Remove deprecated key_remapping and filter_join_indices APIs

cpp/include/cudf/join/join.hpp

@@ -365,35 +365,6 @@ filter_join_indices(cudf::table_view const& left,
                     rmm::cuda_stream_view stream           = cudf::get_default_stream(),
                     rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 
-/**
- * @brief Filters join result indices based on a conditional predicate and join type.
- *
- * @deprecated Use the overload that accepts an optional output size instead.
- *
- * @param left The left table for predicate evaluation (conditional columns only).
- * @param right The right table for predicate evaluation (conditional columns only).
- * @param left_indices Device span of row indices in the left table from hash join.
- * @param right_indices Device span of row indices in the right table from hash join.
- * @param predicate An AST expression that returns a boolean for each pair of rows.
- * @param join_kind The type of join operation. Must be INNER_JOIN, LEFT_JOIN, or FULL_JOIN.
- * @param stream CUDA stream used for kernel launches and memory operations.
- * @param mr Device memory resource used to allocate output indices.
- *
- * @return A pair of device vectors [filtered_left_indices, filtered_right_indices]
- *         corresponding to rows that satisfy the join semantics and predicate.
- */
-[[deprecated("Use the overload that takes an optional output_size parameter.")]]
-std::pair<std::unique_ptr<rmm::device_uvector<size_type>>,
-          std::unique_ptr<rmm::device_uvector<size_type>>>
-filter_join_indices(cudf::table_view const& left,
-                    cudf::table_view const& right,
-                    cudf::device_span<size_type const> left_indices,
-                    cudf::device_span<size_type const> right_indices,
-                    cudf::ast::expression const& predicate,
-                    cudf::join_kind join_kind,
-                    rmm::cuda_stream_view stream,
-                    rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
-
 /**
  * @brief Returns the exact output size of `filter_join_indices` without materializing
  *        the filtered index vectors.

cpp/include/cudf/join/key_remapping.hpp

@@ -58,14 +58,6 @@ constexpr size_type KEY_REMAP_NOT_FOUND = -1;
  */
 constexpr size_type KEY_REMAP_RIGHT_NULL = -2;
 
-/**
- * @brief Deprecated alias for `KEY_REMAP_RIGHT_NULL`.
- *
- * @deprecated Use `KEY_REMAP_RIGHT_NULL` instead.
- */
-[[deprecated("Use KEY_REMAP_RIGHT_NULL instead.")]] constexpr size_type KEY_REMAP_BUILD_NULL =
-  KEY_REMAP_RIGHT_NULL;
-
 /**
  * @brief Remaps keys to unique integer IDs
  *
@@ -132,24 +124,6 @@ class key_remapping {
     rmm::cuda_stream_view stream      = cudf::get_default_stream(),
     rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref()) const;
 
-  /**
-   * @brief Deprecated alias for `remap_right_keys()`.
-   *
-   * @deprecated Use `remap_right_keys()` instead.
-   *
-   * @param stream CUDA stream used for device memory operations and kernel launches
-   * @param mr Device memory resource used to allocate device memory for the returned column
-   *
-   * @return A column of INT32 values with the remapped key IDs
-   */
-  [[deprecated("Use remap_right_keys instead.")]] [[nodiscard]] std::unique_ptr<cudf::column>
-  remap_build_keys(
-    rmm::cuda_stream_view stream      = cudf::get_default_stream(),
-    rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref()) const
-  {
-    return remap_right_keys(stream, mr);
-  }
-
   /**
    * @brief Remap left keys to integer IDs.
    *
@@ -172,26 +146,6 @@ class key_remapping {
     rmm::cuda_stream_view stream      = cudf::get_default_stream(),
     rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref()) const;
 
-  /**
-   * @brief Deprecated alias for `remap_left_keys()`.
-   *
-   * @deprecated Use `remap_left_keys()` instead.
-   *
-   * @param keys The left keys to remap (must have same schema as the right table)
-   * @param stream CUDA stream used for device memory operations and kernel launches
-   * @param mr Device memory resource used to allocate device memory for the returned column
-   *
-   * @return A column of INT32 values with the remapped key IDs
-   */
-  [[deprecated("Use remap_left_keys instead.")]] [[nodiscard]] std::unique_ptr<cudf::column>
-  remap_probe_keys(
-    cudf::table_view const& keys,
-    rmm::cuda_stream_view stream      = cudf::get_default_stream(),
-    rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref()) const
-  {
-    return remap_left_keys(keys, stream, mr);
-  }
-
   /**
    * @brief Check if metrics (distinct_count, max_duplicate_count) were computed.
    *

cpp/src/join/filter_join_indices/filter_join_indices.cu

@@ -480,22 +480,6 @@ filter_join_indices(cudf::table_view const& left,
     left, right, left_indices, right_indices, predicate, join_kind, output_size, stream, mr);
 }
 
-std::pair<std::unique_ptr<rmm::device_uvector<size_type>>,
-          std::unique_ptr<rmm::device_uvector<size_type>>>
-filter_join_indices(cudf::table_view const& left,
-                    cudf::table_view const& right,
-                    cudf::device_span<size_type const> left_indices,
-                    cudf::device_span<size_type const> right_indices,
-                    ast::expression const& predicate,
-                    cudf::join_kind join_kind,
-                    rmm::cuda_stream_view stream,
-                    rmm::device_async_resource_ref mr)
-{
-  CUDF_FUNC_RANGE();
-  return detail::filter_join_indices(
-    left, right, left_indices, right_indices, predicate, join_kind, std::nullopt, stream, mr);
-}
-
 std::pair<std::size_t, std::unique_ptr<rmm::device_uvector<size_type>>>
 filter_join_indices_output_size(cudf::table_view const& left,
                                 cudf::table_view const& right,