Samarth Jain created PHOENIX-3605:
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Summary: Delete data for a column dropped from encoded immutable
table
Key: PHOENIX-3605
URL: https://issues.apache.org/jira/browse/PHOENIX-3605
Project: Phoenix
Issue Type: Task
Reporter: Samarth Jain
As part of PHOENIX-3604, when a column is dropped from an encoded immutable
table, we only mark the column as dropped in metadata. This way while we
disallow access to the column through phoenix queries, the data is still around
if someone accesses it directly via hbase. To truly drop the data, we would
need to rewrite the packed encoded cell. We can do this during major compaction
where we can replace the contents of a dropped column with null.
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