Yes, it would be better if I do it at the time of insertion.Just have
to add one more column.Thanks again.
Regards,
Mohammad Tariq
On Tue, May 22, 2012 at 2:36 PM, Abhinav Neelam wrote:
> Doing it in the pig script is not feasible because pig doesn't have any
> notion of sequentiality - to
Doing it in the pig script is not feasible because pig doesn't have any
notion of sequentiality - to maintain it, you'd need to have access to
state that's shared globally by all the mappers and reducers. One way I can
think of doing this is to have a UDF that maintains state - perhaps it can
maint
Hi Abhinav,
Thanks a lot for the valuable response..Actually I was thinking of
doing the same thing, but being new to Pig I thought of asking it on
the mailing list first..As far as the data is concerned, second column
will always be in ascending order.But I don't think it will be of any
help..
Hey Mohammad,
You need to have sorting requirements when you say 'top 5' records. Because
relations/bags in Pig are unordered, it's natural to ask: 'top 5 by what
parameter?' I'm unfamiliar with HBase, but if your data in HBase has an
implicit ordering with say an auto-increment primary key, or an
Hi Ruslan,
Thanks for the response.I think I have made a mistake.Actually I
just want the top 5 records each time.I don't have any sorting
requirements.
Regards,
Mohammad Tariq
On Mon, May 21, 2012 at 9:31 PM, Ruslan Al-fakikh
wrote:
> Hey Mohammad,
>
> Here
> c = TOP(5,3,a);
> you say
Hey Mohammad,
Here
c = TOP(5,3,a);
you say: take 5 records out of a that have the biggest values in the third
column. Do you really need that sorting by the third column?
-Original Message-
From: Mohammad Tariq [mailto:donta...@gmail.com]
Sent: Monday, May 21, 2012 3:54 PM
To: user@pig.a
