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import { waterfall } from 'async'
// utils = { transaction, queryInterface, sequelize, Sequelize }
function up (utils, finalCallback) {
const q = utils.queryInterface
const Sequelize = utils.Sequelize
const data = {
type: Sequelize.STRING(400),
allowNull: false,
defaultValue: ''
}
waterfall([
function addEmailColumn (callback) {
q.addColumn('Users', 'email', data, { transaction: utils.transaction }).asCallback(function (err) {
return callback(err)
})
},
function updateWithFakeEmails (callback) {
const query = 'UPDATE "Users" SET "email" = CONCAT("username", \'@example.com\')'
utils.sequelize.query(query, { transaction: utils.transaction }).asCallback(function (err) {
return callback(err)
})
},
function nullOnDefault (callback) {
data.defaultValue = null
q.changeColumn('Users', 'email', data, { transaction: utils.transaction }).asCallback(callback)
}
], finalCallback)
}
function down (options, callback) {
throw new Error('Not implemented.')
}
export {
up,
down
}
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