RE: BinStorage and versioning

[Olga Natkovich]

It should work just fine; the missing data will be replaced with null at
least in the types branch.

Olga 

> -----Original Message-----
> From: Kevin Weil [EMAIL PROTECTED] 
> Sent: Wednesday, October 08, 2008 12:00 PM
> To: pig-user@incubator.apache.org
> Subject: BinStorage and versioning
> 
> Hi,
> 
> Say that I write out a tuple with three fields using 
> BinStorage.  And then in a couple months, I add a parameter, 
> so now I write out a tuple with a new fourth field.  If I'm 
> loading a directory containing the files that have both of 
> these tuples, and I say
> 
> a = LOAD 'my_directory' using BinStorage() as (f1, f2, f3, f4)
> 
> what will happen when BinStorage tries to load the first 
> tuple with only three fields?  Will f4 just be NULL?
> 
> Thanks,
> Kevin
>