Thank you very much for your reply. I have learned a lot! Hongyu
On Fri, Jan 5, 2024 at 12:55 AM Mihai Budiu <mbu...@gmail.com> wrote: > > https://calcite.apache.org/javadocAggregate/org/apache/calcite/rel/rules/ReduceExpressionsRule.ProjectReduceExpressionsRule.html > > Calcite has a very powerful constant folding optimizer. > > Mihai > ________________________________ > From: Hongyu Guo <guohongyu...@gmail.com> > Sent: Thursday, January 4, 2024 4:16:31 AM > To: dev@calcite.apache.org <dev@calcite.apache.org> > Subject: Simplify function with constant parameters > > Hi devs, > > Function with constant parameters can be simplified, for example > ``` > select abs(-1) as a, sqrt(4) as b; > can be simplified as > select 1 as a, 2.0 as b; > ``` > The execution of the function occurs during planning rather than during > runtime. > I noticed that Spark supports this simplification. Can Calcite also support > it? I can log a new jira if you agree. > > Best, > Hongyu >
