[jira] [Created] (SOLR-8977) graph qparser's traversalFilter doesn't support pure negative queries

["Hoss Man (JIRA)" <ji...@apache.org>]

Hoss Man created SOLR-8977:
------------------------------

             Summary: graph qparser's traversalFilter doesn't support pure negative queries
                 Key: SOLR-8977
                 URL: https://issues.apache.org/jira/browse/SOLR-8977
             Project: Solr
          Issue Type: Bug
            Reporter: Hoss Man


discovered this while trying to document the parser...

{code}
bin/solr -e techproducts
...

# basic graph walk works
curl 'http://localhost:8983/solr/techproducts/query?rows=20&fl=id,manu_id_s&q=\{!graph+from=id+to=manu_id_s\}id:0579B002'
{
  "responseHeader":{
    "status":0,
    "QTime":0,
    "params":{
      "q":"{!graph from=id to=manu_id_s}id:0579B002",
      "fl":"id,manu_id_s",
      "rows":"20"}},
  "response":{"numFound":2,"start":0,"docs":[
      {
        "id":"0579B002",
        "manu_id_s":"canon"},
      {
        "id":"canon"}]
  }}

# pure negative traversalFilter (that should match all docs since field is bogus) actaully prevents any walking from happening
curl 'http://localhost:8983/solr/techproducts/query?rows=20&fl=id,manu_id_s&q=\{!graph+from=id+to=manu_id_s+traversalFilter=%22-bogus_field_s:1%22\}id:0579B002'
{
  "responseHeader":{
    "status":0,
    "QTime":0,
    "params":{
      "q":"{!graph from=id to=manu_id_s traversalFilter=\"-bogus_field_s:1\"}id:0579B002",
      "fl":"id,manu_id_s",
      "rows":"20"}},
  "response":{"numFound":1,"start":0,"docs":[
      {
        "id":"0579B002",
        "manu_id_s":"canon"}]
  }}

# adding a match all docs to the traversalFilter to make it an explicitly positive query gets things working again
curl 'http://localhost:8983/solr/techproducts/query?rows=20&fl=id,manu_id_s&q=\{!graph+from=id+to=manu_id_s+traversalFilter=%22*:*%20-bogus_field_s:1%22\}id:0579B002'
{
  "responseHeader":{
    "status":0,
    "QTime":0,
    "params":{
      "q":"{!graph from=id to=manu_id_s traversalFilter=\"*:* -bogus_field_s:1\"}id:0579B002",
      "fl":"id,manu_id_s",
      "rows":"20"}},
  "response":{"numFound":2,"start":0,"docs":[
      {
        "id":"0579B002",
        "manu_id_s":"canon"},
      {
        "id":"canon"}]
  }}


{code}



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