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Pig, mail # user - FLATTEN() behavior difference in 0.8.1 and 0.10.0 ?


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Re: FLATTEN() behavior difference in 0.8.1 and 0.10.0 ?
yonghu 2012-06-24, 18:17
So, I think you want to project the x in K. You can write the pig as:

M = foreach K generate K.(x) as X;

Hope this can help you.

Yong

On Sun, Jun 24, 2012 at 12:40 PM, Yang <[EMAIL PROTECTED]> wrote:
> my UDF returns a bag of tuples : mybag:bag{ mytuple: tuple ( x: int, y:int)}
>
> in my pig script:
>
> I do
>
> K = foreach blah generate UDF( xxx);
>
> M = foreach K generate x;
>
>
> here PIG 0.8.1 says x can not be found in schema, since
>
> describe K
>
> shows:
> { mytuple:tuple(x:int , y:int) }
>
> while 0.10.0
>
> shows
> {x:int, y:int}