skip is_in items already in address vector

sql/functions.sql

@@ -1699,6 +1699,7 @@ BEGIN
     IF array_upper(isin_tokens, 1) IS NOT NULL THEN
       FOR i IN 1..array_upper(isin_tokens, 1) LOOP
 --RAISE WARNING '  getNearestNamedFeature: % % % %',NEW.partition, place_centroid, search_maxrank, isin_tokens[i];
+        IF NOT ARRAY[isin_tokens[i]] <@ nameaddress_vector THEN
 
           FOR location IN SELECT * from getNearestNamedFeature(NEW.partition, place_centroid, search_maxrank, isin_tokens[i]) LOOP
 
@@ -1715,6 +1716,8 @@ BEGIN
 
           END LOOP;
 
+        END IF;
+
       END LOOP;
     END IF;