[jira] [Created] (SOLR-12673) Union Has All Post Filter Query

["Varun Thacker (JIRA)" <ji...@apache.org>]

Varun Thacker created SOLR-12673:
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             Summary: Union Has All Post Filter Query
                 Key: SOLR-12673
                 URL: https://issues.apache.org/jira/browse/SOLR-12673
             Project: Solr
          Issue Type: New Feature
      Security Level: Public (Default Security Level. Issues are Public)
            Reporter: Varun Thacker


Here's the use-case I am trying to solve for document level access control.

Documents :
{code:java}
[
  {"id" : "1", "users" : ["user1"]},
  {"id" : "2", "users" : ["user4"]},
  {"id" : "3", "users" : ["user1", "user2"]},
  {"id" : "4", "users" : ["user1", "user2", "user3"]},
  {"id" : "5", "users" : ["user1", "user2", "user3", "user4"]}
]{code}
 

Query : If the document has any user apart from user1, user2 or user3 don't show it.
Results : id:1, id:3, id:4

Query : If the document has any user apart from user1, user2 don't show it.
Results : id:1, id:3

I'm thinking this can be solved by writing a post-filter

Syntax:
{code:java}
{!union_has_all field=users}user1,user2,user3{code}
The post filter would get each document at a time and see if there is a user in that document that is not part of the query.



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