The concat function was changed to an evaluator. An example of the new syntax is here: https://github.com/apache/lucene-solr/blob/visual-guide/solr/solr-ref-guide/src/loading.adoc#unique-ids
Sorry for confusion the language should be settling down now with very of these types of changes happening going forward. Joel Bernstein http://joelsolr.blogspot.com/ On Fri, Jan 24, 2020 at 5:16 AM Guilherme Nunes < guilherme.nu...@biologis.com> wrote: > Greetings. > > A follow-up to the below with my findings. > > The problem seems to be that the binding of “concat” on the > StreamFactory.functionNames maps to ConcatEvaluator in 8.4.1, while in 8.2 > it mapped to ConcatOperation. > The mapping is defined in the file Lang.java > > Branch_8_4: > > Branch_8_2: > The workaround to achieve a functioning move from 8.2 to 8.4.1, in our > case, was to override the mapping of concat in the solrconfig.xml with > <expressible name="concat" > class=“org.apache.solr.client.solrj.io.ops.ConcatOperation” /> > > Kind regards, > Guilherme Nunes > > On 20 Jan 2020, at 11:38, Guilherme Nunes <guilherme.nu...@biologis.com> > wrote: > > Greetings. > > In upgrading to solr 8.4.1, the following streaming expression is not > working for me: > > select( > cartesianProduct( > tuple(k1="1", k2=array(a)), > k2, productSort="k1 asc"), > "k1”, > concat(fields="k1",delim=",",as="node") ) > > Returning “"Invalid expression > select(cartesianProduct(tuple(k1=1,k2=array(a)),k2,productSort=\”k1 > asc\"),\"k1\",concat(fields=k1,delim=\",\",as=node)) - unknown operands > found"”. > > But it works fine in 8.2.0. > > Am I missing something, or should a jira ticket be opened for this? > > Thank you > > Kind regards, > Guilherme Nunes > > >
