Thanks Jason and Yash . Appreciate you taking time to help me understand
Drill .
On a side note , I guess we should update the page though so that its no
longer confusing to new user .
I can do that if that sounds ok to folks :)
Regards
Ankur
On Thu, Jan 15, 2015 at 10:27 AM, Yash Sharma wrote:
> +1 for Jason. He has mentioned everything you need for playing with and
> debugging Drill.
>
> Just to add - Join the Drill hangout to discuss areas where you are stuck
> or you would like to start. We are planning one this Tuesday 10AM PDT. Keep
> an eye on the dev list.
>
> On Thu, Jan 15, 2015 at 6:42 AM, Jason Altekruse >
> wrote:
>
> > Hello Ankur!
> >
> > I'm sorry for your trouble getting started with Drill. I did not realize
> > how out of date that wiki page was. The reference interpreter was a proof
> > of concept execution engine that was developed early on in Drill to
> > validate some design decisions before beginning the actual project. While
> > we did maintain it for a little while alongside the full implementation
> of
> > the execution engine, it has be deprecated for some time now. If you want
> > to try to run some test queries on Drill I would recommend starting
> > sqlline, which is a bundled sql shell that leverages Drills JDBC driver.
> > The guide below show how to do it with a pre-built binary.
> >
> >
> >
> https://cwiki.apache.org/confluence/display/DRILL/Apache+Drill+in+10+Minutes
> >
> > You can also run sqlline after a build of Drill. To build, run "mvn clean
> > install -DskipTests" from the root of the project. The finished build
> will
> > be in: distribution/target/
> >
> > You are correct that java-exec is where the development has been
> happening
> > by and large. There are few pluggable components defined in the other
> > modules, as well as a few system interface and logical constructs (such
> as
> > our expression parser/AST) in the common submodule.
> >
> > For debugging during development we mostly write unit tests that submit
> sql
> > queries to test different components of the engine. The testing
> > infrastructure is available from any class that inherits from
> > BestTestQuery. Here is one example:
> >
> >
> >
> https://github.com/apache/drill/blob/35a350fd381d839b3a51587092779fd822a19734/exec/java-exec/src/test/java/org/apache/drill/TestExampleQueries.java
> >
> > We recently added a unified system for creating tests that run queries
> and
> > verify the full result set against a baseline. This has previously be
> > re-created in a number of the test classes in various forms, so we now
> have
> > one unified framework to give a single interface to these tests. This
> class
> > contains some example of the usage of the new framework.
> >
> >
> >
> https://github.com/apache/drill/blob/df56954771950cd850ecae10404007d11d9241cb/exec/java-exec/src/test/java/org/apache/drill/TestFrameworkTest.java
> >
> > -Jason
> >
> >
> >
> > On Wed, Jan 14, 2015 at 10:53 AM, Ankur Garg
> wrote:
> >
> > > Hi All ,
> > >
> > > I joined the Apache Drill community recently and want to contribute to
> > > Drill as a developer .
> > >
> > > As a first step, I am setting up my dev environment . I see that
> > >
> > >
> >
> https://cwiki.apache.org/confluence/display/DRILL/Setting+Up+Your+Development+Environment
> > >
> > > says that the page is Outdated and needs to be updated .
> > >
> > > Specifically , I couldn't get this( *I cant locate ReferenceInterpreter
> > > project in the workspace . Although I could see a donuts.json file
> > > under exec/java-exec . Is the ReferenceInterpreter renamed to
> > > exec/java-exec ?? *) :
> > >
> > > Additionally , is there somewhere i can find the latest update info for
> > > setting up my dev environment . I will then update this page with those
> > so
> > > that new contributors do not face any hassle :)
> > > *Executing the ReferenceInterpreter from ref project:*
> > >
> > > *Copy "ref\src\ test\resources\donuts.json" to
> > > "ref\src\ main\resources\donuts.json"*
> > >
> > > *First time:*
> > >
> > > *Right click on "ReferenceInterpreter", select 'Run As -> Run
> > > Configurations'.*
> > >
> > > *Select Java Application and New.*
> > >
> > > *In Main tab:*
> > >
> > > *Project: ref*
> > >
> > > *Main class: org.apache.drill.exec.ref.ReferenceInterpreter*
> > >
> > > *In Arguments tab:*
> > >
> > > *Program arguments: "src/test/resources/simple_plan.json" (with
> quotes).*
> > >
> > > *Click 'Run'.*
> > >
> > > *Next time onwards:*
> > >
> > > *Right click on "ReferenceInterpreter", select 'Run As -> Java
> > > Application'.*
> > >
> > >
> > > Looking for help .
> > >
> > >
> > > Regards
> > >
> > > Ankur
> > >
> >
>
