marsupialtail commented on code in PR #13830:
URL: https://github.com/apache/arrow/pull/13830#discussion_r944071247
##########
cpp/src/arrow/dataset/file_base.cc:
##########
@@ -89,6 +89,28 @@ Result<std::shared_ptr<io::InputStream>>
FileSource::OpenCompressed(
return io::CompressedInputStream::Make(codec.get(), std::move(file));
}
+Result<std::shared_ptr<io::InputStream>> FileSource::OpenRange(int64_t start,
+ int64_t end)
const {
Review Comment:
The implementation behind the interface should be changeable depending on
the file format. This draft PR is more of a proposal for how the interface for
specifying these options should be. I think it should also work for your
parquet use case. Maybe not?
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