felipecrv commented on code in PR #15083:
URL: https://github.com/apache/arrow/pull/15083#discussion_r1087804475
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cpp/src/arrow/compute/exec.h:
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@@ -174,7 +175,10 @@ struct ARROW_EXPORT ExecBatch {
explicit ExecBatch(const RecordBatch& batch);
- static Result<ExecBatch> Make(std::vector<Datum> values);
+ /// \brief Infer the ExecBatch length from values.
+ static Result<int64_t> InferLength(const std::vector<Datum>& values);
Review Comment:
This would be the docs for the internal (.cc-only) `DoInferLength`, this one
returns `Status` (wrapped in `Result`) for errors. I will rebase to fix
conflicts and add these docs to `DoInferLength` instead.
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