Re: define backwards compatibility

2008-02-21 Thread Doug Cutting
Joydeep Sen Sarma wrote: i find the confusion over what backwards compatibility means scary - and i am really hoping that the outcome of this thread is a clear definition from the committers/hadoop-board of what to reasonably expect (or not!) going forward. The goal is clear: code that compil

define backwards compatibility (was: changes to compression interfaces in 0.15?)

2008-02-21 Thread Joydeep Sen Sarma
Arun - if you can't pull the api - then u must redirect the api to the new call that preserves it's semantics. in this case - had we re-implemented SequenceFile.setCompressionType in 0.15 to call SequenceFileOutputFormat.setOutputCompressionType() - then it would have been a backwards compatibl