diff --git a/scripts/db/postgresql/schema.sql b/scripts/db/postgresql/schema.sql
index 0ac9ffe..11cffa4 100644
--- a/scripts/db/postgresql/schema.sql
+++ b/scripts/db/postgresql/schema.sql
@@ -14,3 +14,22 @@ role_list user_role[] not null default ARRAY['USER'::user_role],
 user_data jsonb
 );
 
+create table maps(
+id bigserial primary key,
+name text not null,
+description text,
+owner integer not null references users(id),
+createts timestamptz not null default now(),
+updatets timestamptz not null default now(),
+map_data jsonb
+);
+
+create or replace function update_ts_tg() returns trigger as $$
+begin
+new.updatets:=now();
+return new;
+end;
+$$
+language plpgsql;
+create trigger  tg_update_ts before update on users for each row execute procedure update_ts_tg();
+create trigger  tg_update_ts before update on maps for each row execute procedure update_ts_tg();