Add find_opinions.sql

src/main/resources/sql/functions/opinion/find_opinions.sql

@@ -0,0 +1,19 @@
+create or replace function find_opinions(out resource json)
+    language plpgsql as
+$$
+begin
+    select json_agg(t)
+    into resource
+    from (
+        select ol.*
+        from opinion_list ol
+        where ol.deleted_at <= now()
+           or ol.deleted_at is null
+        order by ol.name
+    ) t;
+end;
+$$;
+
+-- drop function if exists find_opinions();
+
+-- select find_opinions();