[jira] [Created] (SOLR-9327) Graph traversalFilter can't read "-field:x" or "NOT field:x" while "field:x" works fine.

["Alexander Lantz (JIRA)" <ji...@apache.org>]

Alexander Lantz created SOLR-9327:
-------------------------------------

             Summary: Graph traversalFilter can't read "-field:x" or "NOT field:x" while "field:x" works fine.
                 Key: SOLR-9327
                 URL: https://issues.apache.org/jira/browse/SOLR-9327
             Project: Solr
          Issue Type: Improvement
      Security Level: Public (Default Security Level. Issues are Public)
         Environment: Windows 10
            Reporter: Alexander Lantz


The problem I am facing is that traversalFilter "(-field:x)" won't return any results even though it probably should.  

More information: I have set up a test core with all my fields stored in a text_general field. Default solrconfig. I have a simple chaining where im using from parameter as document id. And a to field storing all ids of each documents children. And the graph parser works fine, its just this kind of filter that does not work for me.

I have documents with field with value a or b.

a query like this:

```
q=*
fq={!graph from=id to=to returnRoot=false traversalFilter="(field:b)" }id:0
This query filters away any document and its children that does not have b as value on field.
```

```
 q=*
    fq={!graph from=id to=to returnRoot=false traversalFilter="(-field:b)" }id:0
```
Should then work in the opposite. Filter away documents with b as value. But this does not work for some reason.

from solrquerysyntax: https://wiki.apache.org/solr/SolrQuerySyntax

"Pure negative queries (all clauses prohibited) are allowed. -inStock:false finds all field values where inStock is not false." - I believe this should apply to traversalFilter as well for more dynamic filters.



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