This looks like a parser bug. Alan.
On Mar 13, 2012, at 11:32 AM, Charles Menguy wrote: > Hi all, > > I have a question about PIG regarding non-linear data flows. > > I'm using the SPLIT command to be able to do different behavior based on my > data, but I noticed something unexpected. > > When I do a SPLIT with only 1 leg, for some reason that doesn't work, as it > seems to be expecting at least a 2nd leg. > Something like > SPLIT X INTO X1 if event == 'E1'; > will give me the following error : > org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1000: Error > during parsing. Encountered " ";" "; "" at line ... > > Given the fact that it works fine with more than 1 leg, and that the splits > don't have to cover the whole space (a record can go to no leg), and that > it's basically equivalent to doing multiple FILTER ... BY, i'm wondering if > this is a bug or if there is a good reason for expecting at least 2 legs > with SPLIT. I agree that doing a SPLIT with only 1 leg is not really a > non-linear data flow, but I find this behavior somewhat confusing and > inconsistent. Any thoughts? > > Thanks, > > Charles > > -- > Proclivity® | We Value Your Customers™ > > This message is the property of Proclivity Systems, Inc. and is intended > only for the use of the addressee(s), and may contain material that is > confidential and privileged for the sole use of the intended recipient. If > you are not the intended recipient, reliance or forwarding without express > permission is strictly prohibited; please contact the sender and delete all > copies.
