The only way to communicate with other hosts is by using UrlFetch that only provides HTTP and HTTPS requests.
So, you can't do it out of the box.
無論如何，如果您確實需要訪問外部 MySQL 服務(wù)器數(shù)據(jù)庫，您應(yīng)該考慮通過 Web API(例如 RESTful、Soap Web 服務(wù))公開它.這樣，您的數(shù)據(jù)也可以通過 UrlFetch 獲得.
Anyway, if you really need to access an external MySQL server database, you should consider to expose it through a Web API (RESTful, Soap web-services for example).
In this way your data would be available also via UrlFetch.
How to use windowing functions efficiently to decide next N number of rows based on N number of previous values(如何有效地使用窗口函數(shù)根據(jù) N 個先前值來決定接下來的 N 個行)
Does ignore option of Pyspark DataFrameWriter jdbc function ignore entire transaction or just offending rows?(Pyspark DataFrameWriter jdbc 函數(shù)的 ignore 選項是忽略整個事務(wù)還是只是有問題的行?) - IT屋-程序員軟件開發(fā)技
How to integrate Apache Spark with MySQL for reading database tables as a spark dataframe?(如何將 Apache Spark 與 MySQL 集成以將數(shù)據(jù)庫表作為 Spark 數(shù)據(jù)幀讀取?)
