docs changes after moving code around

separate commit for review purposes

datafusion/catalog/src/catalog.rs

@@ -40,12 +40,10 @@ use datafusion_common::Result;
 ///
 /// To implement a catalog, you implement at least one of the [`CatalogProviderList`],
 /// [`CatalogProvider`] and [`SchemaProvider`] traits and register them
-/// appropriately the [`SessionContext`].
-///
-/// [`SessionContext`]: crate::execution::context::SessionContext
+/// appropriately in the `SessionContext`.
 ///
 /// DataFusion comes with a simple in-memory catalog implementation,
-/// [`MemoryCatalogProvider`], that is used by default and has no persistence.
+/// `MemoryCatalogProvider`, that is used by default and has no persistence.
 /// DataFusion does not include more complex Catalog implementations because
 /// catalog management is a key design choice for most data systems, and thus
 /// it is unlikely that any general-purpose catalog implementation will work
@@ -79,12 +77,10 @@ use datafusion_common::Result;
 /// access required to read table details (e.g. statistics).
 ///
 /// The pattern that DataFusion itself uses to plan SQL queries is to walk over
-/// the query to [find all table references],
+/// the query to find all table references,
 /// performing required remote catalog in parallel, and then plans the query
 /// using that snapshot.
 ///
-/// [find all table references]: resolve_table_references
-///
 /// # Example Catalog Implementations
 ///
 /// Here are some examples of how to implement custom catalogs:
@@ -135,7 +131,7 @@ pub trait CatalogProvider: Sync + Send {
 
     /// Removes a schema from this catalog. Implementations of this method should return
     /// errors if the schema exists but cannot be dropped. For example, in DataFusion's
-    /// default in-memory catalog, [`MemoryCatalogProvider`], a non-empty schema
+    /// default in-memory catalog, `MemoryCatalogProvider`, a non-empty schema
     /// will only be successfully dropped when `cascade` is true.
     /// This is equivalent to how DROP SCHEMA works in PostgreSQL.
     ///

datafusion/catalog/src/session.rs

@@ -47,9 +47,7 @@ pub trait CatalogSession: Send + Sync {
     ///
     /// This function will error for [`LogicalPlan`]s such as catalog DDL like
     /// `CREATE TABLE`, which do not have corresponding physical plans and must
-    /// be handled by another layer, typically [`SessionContext`].
-    ///
-    /// [`SessionContext`]: crate::execution::context::SessionContext
+    /// be handled by another layer, typically the `SessionContext`.
     async fn create_physical_plan(
         &self,
         logical_plan: &LogicalPlan,
@@ -58,17 +56,11 @@ pub trait CatalogSession: Send + Sync {
     /// Create a [`PhysicalExpr`] from an [`Expr`] after applying type
     /// coercion, and function rewrites.
     ///
-    /// Note: The expression is not [simplified] or otherwise optimized:  `a = 1
+    /// Note: The expression is not simplified or otherwise optimized:  `a = 1
     /// + 2` will not be simplified to `a = 3` as this is a more involved process.
     /// See the [expr_api] example for how to simplify expressions.
     ///
-    /// # See Also:
-    /// * [`SessionContext::create_physical_expr`] for a higher-level API
-    /// * [`create_physical_expr`] for a lower-level API
-    ///
-    /// [simplified]: datafusion_optimizer::simplify_expressions
     /// [expr_api]: https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/expr_api.rs
-    /// [`SessionContext::create_physical_expr`]: crate::execution::context::SessionContext::create_physical_expr
     fn create_physical_expr(
         &self,
         expr: Expr,

datafusion/catalog/src/table.rs

@@ -267,7 +267,7 @@ pub trait TableProvider: Sync + Send {
     /// See [`DataSinkExec`] for the common pattern of inserting a
     /// streams of `RecordBatch`es as files to an ObjectStore.
     ///
-    /// [`DataSinkExec`]: crate::physical_plan::insert::DataSinkExec
+    /// [`DataSinkExec`]: datafusion_physical_plan::insert::DataSinkExec
     async fn insert_into(
         &self,
         _state: &dyn CatalogSession,

datafusion/core/src/datasource/file_format/mod.rs

@@ -69,7 +69,7 @@ pub trait FileFormatFactory: Sync + Send + GetExt {
 /// from the [`TableProvider`]. This helps code re-utilization across
 /// providers that support the same file formats.
 ///
-/// [`TableProvider`]: crate::datasource::provider::TableProvider
+/// [`TableProvider`]: crate::catalog_api::TableProvider
 #[async_trait]
 pub trait FileFormat: Send + Sync + fmt::Debug {
     /// Returns the table provider as [`Any`](std::any::Any) so that it can be