Never heard of such intent, likely a miss? Would you be willing to produce a Pull Request for bringing the content back?
Jan Høydahl > On 13 Nov 2024, at 22:03, Christine Feldmann > <cfeldm...@proofpoint.com.invalid> wrote: > > Looking for opinions here from those of you that know Solr best… > > A change was pushed to do a major revision of the Streaming Expressions guide > almost 4 years ago in version 8.8: > SOLR-13105<https://issues.apache.org/jira/browse/SOLR-13105> A visual guide > to Solr Math Expressions and Streaming Expressions > > In this change, the following section was removed: > > “Adding Custom Expressions > Creating your own custom expressions can be easily done by implementing the > Expressible<https://lucene.apache.org/solr/8_5_0/solr-solrj/org/apache/solr/client/solrj/io/stream/expr/Expressible.html> > interface. To add a custom expression to the list of known mappings for the > /stream and /graph handlers, you just need to declare it as a plugin in > solrconfig.xml via: > <expressible name="custom" class="org.example.CustomStreamingExpression"/>” > > There was no mention of deprecating the feature or removing this section. > Given the massive size of the diff, I wonder if it was an inadvertent removal. > > The feature works. There’s no deprecation of this feature mentioned in any > of the Solr docs since it was removed from the guide without explanation. > The code itself is not deprecated. > > The Config API doc still includes > add-expressible/update-expressible/delete-expressible > > There is concern in my organization that this feature could be removed at any > time without warning because it didn’t make it into the revision of the guide. > > Can anyone provide an opinion on how likely that is to happen? > > If any of the authors of the guide update are reading, can you comment on why > that section was removed? > > Thanks in advance, > Christine >
