Jacek Lewandowski created CASSANDRA-18961:
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Summary: Record commit timestamp - fix data loss when dropping and
recreating a column
Key: CASSANDRA-18961
URL: https://issues.apache.org/jira/browse/CASSANDRA-18961
Project: Cassandra
Issue Type: Bug
Reporter: Jacek Lewandowski
Drop column transformation is replayed with the current timestamp so the column
appears to be dropped when the node starts regardless of its real drop time.
As a solution to this problem I propose recording the timestamp of the
transformation, guaranteeing that it is always greater than a timestamp of any
previously committed transformation. Such timestamp is passed to the execute
method of the transformation so that the transformation code can make use of
it, increasing its "purity".
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