unleash-server/dist/migrations/20230222154915-create-notiications-table.js

Unleash is an enterprise ready feature flag service. It provides different strategies for handling feature flags.

'use strict';
exports.up = function (db, cb) {
    db.runSql(`
            CREATE TABLE IF NOT EXISTS notifications (
                 id SERIAL PRIMARY KEY,
                 event_id INTEGER NOT NULL REFERENCES  events (id) ON DELETE CASCADE,
                 created_by INTEGER NOT NULL REFERENCES  users (id) ON DELETE CASCADE,
                 created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT now()
            );

            CREATE TABLE if not exists user_notifications
            (
                notification_id INTEGER NOT NULL REFERENCES notifications (id) ON DELETE CASCADE,
                user_id         INTEGER NOT NULL REFERENCES  users (id) ON DELETE CASCADE,
                read_at         TIMESTAMP WITH TIME ZONE,
                PRIMARY KEY (notification_id, user_id)
            );
        `, cb);
};
exports.down = function (db, cb) {
    db.runSql(`
        DROP TABLE IF EXISTS user_notifications;
        DROP TABLE IF EXISTS notifications;
        `, cb);
};
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