[GitHub] [arrow] wgtmac commented on a diff in pull request #35462: GH-35461: [C++] Add function Seek to BufferOutputStream

["wgtmac (via GitHub)" <gi...@apache.org>]

wgtmac commented on code in PR #35462:
URL: https://github.com/apache/arrow/pull/35462#discussion_r1186959238


##########
cpp/src/arrow/io/memory.cc:
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@@ -110,6 +110,21 @@ Status BufferOutputStream::Write(const void* data, int64_t nbytes) {
   return Status::OK();
 }
 
+Status BufferOutputStream::Seek(int64_t position) {

Review Comment:
   I'd prefer creating a separate class for the seekable output stream as its semantics is append-only and downstream applications are using it with that assumption.



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