The answer here is to use a more powerful storage format, which is a good habit to get into with complicated structures.
2012/6/28 Yang <teddyyyy...@gmail.com> > if I have a field that contains ",", and I add it to a tuple, > > then then tuple becomes part of a row in a relation. > > I STORE the relation using PigStorage. > so each row is a nested tuple. > > then the "," in the content can not be distinguished from the separator > used by pigStorage. > > what is the easiest way out of this? > (preprocessing to escape "," ? another more powerful storage format? ) > > thanks > Yang >