marsupialtail commented on code in PR #13830:
URL: https://github.com/apache/arrow/pull/13830#discussion_r945392664
##########
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:
I think my idea is to have some state in the file fragment class that can be
interpreted differently depending on the actual file fragment format. Other
people might have different thoughts?
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