SNOW-980046 Make QueryStatus thread safe #1571
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Overview
SNOW-980046
QueryStatus was an enum, but it also had a state (error description and code). When one query status set one of these fields, it reflected on all places where the same query status was used.
The solution replaces QueryStatus enum with class. This class creates instances for each call and on the same time - it keeps backward compatibility from compilation and equality perspective.