Removed dummy "No matching concept" option in filters for Cost & Util…

… reports (#556)

src/main/resources/resources/cohortresults/sql/healthcareutilization/getDrugTypes.sql

@@ -1,5 +1,5 @@
 select distinct concept_id, concept_name
 from @results_schema.heracles_results
-join @vocabulary_schema.concept on concept_id = cast((CASE WHEN stratum_3 <> '' THEN stratum_3 ELSE '0' END) as INTEGER)
+join @vocabulary_schema.concept on concept_id = cast(stratum_3 as INTEGER)
 where analysis_id in (@analysis_id_list) and cohort_definition_id = @cohort_definition_id and (stratum_2 = CAST(@drug_concept_id AS VARCHAR(255)) or CAST(@drug_concept_id AS VARCHAR(255)) is null)
-;
+and stratum_3 <> '';

src/main/resources/resources/cohortresults/sql/healthcareutilization/getVisitConceptsForAnalysis.sql

@@ -1,4 +1,4 @@
 select distinct concept_id, concept_name
 from @results_schema.heracles_results_dist
-join @vocabulary_schema.concept on concept_id = cast((CASE WHEN stratum_2 <> '' THEN stratum_2 ELSE '0' END) as INTEGER)
-where analysis_id = @analysis_id and cohort_definition_id = @cohort_definition_id
+join @vocabulary_schema.concept on concept_id = cast(stratum_2 as INTEGER)
+where analysis_id = @analysis_id and cohort_definition_id = @cohort_definition_id and stratum_2 <> ''

src/main/resources/resources/cohortresults/sql/healthcareutilization/getVisitTypeConceptsForAnalysis.sql

@@ -1,4 +1,4 @@
 select distinct concept_id, concept_name
 from @results_schema.heracles_results_dist
-join @vocabulary_schema.concept on concept_id = cast((CASE WHEN stratum_3 <> '' THEN stratum_3 ELSE '0' END) as INTEGER)
-where analysis_id = @analysis_id and cohort_definition_id = @cohort_definition_id
+join @vocabulary_schema.concept on concept_id = cast(stratum_3 as INTEGER)
+where analysis_id = @analysis_id and cohort_definition_id = @cohort_definition_id and stratum_3 <> ''