Method addColumn

lib/dialects/abstract/query-interface.js:401–409

* Add a new column to a table * * ```js * queryInterface.addColumn('tableA', 'columnC', Sequelize.STRING, { * after: 'columnB' // after option is only supported by MySQL * }); * ``` * * @param {string} table Table to add column to * @param {string} key Column

(table, key, attribute, options)

   * @returns {Promise}
   */
  async addColumn(table, key, attribute, options) {
    if (!table || !key || !attribute) {
      throw new Error(class="st">'addColumn takes at least 3 arguments (table, attribute name, attribute definition)');
    }

    options = options || {};
    attribute = this.sequelize.normalizeAttribute(attribute);
    return await this.sequelize.query(this.queryGenerator.addColumnQuery(table, key, attribute), options);
  }

  /**
   * Remove a column from a table