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new b0fda22a0d Publish built docs triggered by
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commit b0fda22a0dab357141fdd9fd5a9d3b891c5690b9
Author: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
AuthorDate: Tue May 12 01:40:37 2026 +0000
Publish built docs triggered by 89ac320dfdfcda012518ce783f918450ea36b127
---
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# Sphinx build info version 1
# This file records the configuration used when building these files. When it
is not found, a full rebuild will be done.
-config: 877a835edaf4d1d395d35fcd2b4dcd8c
+config: b86984bff8cf6b9dbbd0de8cf6ed7ef7
tags: 645f666f9bcd5a90fca523b33c5a78b7
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+# Apache DataFusion
+
+> Apache DataFusion is an extensible query engine written in Rust that uses
Apache Arrow as its in-memory format. This file is a directory of agent-facing
entry points for the DataFusion ecosystem — the Rust core query engine and its
subprojects. Subproject `llms.txt` files contain the project-specific guidance
for writing code against each one.
+
+## Core DataFusion (Rust)
+
+- [User guide](https://datafusion.apache.org/user-guide/introduction.html):
install, example usage, SQL, DataFrame, expressions, configuration, explain
plans.
+- [Library user
guide](https://datafusion.apache.org/library-user-guide/index.html): embedding
DataFusion, extending SQL, custom table providers, building logical plans, the
query optimizer.
+- [Contributor
guide](https://datafusion.apache.org/contributor-guide/index.html): development
environment, architecture, testing, release management, governance.
+- [Rust API docs (`docs.rs`)](https://docs.rs/datafusion/latest/datafusion/):
generated reference for the `datafusion` crate.
+- [GitHub repository](https://github.com/apache/datafusion): source, issues,
pull requests.
+
+## Subprojects
+
+Each subproject may expose its own `llms.txt` at `<docs root>/llms.txt` —
agents following the [llmstxt.org](https://llmstxt.org) convention can probe
these paths for project-specific guidance.
+
+- [DataFusion Python](https://datafusion.apache.org/python/): Python bindings
— SQL and lazy DataFrame API over Apache Arrow.
+- [DataFusion Ballista](https://datafusion.apache.org/ballista/): distributed
execution extension for DataFusion.
+- [DataFusion Comet](https://datafusion.apache.org/comet/): Apache Spark
accelerator built on DataFusion.
+
+## Optional
+
+- [Blog](https://datafusion.apache.org/blog/): release notes and ecosystem
updates.
+- [crates.io `datafusion`](https://crates.io/crates/datafusion): published
crate.
+- [Code of
conduct](https://github.com/apache/datafusion/blob/main/CODE_OF_CONDUCT.md)
+- [Apache Software Foundation](https://apache.org)
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