DataFrame API
Building Logical Plans
Catalogs, Schemas, and Tables
Adding User Defined Functions: Scalar/Window/Aggregate/Table Functions
Custom Table Provider
Extending DataFusion’s operators: custom LogicalPlan and Execution Plans
Profiling Cookbook
DataFusion Query Optimizer
API health policy

Contributor Guide

Introduction
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Getting Started
Architecture
Testing
HOWTOs
Roadmap
Governance
Inviting New Committers and PMC Members
Specifications
- Invariants
- Output field name semantics

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