That is because you're calling REPLACE on a bag of tuples and not a string.
What you would want to do is write a UDF (suggested name JOIN_ON), that
takes as an argument a join char and will join all the tuples in the bag by
the join char.
On Mon, Apr 7, 2014 at 12:31 PM, Krishnan Narayanan <
kris
Thanks Ankit,
I am getting the desired result. What i did was I group by year but did not
use any aggregate function so that the output is a bag(tuples).
Now when I try to apply replace function for replacing the curly braces and
brackets so that it will look 2014,2013 but it gives me error can't
Run a group by year field
Then do whatever u want to do
On 4/1/14 5:45 PM, "Krishnan Narayanan" wrote:
>Hi All,
>
>Using Pig how can I achieve the below mentioned output from the input.
>
>Input
>
>year , 2000
>year , 2001
>year , 2002
>
>OutPut
>
>year 2000|2001|2002 ( in one row).
>
>Thanks
>
Hi All,
Using Pig how can I achieve the below mentioned output from the input.
Input
year , 2000
year , 2001
year , 2002
OutPut
year 2000|2001|2002 ( in one row).
Thanks
Krishnan
