Calvin, Generally, the pattern is to make a new column which represents whatever you want things to be compared on, and then partition/order/whatever on that column. There are some cases where this is insufficient, but 99.9% of the time I've found it to be fine.
Jon 2012/8/9 Alan Gates <[email protected]> > There isn't a replacement for ComparisonFunc. That was written before Pig > had types so that users could do type specific comparison functions. With > the addition of types it was felt that ComparisonFunc was no longer > necessary. That said, it's never been removed. The testing is limited at > this point, so I don't know how well it works. If you find it works for > you though you could still use it. > > Alan. > > On Jul 30, 2012, at 6:05 PM, Calvin Cheung wrote: > > > Since ComparisonFunc is now depreciated, what is its replacement? I can't > > any information in the Javadoc. Is it safe to continue to extend > > ComparisonFunc for custom ordering? > > > > Thanks. > > Calvin > >
