Manuel Godbert created AVRO-1529:
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Summary: ConcatTool issue with empty files
Key: AVRO-1529
URL: https://issues.apache.org/jira/browse/AVRO-1529
Project: Avro
Issue Type: Bug
Components: java
Affects Versions: 1.7.6
Reporter: Manuel Godbert
I am using the ConcatTool to merge 2 avro files. The first one is empty, the
second one has records. The merged file is seen as empty when I am opening it.
My investigations showed the cause is that DataFileWriter.appendAllFrom(...)
copies blocks from source to target even if they are empty, and
DataFileReader.hasNext() returns false if the first block of an avro file is
empty.
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