问题:
使用游标遍历时,发现使用
select var into tmp where var=?
然后判断if tmp is null时,不能走完所有的遍历。经debug发现,
当var为空时,则跳出游标的遍历。
解决方式:
使用if not exists(select var into tmp where var=?)时,则ok。
暂且不知道原因,记录下来留待后续探究。
Apache Kafka is publish-subscribe messaging rethought as a distributed commit log
http://kafka.apache.org/
The Apache Mahout™ project‘s goal is to build a scalable machine learning library.
https://mahout.apache.org/