Drill uses compile time code generation for implementing functions, rather than needing to implement by hand.
Please take a look at exec/java-exec/src/main/codegen/ to see how it is done, and model any new functions on that. For reference, here is info about freemarker: http://freemarker.org/ On Tue, Feb 4, 2014 at 8:52 AM, Akila Wajirasena <[email protected] > wrote: > Hi, > > I'm Akila, a software engineer from Sri Lanka. I would like to contribute > to this project. > I went through the materials provided in the site and thought of starting > to implement some > drill functions. I have some questions regarding that; > > I found the document on functions needed to be implemented [1]. I would > like to know if any of those > functions already implemented? > > Then I found ComparisonFunctions class mentioned in "Contributing" wiki > page > is commented out. Is it no longer in use? > > > [1] > > https://docs.google.com/spreadsheet/ccc?key=0Aoz_rQ71aIZ5dC0tN2FhNzY1c0JzV1RpOTZQM0hMdEE&usp=sharing#gid=0 > > -- > Regards > Akila Wajirasena >
