Pig SHOULD parse the whole script, AFAIK. There are certain errors that will only surface at runtime, but in general, parsing errors should be surfacing early. Do you happen to have an example?
2012/6/28 Yang <teddyyyy...@gmail.com> > let's say my pig script generates 2 MR jobs. > > it seems that currently pig parser won't try to parse the second part until > it finishes running the first MR. > > by that time 1 hour may have passed and now pig says: > > blahblah does not exists in the schema of myvar_name : { x:int , > y:chararray.......} > > so a lot of time is wasted, particularly in debugging. > > is there a mode like pig -c > (like perl -c ) to check syntax errors? > > Thanks > Yang >