unleash.unleash/migrations/20200429175747-users-settings.js

'use strict';

exports.up = function(db, callback) {
    db.runSql(
        `
        ALTER TABLE users ADD "settings" json;
        ALTER TABLE users ADD "permissions" json;
        ALTER TABLE users ALTER COLUMN "permissions" SET DEFAULT '[]';
        ALTER TABLE users DROP COLUMN "system_id";
    `,
        callback,
    );
};

exports.down = function(db, callback) {
    db.runSql(
        `
      ALTER TABLE users DROP COLUMN "settings";
      ALTER TABLE users DROP COLUMN "permissions";
      ALTER TABLE users ADD COLUMN "system_id" VARCHAR;
    `,
        callback,
    );
};