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googleapis · Aug 7, 2024 · 4319ac7 · 4319ac7
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commit 4319ac7
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diff --git a/google/cloud/datastore/aggregation.py b/google/cloud/datastore/aggregation.py
@@ -525,6 +525,7 @@ def explain_metrics(self) -> ExplainMetrics:
             raise QueryExplainError("explain_options not set on query.")
         elif self._aggregation_query._explain_options.analyze is False:
             # we need to run the query to get the explain_metrics
+            # analyze=False only returns explain_metrics, no results
             self._next_page()
             if self._explain_metrics is not None:
                 return self._explain_metrics

diff --git a/google/cloud/datastore/query.py b/google/cloud/datastore/query.py
@@ -869,6 +869,7 @@ def explain_metrics(self) -> ExplainMetrics:
             raise QueryExplainError("explain_options not set on query.")
         elif self._query._explain_options.analyze is False:
             # we need to run the query to get the explain_metrics
+            # analyze=False only returns explain_metrics, no results
             self._next_page()
             if self._explain_metrics is not None:
                 return self._explain_metrics