add automatic created_at and updated_at fields to schema

This commit is contained in:
dragonmuffin 2024-08-16 16:26:04 +05:00
parent 6488f597fd
commit 203db370e0

View file

@ -13,18 +13,6 @@ CREATE TABLE IF NOT EXISTS languages
); );
CREATE FUNCTION lng_upd_trg_fn() RETURNS TRIGGER
LANGUAGE plpgsql AS
$$
BEGIN
NEW.updated_at = NOW();
RETURN NEW;
END;
$$;
CREATE TRIGGER lng_upd_trg BEFORE UPDATE ON languages FOR EACH ROW EXECUTE FUNCTION lng_upd_trg_fn();
CREATE TABLE IF NOT EXISTS problems CREATE TABLE IF NOT EXISTS problems
@ -34,6 +22,8 @@ CREATE TABLE IF NOT EXISTS problems
description TEXT NOT NULL, description TEXT NOT NULL,
time_limit INT NOT NULL, time_limit INT NOT NULL,
memory_limit INT NOT NULL, memory_limit INT NOT NULL,
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
PRIMARY KEY(id) PRIMARY KEY(id)
); );
@ -47,6 +37,8 @@ CREATE TABLE IF NOT EXISTS contests
( (
id serial NOT NULL, id serial NOT NULL,
name VARCHAR(300) NOT NULL, name VARCHAR(300) NOT NULL,
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
PRIMARY KEY(id) PRIMARY KEY(id)
); );
@ -226,11 +218,26 @@ END; $$ LANGUAGE plpgsql;
CREATE TRIGGER new_subtask_trg AFTER INSERT ON subtasks FOR EACH ROW EXECUTE FUNCTION on_new_subtask(); CREATE TRIGGER new_subtask_trg AFTER INSERT ON subtasks FOR EACH ROW EXECUTE FUNCTION on_new_subtask();
CREATE FUNCTION updated_at_update() RETURNS TRIGGER
LANGUAGE plpgsql AS
$$
BEGIN
NEW.updated_at = NOW();
RETURN NEW;
END;
$$;
CREATE TRIGGER languages_upd_trg BEFORE UPDATE ON languages FOR EACH ROW EXECUTE FUNCTION updated_at_update();
CREATE TRIGGER problems_upd_trg BEFORE UPDATE ON problems FOR EACH ROW EXECUTE FUNCTION updated_at_update();
CREATE TRIGGER contests_upd_trg BEFORE UPDATE ON contests FOR EACH ROW EXECUTE FUNCTION updated_at_update();
-- +goose StatementEnd -- +goose StatementEnd
-- +goose Down -- +goose Down
-- +goose StatementBegin -- +goose StatementBegin
DROP FUNCTION IF EXISTS lng_upd_trg_fn CASCADE; DROP FUNCTION IF EXISTS updated_at_update CASCADE;
DROP FUNCTION IF EXISTS on_new_participant CASCADE; DROP FUNCTION IF EXISTS on_new_participant CASCADE;
DROP FUNCTION IF EXISTS on_new_task CASCADE; DROP FUNCTION IF EXISTS on_new_task CASCADE;
DROP FUNCTION IF EXISTS on_new_subtask CASCADE; DROP FUNCTION IF EXISTS on_new_subtask CASCADE;