[Info-vax] Solr client on VMS

Arne Vajhøj arne at vajhoej.dk
Fri Dec 27 14:43:39 EST 2024


On 12/6/2024 7:49 PM, Arne Vajhøj wrote:
> I have been looking a bit at Solr recently. For those that don't
> know Solr, then it is a text search engine - or more accurate it
> is a web frontend for the Lucene text search engine. Both
> Solr and Lucene are Apache projects (open source).
> 
> Solr is basically exposing a web API, so anything that can do
> HTTP POST can use Solr. But clients encapsulating the HTTP
> stuff does exist for many languages. On VMS then both JVM languages
> and Python should be able to use a standard client.
> 
> But there are also the traditional languages. Maybe it could
> be nice to be able to access Solr from one of those.  VMS Pascal
> is actually a very nice language, so I picked that. And I could
> reuse some stuff I had on the shelf.

> Very far from a complete API - only the most basic stuff.
> 
> And there are restrictions including 32 KB limit on strings
> (VMS Pascal varying of char).
> 
> But maybe still interesting.
> 
> If anyone is interested then everything is available here:
>    https://www.vajhoej.dk/arne/opensource/vms/vmspsolr-src-v0_1.zip

https://www.vajhoej.dk/arne/opensource/vms/vmspsolr-src-v0_3.zip

has:
* the help stuff
* use GET instead of POST for query making it work with
   older Solr (the version I got get running in Tomcat on VMS)

Arne



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