remember too the transform() function for rolling your own, well, transformations.
On Fri, Jun 14, 2013 at 3:07 AM, Jan Dolinár <dolik....@gmail.com> wrote: > Hi, > > I was facing the same problem few weeks ago. The final solution was quick > and dirty - I grabbed the code for this UDF from > http://svn.apache.org/viewvc/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFConcatWS.java?revision=1234150&view=markup&pathrev=1234150and > compiled it the same way as my other UDFs. > > The only part that doesn't work with hive 0.7 is the argument type > checking in initialize() method because of serdeConstants were not > available in this version. The dirty part of the solution is that I just > commented out all but last two lines of this method and the serdeConstants > import :-) As long as you don't pass wrong arguments to it, it works fine, > otherwise you get an error at runtime, while proper code should refuse to > even compile the query. > > > > On Fri, Jun 14, 2013 at 11:51 AM, lxw <lxw1...@qq.com> wrote: > >> Hi, all : >> >> How to convert Array to String in Hive0.7? >> >> concat_ws(string SEP, array<string>) Like concat_ws() above, but >> taking an array of strings. (as of Hive >> 0.9.0<https://issues.apache.org/jira/browse/HIVE-2203>) >> >> >> this function was not supported,who can help me? >> >> >> thanks! >> >> >> >> >> >> >> > >
