Alex Baranau created HBASE-6618:
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Summary: Implement FuzzyRowFilter with ranges support
Key: HBASE-6618
URL: https://issues.apache.org/jira/browse/HBASE-6618
Project: HBase
Issue Type: New Feature
Components: filters
Reporter: Alex Baranau
Priority: Minor
Apart from current ability to specify fuzzy row filter e.g. for
<userId_actionId> format as ????_0004 (where 0004 - actionId) it would be great
to also have ability to specify the "fuzzy range" , e.g. ????_0004, ...,
????_0099.
See initial discussion here: http://search-hadoop.com/m/WVLJdX0Z65
Note: currently it is possible to provide multiple fuzzy row rules to existing
FuzzyRowFilter, but in case when the range is big (contains thousands of
values) it is not efficient.
Filter should perform efficient fast-forwarding during the scan (this is what
distinguishes it from regex row filter).
While such functionality may seem like a proper fit for custom filter (i.e. not
including into standard filter set) it looks like the filter may be very
re-useable. We may judge based on the implementation that will hopefully be
added.
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