Method removeIndex

lib/dialects/abstract/query-interface.js:646–650

* Remove an already existing index from a table * * @param {string} tableName Table name to drop index from * @param {string|string[]} indexNameOrAttributes Index name or list of attributes that in the index * @param {object} [options] Query options

(tableName, indexNameOrAttributes, options)

   * @returns {Promise}
   */
  async removeIndex(tableName, indexNameOrAttributes, options) {
    options = options || {};
    const sql = this.queryGenerator.removeIndexQuery(tableName, indexNameOrAttributes);
    return await this.sequelize.query(sql, options);
  }

  /**
   * Add a constraint to a table