[hibernate-issues] [JIRA] (HSEARCH-3893) Elasticsearch aggregations return the count of nested (leaf) documents

[Yoann Rodière (JIRA)]

Yoann Rodière ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3A58fa1ced-171a-4c00-97e8-5d70d442cc4b ) *created* an issue

Hibernate Search ( https://hibernate.atlassian.net/browse/HSEARCH?atlOrigin=eyJpIjoiMzUzMzA2M2VkYmNhNDcxOGFhNmU3NTU0ZjNjNDFkOWIiLCJwIjoiaiJ9 ) / Bug ( https://hibernate.atlassian.net/browse/HSEARCH-3893?atlOrigin=eyJpIjoiMzUzMzA2M2VkYmNhNDcxOGFhNmU3NTU0ZjNjNDFkOWIiLCJwIjoiaiJ9 ) HSEARCH-3893 ( https://hibernate.atlassian.net/browse/HSEARCH-3893?atlOrigin=eyJpIjoiMzUzMzA2M2VkYmNhNDcxOGFhNmU3NTU0ZjNjNDFkOWIiLCJwIjoiaiJ9 ) Elasticsearch aggregations return the count of nested (leaf) documents ( https://hibernate.atlassian.net/browse/HSEARCH-3893?atlOrigin=eyJpIjoiMzUzMzA2M2VkYmNhNDcxOGFhNmU3NTU0ZjNjNDFkOWIiLCJwIjoiaiJ9 )

Issue Type: Bug Assignee: Yoann Rodière ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3A58fa1ced-171a-4c00-97e8-5d70d442cc4b ) Components: backend-elasticsearch Created: 15/Apr/2020 07:01 AM Fix Versions: 6.0.0.Beta-backlog-high-priority Priority: Major Reporter: Yoann Rodière ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3A58fa1ced-171a-4c00-97e8-5d70d442cc4b )

For example, with this document:

{
   "object" : [{
        "myField" : 1
   },
   {
       "myField" : 1
   }]
}

If we run a "terms" aggregation on field "object.myField":

* If "object" is flattened, the document will contribute for 1 in the count of documents with value "1".
* If "object" is nested, the document will contribute for 2 in the count of documents with value "1".

One would expect the document to count as one in either case, since users don't specify nesting explicitly when they define aggregations: it's all just inferred and added automatically.

( https://hibernate.atlassian.net/browse/HSEARCH-3893#add-comment?atlOrigin=eyJpIjoiMzUzMzA2M2VkYmNhNDcxOGFhNmU3NTU0ZjNjNDFkOWIiLCJwIjoiaiJ9 ) Add Comment ( https://hibernate.atlassian.net/browse/HSEARCH-3893#add-comment?atlOrigin=eyJpIjoiMzUzMzA2M2VkYmNhNDcxOGFhNmU3NTU0ZjNjNDFkOWIiLCJwIjoiaiJ9 )

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