Lars Hofhansl created PHOENIX-3195:
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Summary: Slight safety improvement for using DistinctPrefixFilter
Key: PHOENIX-3195
URL: https://issues.apache.org/jira/browse/PHOENIX-3195
Project: Phoenix
Issue Type: Sub-task
Reporter: Lars Hofhansl
Priority: Minor
There is a very slight improvement to when we should use the
DistinctPrefixFilter in its current form.
Currently we check for the absence of WhereConditions, but what we really mean
to make sure that only one Cell per row is seen. Phoenix already does that and
used the FirstKeyOnlyFilter in that case. It's best to use this condition as
well, just to be absolutely safe.
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