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https://issues.apache.org/jira/browse/AVRO-1199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13493314#comment-13493314
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Doug Cutting commented on AVRO-1199:
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Yes, this looks like a bug that we should fix.
A simpler way to fix it might be to change this to:
mPreviousKey = GenericData.get().deepCopy(mKeySchema, key);
Would you like to prepare a patch for this?
https://cwiki.apache.org/AVRO/how-to-contribute.html
> SortedKeyValueFile$Writer.append method have a puzzle for the sorted key
> ------------------------------------------------------------------------
>
> Key: AVRO-1199
> URL: https://issues.apache.org/jira/browse/AVRO-1199
> Project: Avro
> Issue Type: Bug
> Components: java
> Affects Versions: 1.7.3
> Reporter: Libing Sun
> Labels: patch
>
> At the SortedKeyValueFile.java 539 lines like next:
> mPreviousKey = key;
> This class is same as Hadoop's MapFile, at the MapFile the same methon will
> keep a copy for this key, but not use "=".
> If use "=" at here, when user append a reuse key object to this file. will
> cause key sorted not valid.
> I think next code will fix it:
> private DataInputBuffer inBuf = new DataInputBuffer();
> private DataOutputBuffer outBuf = new DataOutputBuffer();
> GenericDatumWriter<K> writer = new ReflectDatumWriter<K>(schema);
> GenericDatumReader<K> reader = new ReflectDatumReader<K>(schema);
> writer.write(key, encoder);
> inBuf.reset(outBuf.getData(), outBuf.getLength());
> BinaryDecoder decoder = DecoderFactory.get().directBinaryDecoder(inBuf,
> null);
> lastKey = reader.read(null, decoder);
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