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
