sanjibansg commented on a change in pull request #12560:
URL: https://github.com/apache/arrow/pull/12560#discussion_r819731910
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File path: cpp/src/arrow/dataset/scanner.cc
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@@ -708,8 +709,12 @@ Result<ProjectionDescr>
ProjectionDescr::FromNames(std::vector<std::string> name
for (size_t i = 0; i < exprs.size(); ++i) {
exprs[i] = compute::field_ref(names[i]);
}
+ auto fields = dataset_schema.fields();
+ for (const auto& aug_field : kAugmentedFields) {
+ fields.push_back(aug_field);
+ }
return ProjectionDescr::FromExpressions(std::move(exprs), std::move(names),
- dataset_schema);
+ Schema(fields));
Review comment:
We can then have a Python test to check if the correct filename exist in
the column.
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