This is a good news, also for code portability Il giorno mer 19 dic 2018, 15:17 Chapman Flack <c...@anastigmatix.net> ha scritto:
> On 12/19/18 07:42, Massimo Fidanza wrote: > > Do you know about GraalVM (https://www.graalvm.org/)? This is a new > > polyglot VM that can run in context of Oracle and MySql, I think that > > supporting it on Postgresql will be a good thing. > > PL/Java will run on it now ... just set pljava.libjvm_location to the > libjvm.so under the graalvm installation. > > There's not (yet) support for declaring SQL functions directly in the > other languages supported; for now, there can be Java functions that > will call into javascript, R, python, etc. as needed. > > Ability to directly declare functions in the various supported languages > would be the obvious next step; I'm working on some refactoring to make > that easier. > > There are many things cool about GraalVM. Historically, if you're > implementing a language, you might do the work about three times > (first developing an interpreter, then a simple JIT for the regions > the interpreter finds to be hot, then a more optimizing version ...). > GraalVM only asks you to write the interpreter (with some clever > annotations) ... and by partial evaluation it can derive your compiler. > > -Chap >
