[hbase] Implement "ALTER TABLE ... CHANGE column" operation
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Key: HADOOP-2395
URL: https://issues.apache.org/jira/browse/HADOOP-2395
Project: Hadoop
Issue Type: Improvement
Components: contrib/hbase
Reporter: Bryan Duxbury
Right now, you can add or delete column families, but not change them once they
are created. This is really inconvenient for things like adding compression or
bloom filters to a column family once you get going. As new people come to
HBase, they're going to make schema decisions that are incorrect and will need
a way to modify their tables, so this is an important new feature.
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