screwdriver-data-schema/migrations/20210122-add_column_latestVersion_to_templates.js

Internal Data Schema of Screwdriver

/* eslint-disable new-cap */

'use strict';

const prefix = process.env.DATASTORE_SEQUELIZE_PREFIX || '';
const table = `${prefix}templates`;

module.exports = {
    up: async (queryInterface, Sequelize) => {
        await queryInterface.sequelize.transaction(async transaction => {
            await queryInterface.addColumn(
                table,
                'latest',
                {
                    type: Sequelize.BOOLEAN
                },
                { transaction }
            );

            const dialect = queryInterface.sequelize.getDialect();
            // eslint-disable-next-line max-len
            let query = `UPDATE ${table} SET latest = true WHERE id in (SELECT max(id) FROM (SELECT * FROM ${table}) AS tmpl GROUP BY namespace, name)`;

            if (dialect === 'postgres') {
                // eslint-disable-next-line max-len
                query = `UPDATE "${table}" SET latest = true WHERE id in (SELECT max(id) FROM (SELECT * FROM "${table}") AS tmpl GROUP BY namespace, name)`;
            }

            await queryInterface.sequelize.query(query, { transaction });
        });
    }
};