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Re: suggestion
thanks
it was simply "blahblah field does not existing in schema for my_var :
{......} "
On Thu, Jun 28, 2012 at 8:24 PM, Jonathan Coveney <[EMAIL PROTECTED]>wrote:

> 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 <[EMAIL PROTECTED]>
>
> > 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
> >
>