Fix incorrect rowCount value when using groupBy with fetchPage#1852
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ricardograca
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Introduction
Fixes incorrect
rowCountvalue when using agroupBystatement with the pagination plugin'sfetchPage()method.Motivation
There was already a previous PR, linked above, but its author didn't seem interested in adding the required tests.
Proposed solution
This is a simpler solution than the one in the previous PR, since it doesn't try to make a different type of query to get the total count, which would require additional processing. This just changes the column names that are passed to the existing
countDistinctquery.Closes #1827, fixes #1489.