972 created needed indexes

scripts/database/pg/migrations/021.do.add-indexes.sql

@@ -0,0 +1,14 @@
+DO $$
+ BEGIN
+ BEGIN
+ CREATE INDEX users_lower_email ON sys_user(lower(email));
+ EXCEPTION WHEN OTHERS THEN
+ RAISE NOTICE 'problem creating index users_lower_email in sys_user.';
+ END;
+ BEGIN
+ CREATE INDEX users_username ON sys_user(username);
+ EXCEPTION WHEN OTHERS THEN
+ RAISE NOTICE 'problem creating index users_username in sys_user.';
+ END;
+ END;
+$$