Merge pull request #2002 from elementary-data/app-60-fix-group-by-in-clickhouse

Handle empty result in clickhouse

Author: ofek1weiss

elementary/monitor/dbt_project/macros/get_result_rows_agate.sql

@@ -9,5 +9,9 @@
     and elementary_test_results_id in ({{ valid_ids_query }})
   {% endif %}
   {% endset %}
-  {% do return(elementary.run_query(query).group_by("elementary_test_results_id")) %}
+  {% set res = elementary.run_query(query) %}
+  {% if not res %}
+    {% do return({}) %}
+  {% endif %}
+  {% do return(res.group_by("elementary_test_results_id")) %}
 {% endmacro %}