bkietz commented on a change in pull request #10397:
URL: https://github.com/apache/arrow/pull/10397#discussion_r643447263
##########
File path: cpp/src/arrow/compute/exec/expression.cc
##########
@@ -510,7 +475,67 @@ Result<Expression> Expression::Bind(const Schema&
in_schema,
return Bind(ValueDescr::Array(struct_(in_schema.fields())), exec_context);
}
-Result<Datum> ExecuteScalarExpression(const Expression& expr, const Datum&
input,
+Result<ExecBatch> MakeExecBatch(const Schema& full_schema, const Datum&
partial) {
+ ExecBatch out;
+
+ if (partial.kind() == Datum::RECORD_BATCH) {
+ const auto& partial_batch = *partial.record_batch();
+ out.length = partial_batch.num_rows();
+
+ for (const auto& field : full_schema.fields()) {
+ ARROW_ASSIGN_OR_RAISE(auto column,
+
FieldRef(field->name()).GetOneOrNone(partial_batch));
Review comment:
It will
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