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From Alexandre Rafalovitch <>
Subject Re: Solr (5.3.1) doesn't delete orphaned child documents
Date Fri, 04 Mar 2016 00:55:11 GMT
I suspect not (starting from 'delete parent only'). I would check this
against Solr 5.5 as it fixed a bunch of parent/child related issues.
See, for example, SOLR-5211

Newsletter and resources for Solr beginners and intermediates:

On 4 March 2016 at 01:53,  <> wrote:
> Hi,
>      I noticed some strange behavior when deleting orphaned child documents in Solr 5.3.1.
I am indexing nested documents in parent/child hierarchy. When I delete a child document whose
parent is already deleted previously, child document still shows up in search. I am using
deleteById() that always returns with a success code. Here is an illustration:
> A parent P has n (=3) children, say a, b, and c.
>         (P)
>          |-(a)
>          |-(b)
>          |-(c)
> i) Index all four documents with P as parent and a,b,c as children of P.
> ii) Search returns 4 documents (P, a, b, c).
> iii) Delete P.
> iv) Search returns 3 documents (a, b, c)
> v) Now delete 'a'
> vi) Search still returns 3 documents including 'a'. Same behavior when you delete 'b'
and 'c' as well.
>     Can someone comment if this is the expected behavior?
>    Thanks & regards,
>     Naeem

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