You can have expressions in the argument to ABS. The query worked for me.
Are the columns in your data tab delimited ? (the default delim for
PigStorage). It looks like in your case the expression got evaluated to
null.
But it is certainly a bug that NPE was thrown from ABS, instead of
returning a null value. Can you please open a jira ?
Thanks,
Thejas
On 7/8/11 7:27 AM, Shubham Chopra wrote:
Hi,
Consider the following script:
a = load 'a' as (x:chararray, y:double);
b = foreach a generate *, ABS(y - 2*y) as test;
dump b;
Are functions like (y-2*y) not supported inside ABS? The weird thing is that
it does not throw a compilation error, so I am guessing they are. Instead,
it barfs out a NPE when the job executes in hadoop.
File 'a' has data like the following
A 1
B 2
I am using pig-0.9. Is this expected behaviour?
Thanks,
Shubham.
