I think Yang Sun means createTempView, which will cache data in memory instead of writing to disk.
And I sugguest this post should be discussed in u...@spark.apache.org mail list. ________________________________ 发件人: Gang Li <lg1173298...@gmail.com> 发送时间: 2020年9月9日 17:06 收件人: dev@spark.apache.org <dev@spark.apache.org> 主题: Re: For the same data source in two SQLs, how to read it once？ If use a temporary table, the execution process is shown in the following figure <http://apache-spark-developers-list.1001551.n3.nabble.com/file/t3738/tmp1.png> Is there any way to achieve the following figure? <http://apache-spark-developers-list.1001551.n3.nabble.com/file/t3738/tmp2.png> thanks！ -- Sent from: http://apache-spark-developers-list.1001551.n3.nabble.com/ --------------------------------------------------------------------- To unsubscribe e-mail: dev-unsubscr...@spark.apache.org
