Don’t have the error stack, but janino could not compile generated code because it said an “unwrap” method did not exist.
There were no lambdas. I think perhaps that version of janino could not fully understand the Calcite class files. To reproduce, change 2 lines in core/pom.xml and run “mvn test”. Julian > On Apr 9, 2018, at 12:15 PM, Enrico Olivelli <[email protected]> wrote: > > Il lun 9 apr 2018, 19:05 Julian Hyde <[email protected]> ha scritto: > >> Has anyone had any luck using JDK 8 syntax (e.g. “->” for lambdas) in >> Calcite? >> >> In core/pom.xml I changed source=1.7 target=1.7 to source=8 target=8 and >> it allowed the syntax but it seemed to break any tests that relied on >> janino. >> > > Julian, > Could you please share a stacktrace of your error? > As far as I know using lambdas is not only a matter of syntactic sugar but > they are more efficient than simple anonymous classes. > > Cheers > Enrico > > >> Related: https://issues.apache.org/jira/browse/CALCITE-2027 < >> https://issues.apache.org/jira/browse/CALCITE-2027> >> >> Julian >> >> -- > > > -- Enrico Olivelli
