Yeah, this is an error in the docs which needs to be corrected as this is a common use case. The val function is the one to use. I will make the change in the docs.
Joel Bernstein http://joelsolr.blogspot.com/ On Fri, Feb 26, 2021 at 12:28 PM ufuk yılmaz <uyil...@vivaldi.net.invalid> wrote: > I tried to debug this to the best of my ability, and it seems the correct > name for the “raw” evaluator is “val”. > > > > Copied from StreamContext: val=class > org.apache.solr.client.solrj.io.eval.RawValueEvaluator > > > > I think there’s a small error in stream evaluator documentation of 8.4 > > > > https://lucene.apache.org/solr/guide/8_4/stream-evaluator-reference.html > > > > When I used “val” instead of “raw”, I got the expected response: > > > > select( > > search( > > myCollection, > > q="*:*", > > qt="/export", > > sort="id_str asc", > > fl="id_str" > > ), > > id_str, > > val(abc) as text > > ) > > > > { > > "result-set": { > > "docs": [ > > { > > "id_str": "deneme123", > > "text": "abc" > > }, > > { > > "EOF": true, > > "RESPONSE_TIME": 70 > > } > > ] > > } > > } > > > > --ufuk yilmaz > > > > > > Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for > Windows 10 > > > > *From: *ufuk yılmaz <uyil...@vivaldi.net.INVALID> > *Sent: *26 February 2021 16:38 > *To: *solr-u...@lucene.apache.org > *Subject: *Select streaming expression, add a field to every tuple, > replaceor raw not working > > > > Hello all, > > > > Solr version 8.4 > > > > I have a very simple select expression here. What I’m trying to do is to > add a constant value to incoming tuples. > > > > My collection has only 1 document. Id_str is of type String. Other fields > are Solr generated. > > > > { > > "_version_":1692761378187640832, > > "id_str":"experiment123", > > "id":"18d658b13b6b072f"}] > > } > > > > My streaming expression: > > > > select( > > search( > > myCollection, > > q="*:*", > > qt="/export", > > sort="id_str asc", > > fl="id_str" > > ), > > id_str, > > raw(ttt) as text // Docs state that select > works with any evaluator. “raw” here is a stream evaluator. > > ) > > > > I also tried: > > > > select( > > search( > > myCollection, > > q="*:*", > > qt="/export", > > sort="id_str asc", > > fl="id_str" > > ), > > id_str, > > replace(text, null, withValue=raw(ttt)) as > text //replace is described in select expression documentation. I also > tried withValue=ttt directly > > ) > > > > No matter what I do, response only includes id_str field, without any > error: > > > > { > > "result-set":{ > > "docs":[{ > > "id_str":" experiment123"} > > ,{ > > "EOF":true, > > "RESPONSE_TIME":45}]}} > > > > I also tried wrapping text value with quotes, that didn’t work too. > > > > What am I doing wrong? > > > > --ufuk yilmaz > > > > Sent from Mail for Windows 10 > > > > >
