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Minor: Update documentation about crate organization #14304

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Jan 27, 2025
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Minor: Update documentation about crate organization #14304

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Minor: Update documentation about crate organization
alamb Jan 26, 2025
7cbca0f
Update datafusion/core/src/lib.rs
comphead Jan 26, 2025
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28 changes: 25 additions & 3 deletions datafusion/core/src/lib.rs
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Expand Up @@ -624,19 +624,41 @@
//!
//! ## Crate Organization
//!
//! DataFusion is organized into multiple crates to enforce modularity
//! and improve compilation times. The crates are:
//! Most users interact with DataFusion via this crate (`datafusion`), which re-exports
//! all functionality needed to build and execute queries.
//!
//! There are three other crates that provide additional functionality that
//! must be used directly:
//! * [`datafusion_proto`]: Plan serialization and deserialization
//! * [`datafusion_substrait`]: Support for the substrait plan serialization format
//! * [`datafusion_sqllogictest`] : The DataFusion SQL logic test runner
//!
//! [`datafusion_proto`]: https://crates.io/crates/datafusion-proto
//! [`datafusion_substrait`]: https://crates.io/crates/datafusion-substrait
//! [`datafusion_sqllogictest`]: https://crates.io/crates/datafusion-sqllogictest
//!
//! DataFusion is internally split into multiple sub crates to
//! enforce modularity and improve compilation times. See the
//! [list of modules](#modules) for all available sub-crates. Major ones are
//!
//! * [datafusion_common]: Common traits and types
//! * [datafusion_catalog]: Catalog APIs such as [`SchemaProvider`] and [`CatalogProvider`]
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There has been quite a bit of progress towards modularizing datafusion since this section was first written ❤️

//! * [datafusion_execution]: State and structures needed for execution
//! * [datafusion_expr]: [`LogicalPlan`], [`Expr`] and related logical planning structure
//! * [datafusion_expr]: [`LogicalPlan`], [`Expr`] and related logical planning structure
//! * [datafusion_functions]: Scalar function packages
//! * [datafusion_functions_aggregate]: Aggregate functions such as `MIN`, `MAX`, `SUM`, etc
//! * [datafusion_functions_nested]: Scalar function packages for `ARRAY`s, `MAP`s and `STRUCT`s
//! * [datafusion_functions_table]: Table Functions such as `GENERATE_SERIES`
//! * [datafusion_functions_window]: Window functions such as `ROW_NUMBER`, `RANK`, etc
//! * [datafusion_optimizer]: [`OptimizerRule`]s and [`AnalyzerRule`]s
//! * [datafusion_physical_expr]: [`PhysicalExpr`] and related expressions
//! * [datafusion_physical_plan]: [`ExecutionPlan`] and related expressions
//! * [datafusion_physical_optimizer]: [`ExecutionPlan`] and related expressions
//! * [datafusion_sql]: SQL planner ([`SqlToRel`])
//!
//! [`SchemaProvider`]: datafusion_catalog::SchemaProvider
//! [`CatalogProvider`]: datafusion_catalog::CatalogProvider
//!
//! ## Citing DataFusion in Academic Papers
//!
//! You can use the following citation to reference DataFusion in academic papers:
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