Re: How to extract the keys of a map ?

[Vincent Barat]

Thank you Bill, that should do the work :-) Le 29/06/12 18:16, Bill Graham a écrit : There's support for this in the trunk FYI: https://issues.apache.org/jira/browse/PIG-2600 On Fri, Jun 29, 2012 at 5:05 AM, Vincent Barat <vincent.ba...@gmail.com>wrote: Hi ! I've a bag of map... ([k3#v13,k1#v11,k2#v12]) ([k1#v12,k2#v22]) ([k4#v31]) ... and would like to extract all key names: (k3) (k1) (k2) (k1) (k2) (k4) I cannot figure out how to do this (except by writting an UDF). Any idea ? Thanks a lot -- Vincent Barat CTO Contact info vba...@capptain.com www.capptain.com Cell: +33 6 15 41 15 18 Rennes Office Office: +33 2 99 65 69 13 10 rue Jean-Marie Duhamel 35000 Rennes France Paris Office Office: +33 1 84 06 13 85 Fax: +33 9 57 72 20 18 18 rue Tronchet 75008 Paris France IMPORTANT NOTICE – UBIKOD and CAPPTAIN are registered trademarks of UBIKOD S.A.R.L., all copyrights are reserved. The contents of this email and attachments are confidential and may be subject to legal privilege and/or protected by copyright. Copying or communicating any part of it to others is prohibited and may be unlawful. If you are not the intended recipient you must not use, copy, distribute or rely on this email and should please return it immediately or notify us by telephone. At present the integrity of email across the Internet cannot be guaranteed. Therefore UBIKOD S.A.R.L. will not accept liability for any claims arising as a result of the use of this medium for transmissions by or to UBIKOD S.A.R.L.. UBIKOD S.A.R.L. may exercise any of its rights under relevant law, to monitor the content of all electronic communications. You should therefore be aware that this communication and any responses might have been monitored, and may be accessed by UBIKOD S.A.R.L. The views expressed in this document are that of the individual and may not necessarily constitute or imply its endorsement or recommendation by UBIKOD S.A.R.L. The content of this electronic mail may be subject to the confidentiality terms of a "Non-Disclosure Agreement" (NDA).