[jira] [Created] (HBASE-13346) Clean up Filter package for post 1.0

["Lars George (JIRA)" <ji...@apache.org>]

Lars George created HBASE-13346:
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             Summary: Clean up Filter package for post 1.0
                 Key: HBASE-13346
                 URL: https://issues.apache.org/jira/browse/HBASE-13346
             Project: HBase
          Issue Type: Bug
          Components: API, Filters
    Affects Versions: 2.0.0
            Reporter: Lars George
             Fix For: 2.0.0


Since we have a bit of a messy Filter API with KeyValue vs Cell reference mixed up all over the place, I recommend cleaning this up once and for all. There should be no {{KeyValue}} (or {{kv}}, {{kvs}} etc.) in any method or parameter name.

This includes deprecating and renaming filters too, for example {{FirstKeyOnlyFilter}}, which really should be named {{FirstKeyValueFilter}} as it does _not_ just return the key, but the entire cell. It should be deprecated and renamed to {{FirstCellFilter}} (or {{FirstColumnFilter}} if you prefer).

In general we should clarify and settle on {{KeyValue}} vs {{Cell}} vs {{Column}} in our naming. The latter two are the only ones going forward with the public API, and are used synonymous. We should carefully check which is better suited (is it really a specific cell, or the newest cell, aka the newest column value) and settle on a naming schema.



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