It should, but 6.6.* has some issues of things not working per documentation. Try using 7+.
> On Jun 27, 2018, at 1:24 PM, Pratik Patel <pra...@semandex.net> wrote: > > Thanks a lot for help! > > Looks like this is a recent addition? It doesn't work for me in version > 6.6.4 > > > > On Wed, Jun 27, 2018 at 4:18 PM, Aroop Ganguly <aroopgang...@icloud.com> > wrote: > >> So it will become: >> select( >> search(..), >> conceptid as foo, >> storeid as bar >> append(conceptid, storeid) as id >> ) >> >> Or >> select >> select( >> search(..), >> conceptid as foo, >> storeid as bar >> ), >> foo, >> bar, >> append(foo,bar) as id >> ) >> >>> On Jun 27, 2018, at 1:12 PM, Aroop Ganguly <aroopgang...@icloud.com> >> wrote: >>> >>> this test case here will help in understanding the usage: >>> https://github.com/apache/lucene-solr/blob/branch_7_2/ >> solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/eval/ >> AppendEvaluatorTest.java <https://github.com/apache/ >> lucene-solr/blob/branch_7_2/solr/solrj/src/test/org/ >> apache/solr/client/solrj/io/stream/eval/AppendEvaluatorTest.java> >>> >>>> On Jun 27, 2018, at 1:07 PM, Aroop Ganguly <aroopgang...@icloud.com> >> wrote: >>>> >>>> I think u can use the append evaluator >>>> https://github.com/apache/lucene-solr/blob/master/solr/ >> solrj/src/java/org/apache/solr/client/solrj/io/eval/AppendEvaluator.java < >> https://github.com/apache/lucene-solr/blob/master/solr/ >> solrj/src/java/org/apache/solr/client/solrj/io/eval/AppendEvaluator.java> >>>> >>>> >>>>> On Jun 27, 2018, at 12:58 PM, Pratik Patel <pra...@semandex.net> >> wrote: >>>>> >>>>> Hello, >>>>> >>>>> Is there a function which can be used in Streaming Expressions to >>>>> concatenate two strings? I want to use it just like add(1,2) in a >> Streaming >>>>> Expression. Essentially, I want to achieve something as follows. >>>>> >>>>> select( >>>>> search(..), >>>>> conceptid as foo, >>>>> storeid as bar >>>>> concat(foo,bar) as id >>>>> ) >>>>> >>>>> I can use merge() function but my streaming expression is quite >> complex and >>>>> that will make it even more complex as that would be a round about way >> of >>>>> doing it. Any idea how this can be achieved? >>>>> >>>>> Thanks, >>>>> Pratik >>>> >>> >> >>