Enable diesel_initial_setup

backend/migrations/diesel_initial_setup/up.sql

@@ -1,18 +1,18 @@
--- CREATE OR REPLACE FUNCTION diesel_manage_updated_at(_tbl regclass) RETURNS VOID AS $$
--- BEGIN
---     EXECUTE format('CREATE TRIGGER set_updated_at BEFORE UPDATE ON %s
---                     FOR EACH ROW EXECUTE PROCEDURE diesel_set_updated_at()', _tbl);
--- END;
--- $$ LANGUAGE plpgsql;
+CREATE OR REPLACE FUNCTION diesel_manage_updated_at(_tbl regclass) RETURNS VOID AS $$
+BEGIN
+    EXECUTE format('CREATE TRIGGER set_updated_at BEFORE UPDATE ON %s
+                    FOR EACH ROW EXECUTE PROCEDURE diesel_set_updated_at()', _tbl);
+END;
+$$ LANGUAGE plpgsql;
 
--- CREATE OR REPLACE FUNCTION diesel_set_updated_at() RETURNS trigger AS $$
--- BEGIN
---     IF (
---         NEW IS DISTINCT FROM OLD AND
---         NEW.updated_at IS NOT DISTINCT FROM OLD.updated_at
---     ) THEN
---         NEW.updated_at := current_timestamp;
---     END IF;
---     RETURN NEW;
--- END;
--- $$ LANGUAGE plpgsql;
+CREATE OR REPLACE FUNCTION diesel_set_updated_at() RETURNS trigger AS $$
+BEGIN
+    IF (
+        NEW IS DISTINCT FROM OLD AND
+        NEW.updated_at IS NOT DISTINCT FROM OLD.updated_at
+    ) THEN
+        NEW.updated_at := current_timestamp;
+    END IF;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;