CurtHagenlocher commented on code in PR #46190:
URL: https://github.com/apache/arrow/pull/46190#discussion_r2101569618
##########
csharp/src/Apache.Arrow/Ipc/ICompressionCodec.cs:
##########
@@ -44,5 +44,21 @@ void Compress(ReadOnlyMemory<byte> source, Stream
destination)
#else
;
#endif
+
+ /// <summary>
+ /// try to write compressed data to span
+ /// </summary>
+ /// <param name="source">The data to compress</param>
+ /// <param name="destination">Span to write compressed data to</param>
+ /// <param name="bytesWritten">The number of bytes written to the
destination</param>
+ /// <returns>true if compressed was successful, false if the
destination buffer is too small</returns>
+ bool TryCompress(ReadOnlyMemory<byte> source, Memory<byte>
destination, out int bytesWritten)
+#if NET6_0_OR_GREATER
+ {
+ throw new NotImplementedException("This codec does not support
compression");
Review Comment:
The problem is that default interface implementations aren't supported on
downlevel .NET. I think the only way to make this not be a breaking change is
to have a new interface and check dynamically for the capability at runtime (at
least for Desktop framework).
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