FIX #15842 repush

sql/retrieveSignator.sql

+CREATE TYPE emp as
+(
+    user_migrated int,
+    detected_line int
+);
+
+create or replace function update_listinstance_delegate() returns emp AS $BODY$
+DECLARE 
+    rec record;
+    id_user int;
+    i int;
+    a int;
+    nb_user int;
+    contenu varchar;
+    nom varchar;
+    prenom varchar;
+begin
+    a = 0;
+    i = 0;
+    create temp table x as select listinstance_id,btrim(split_part(ltrim(process_comment,'Action de:'),'--',1),' ')as col from listinstance where process_comment ilike 'Action de%';
+    update x set col = btrim(substr(col,14),' ') where col ilike '%Action de%';
+    FOR rec in SELECT listinstance_id,col from x
+    loop
+        a = a + 1;
+        select split_part(rec.col,' ',2), split_part(rec.col,' ',1) into nom,prenom from x;
+        if nom = '' or prenom = '' then
+            raise INFO 'LAKE OF INFORMATION FOR listinstance_id : %',rec.listinstance_id ;
+            continue;
+        end if;
+        select count(user_id) into nb_user from users where lastname = nom and firstname = prenom;
+        if nb_user > 1 then
+            raise DEBUG 'USER % % WAS DOUBLE CHECKED',nom, prenom using HINT = '--> MANUAL ACTION NEEDED FOR listinstance_id : %' || rec.listinstance_id;
+            continue;
+        end if;
+        select user_id into id_user from users where lastname = nom and firstname = prenom;
+        if id_user isnull then
+            raise WARNING 'USER % % NOT FOUND listinstance_id : %',nom, prenom,rec.listinstance_id;
+            continue;
+        end if;
+        --raise notice 'user id : %' , id_user;
+        i = i + 1;
+        update listinstance set delegate = id_user where listinstance_id = rec.listinstance_id;
+    END LOOP;
+    return (i,a);
+END;
+$BODY$ LANGUAGE plpgsql;