Method update

src/model.js:3191–3372

* Update multiple instances that match the where options. * * @param {object} values hash of values to update * @param {object} options update options * @param {object} options.where Options to

(values, options)

   *
   */
  static async update(values, options) {
    options = Utils.cloneDeep(options);

    // Add CLS transaction
    if (options.transaction === undefined && this.sequelize.constructor._cls) {
      const t = this.sequelize.constructor._cls.get('transaction');
      if (t) {
        options.transaction = t;
      }
    }

    this._injectScope(options);
    this._optionsMustContainWhere(options);

    options = this._paranoidClause(this, _.defaults(options, {
      validate: true,
      hooks: true,
      individualHooks: false,
      returning: false,
      force: false,
      sideEffects: true
    }));

    options.type = QueryTypes.BULKUPDATE;

    // Clone values so it doesn't get modified for caller scope and ignore undefined values
    values = _.omitBy(values, value => value === undefined);

    // Remove values that are not in the options.fields
    if (options.fields && options.fields instanceof Array) {
      for (const key of Object.keys(values)) {
        if (!options.fields.includes(key)) {
          delete values[key];
        }
      }
    } else {
      const updatedAtAttr = this._timestampAttributes.updatedAt;
      options.fields = _.intersection(Object.keys(values), Object.keys(this.tableAttributes));
      if (updatedAtAttr && !options.fields.includes(updatedAtAttr)) {
        options.fields.push(updatedAtAttr);
      }
    }

    if (this._timestampAttributes.updatedAt && !options.silent) {
      values[this._timestampAttributes.updatedAt] = this._getDefaultTimestamp(this._timestampAttributes.updatedAt) || Utils.now(this.sequelize.options.dialect);
    }

    options.model = this;

    let valuesUse;
    // Validate
    if (options.validate) {
      const build = this.build(values);
      build.set(this._timestampAttributes.updatedAt, values[this._timestampAttributes.updatedAt], { raw: true });

      if (options.sideEffects) {
        Object.assign(values, _.pick(build.get(), build.changed()));
        options.fields = _.union(options.fields, Object.keys(values));