mapleFU commented on code in PR #37460:
URL: https://github.com/apache/arrow/pull/37460#discussion_r1310238387
##########
cpp/src/arrow/io/buffered.cc:
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@@ -373,33 +378,35 @@ class BufferedInputStream::Impl : public BufferedBase {
return Status::Invalid("Bytes to read must be positive. Received:",
nbytes);
}
- if (nbytes < buffer_size_) {
- // Pre-buffer for small reads
- RETURN_NOT_OK(BufferIfNeeded());
+ // 1. First consume pre-buffered data.
Review Comment:
Oh, the `(1)` and `(2.2)` gurantees that, but I forgot to check it in `2.1`.
Will fix this
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