westonpace commented on a change in pull request #12560:
URL: https://github.com/apache/arrow/pull/12560#discussion_r819804898
##########
File path: cpp/src/arrow/dataset/scanner.cc
##########
@@ -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:
Ah, the first test case in `TestScanner, ProjectionDefaults` would be
the place for it.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
