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User Guide

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Crate Configuration
DataFusion CLI
DataFrame API
Expression API
SQL Reference
Configuration Settings
Reading Explain Plans
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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

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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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