exports.up = async knex => {
    await knex.schema.createTable('mtx', table => {
        table.uuid('id')
            .primary();

        table.uuid('account')
            .notNullable()
            .index();

        table.foreign('account')
            .references('id')
            .inTable('accounts')
            .onDelete('RESTRICT');

        table.string('variant')
            .notNullable()
            .index();

        table.timestamps(true, true);
    });
};

exports.down = async () => {};