Method getFunction

lib/metadata/index.js:582–584

* Gets a definition of CQL function for a given name and signature. * * If a callback is provided, the callback is invoked when the metadata retrieval completes. * Otherwise, it returns a Promise . * * * When trying to retrieve the same fun

(keyspaceName, name, signature, callback)

   * parameter.
   */
  getFunction(keyspaceName, name, signature, callback) {
    return promiseUtils.optionalCallback(this._getSingleFunction(keyspaceName, name, signature, false), callback);
  }

  /**
   * Gets the definition of CQL aggregate for a given name.