lidavidm commented on code in PR #49897:
URL: https://github.com/apache/arrow/pull/49897#discussion_r3166537395
##########
cpp/src/arrow/io/interfaces.h:
##########
@@ -279,24 +280,56 @@ class ARROW_EXPORT RandomAccessFile : public InputStream,
public Seekable {
///
/// \param[in] position Where to read bytes from
/// \param[in] nbytes The number of bytes to read
+ /// \param[in] allow_short_read Whether to allow reading less than `nbytes`
+ /// \param[out] out The buffer to read bytes into
+ /// \return The number of bytes read, or an error
+ virtual Result<int64_t> ReadAt(int64_t position, int64_t nbytes, bool
allow_short_read,
+ void* out);
+
+ /// \brief Read data from given file position.
+ ///
+ /// Like `ReadAt(position, nbytes, allow_short_read, out)` with
`allow_short_read`
+ /// set to true.
Review Comment:
Ah sorry I missed your comment above. Yes, I agree, we should do that in a
later PR.
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