SQL: use hasValue() methods from Elasticsearch's InspectionHelper classes #44745
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if the aggregations should return null (in case there is no value) or the value itself.
…o agg_hasValue_update
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astefan
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Jul 24, 2019
Use InspectionHelper classes to decide if the aggregations should return null (in case there is no value) or the value itself. (cherry picked from commit dafd7b0)
This was referenced Dec 10, 2019
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This is part of #35745.
Until #36020 was merged, we were deciding based on the internals of various aggregation classes if a certain aggregation worked on some documents and came up with an aggregated value or there were no documents to act on. This is relevant to SQL in order to return
nullor that specific value.This PR updates ES SQL's usage of the aggregation classes by using their own logic to decide if it should return
nullor not.