hive-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From <yogesh.kuma...@wipro.com>
Subject FW: how to perform GROUP BY:: in pig for this
Date Sat, 29 Sep 2012 11:22:29 GMT


Hi all,

I have this data, having fields  (Date, symbol, rate)

and I want it to be group by Months, and to find out the maximum rate value for each month.

like: for month (08, 36.3), (09, 36.4), (10, 36.8), (11, 37.5) ..


(2009-08-21,CLI,33.38)
(2009-08-24,CLI,33.03)
(2009-08-25,CLI,33.16)
(2009-08-26,CLI,32.78)
(2009-08-27,CLI,32.79)
(2009-08-28,CLI,33.37)
(2009-08-31,CLI,32.51)
(2009-09-11,CLI,34.08)
(2009-09-14,CLI,35.19)
(2009-09-15,CLI,35.82)
(2009-09-16,CLI,36.58)
(2009-09-17,CLI,37.63)
(2009-09-18,CLI,37.26)
(2009-09-21,CLI,36.31)
(2009-09-22,CLI,35.88)
(2009-09-23,CLI,35.84)
(2009-09-24,CLI,33.98)
(2009-09-25,CLI,32.44)
(2009-09-28,CLI,33.34)
(2009-09-29,CLI,33.6)
(2009-09-30,CLI,33.24)
(2009-10-01,CLI,31.98)
(2009-10-02,CLI,31.21)
(2009-10-05,CLI,31.31)
(2009-10-21,CLI,32.86)
(2009-10-26,CLI,33.15)
(2009-10-27,CLI,32.71)
(2009-10-28,CLI,32.03)
(2009-10-29,CLI,32.05)
(2009-10-30,CLI,31.88)
(2009-11-02,CLI,31.88)
(2009-11-03,CLI,31.16)
(2009-11-04,CLI,31.47)
(2009-11-09,CLI,31.59)
(2009-11-25,CLI,30.58)
(2009-11-27,CLI,30.19)
(2009-11-30,CLI,30.86)
(2009-12-01,CLI,31.74)
(2009-12-02,CLI,32.62)
(2009-12-03,CLI,33.43)
(2009-12-04,CLI,34.12)
(2009-12-07,CLI,33.77)
(2009-12-08,CLI,33.8)
(2009-12-09,CLI,33.71)

Please help and suggest .

Thanks & Regards
Yogesh Kumar

The information contained in this electronic message and any attachments to this message are
intended for the exclusive use of the addressee(s) and may contain proprietary, confidential
or privileged information. If you are not the intended recipient, you should not disseminate,
distribute or copy this e-mail. Please notify the sender immediately and destroy all copies
of this message and any attachments. 

WARNING: Computer viruses can be transmitted via email. The recipient should check this email
and any attachments for the presence of viruses. The company accepts no liability for any
damage caused by any virus transmitted by this email.

www.wipro.com

Mime
View raw message