On the other hand, if you use a java UDF, consider contributing it. Sent from my iPhone
On Sep 4, 2013, at 9:10 AM, Serega Sheypak <serega.shey...@gmail.com> wrote: > Use simple jython UDF. Its 3 lines of code > 04.09.2013 18:04 пользователь "Sajid Raza" <windcl...@gmail.com> написал: > >> For my two cents' worth I agree, it's nicer to have coalesce than the >> conditional operator. >> >> On Sep 4, 2013, at 8:50 AM, Something Something <mailinglist...@gmail.com> >> wrote: >> >>> What if you've 10 fields? >>> >>> >>> On Wed, Sep 4, 2013 at 4:30 AM, Ruslan Al-Fakikh <metarus...@gmail.com >>> wrote: >>> >>>> Hi, >>>> >>>> I think you could mimic it with an expression like this: >>>> b = foreach a generate ((field1 is null) ? ((field2 is null) ? null : >>>> field2) : field1); >>>> >>>> Hope that helps, >>>> Ruslan >>>> >>>> >>>> On Wed, Sep 4, 2013 at 9:50 AM, Something Something < >>>> mailinglist...@gmail.com> wrote: >>>> >>>>> Is there a UDF in Piggybank (or somewhere) that will mimic >> functionality >>>> of >>>>> the COALESCE function in MySQL: >> http://www.w3resource.com/mysql/comparision-functions-and-operators/coalesce-function.php >>>>> >>>>> I know it will be very (very) easy to write this, but just don't want >> to >>>>> create one if one already exists. I looked but couldn't find one. >>>>> >>>>> Please let me know. Thanks. >>
