Karan Mehta created PHOENIX-4954:
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Summary: RowCounter logic for DefaultStatisticsCollector is
incorrect for tables with multiple CF
Key: PHOENIX-4954
URL: https://issues.apache.org/jira/browse/PHOENIX-4954
Project: Phoenix
Issue Type: Bug
Reporter: Karan Mehta
{{DefaultStatisticsCollector#collectStatistics()}} method increments a counter
to keep track of unique rows that has been read. However, currently we
increment the counter twice for a table with two column families. Since the row
key remains same across CF's, the counter should be incremented once only.
{{famMap}} is the local variable to keep track of CF's seen so far across all
cells from the result.
The relevant piece of code is:
{code:java}
if (famMap.get(cfKey) == null) {
famMap.put(cfKey, true);
gps.getSecond().incrementRowCount();
} {code}
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