[GitHub] [arrow] icexelloss commented on a diff in pull request #36253: GH-36252: [Python] Compute hash aggregate udf

["icexelloss (via GitHub)" <gi...@apache.org>]

icexelloss commented on code in PR #36253:
URL: https://github.com/apache/arrow/pull/36253#discussion_r1238893501


##########
cpp/src/arrow/compute/row/grouper.h:
##########
@@ -149,8 +149,7 @@ class ARROW_EXPORT Grouper {
   ///       []
   ///   ]
   static Result<std::shared_ptr<ListArray>> MakeGroupings(
-      const UInt32Array& ids, uint32_t num_groups,
-      ExecContext* ctx = default_exec_context());
+      const UInt32Array& ids, uint32_t, ExecContext* ctx = default_exec_context());

Review Comment:
   Revert this change - accidental



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