Sylvain Lebresne created CASSANDRA-8609:
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Summary: Remove depency of hadoop to internals (Cell/CellName)
Key: CASSANDRA-8609
URL: https://issues.apache.org/jira/browse/CASSANDRA-8609
Project: Cassandra
Issue Type: Bug
Reporter: Sylvain Lebresne
Fix For: 3.0
For some reason most of the Hadoop code (ColumnFamilyRecordReader, CqlStorage,
...) uses the {{Cell}} and {{CellName}} classes. That dependency is entirely
artificial: all this code is really client code that communicate with Cassandra
over thrift/native protocol and there is thus no reason for it to use internal
classes. And in fact, thoses classes are used in a very crude way, as a
{{Pair<ByteBuffer, ByteBuffer>}} really.
But this dependency is really painful when we make changes to the internals.
Further, every time we do so, I believe we break some of those the APIs due to
the change. This has been painful for CASSANDRA-5417 and this is now painful
for CASSANDRA-8099. But while I somewhat hack over it in CASSANDRA-5417, this
was a mistake and we should have removed the depency back then. So let do that
now.
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