Edit create migrations

weather-service/migrations/diesel_initial_setup/down.sql

@@ -1,2 +0,0 @@
-DROP FUNCTION IF EXISTS diesel_manage_updated_at(_tbl regclass);
-DROP FUNCTION IF EXISTS diesel_set_updated_at();

weather-service/migrations/diesel_initial_setup/up.sql

@@ -1,18 +0,0 @@
-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;