Yay! That's right!!! Thanks Reynold. Such a short answer with so much
information. Thanks.
Pozdrawiam,
Jacek Laskowski
https://about.me/JacekLaskowski
Mastering Spark SQL https://bit.ly/mastering-spark-sql
Spark Structured Streaming https://bit.ly/spark-structured-streaming
Mastering Kafka
SQL expressions?
On Wed, May 30, 2018 at 11:09 AM Jacek Laskowski wrote:
> Hi,
>
> I've been exploring RuntimeReplaceable expressions [1] and have been
> wondering what their purpose is.
>
> Quoting the scaladoc [2]:
>
> > An expression that gets replaced at runtime (currently by the optimizer)
Hi,
I've been exploring RuntimeReplaceable expressions [1] and have been
wondering what their purpose is.
Quoting the scaladoc [2]:
> An expression that gets replaced at runtime (currently by the optimizer)
into a different expression for evaluation. This is mainly used to provide
compatibility
