You could try simply doing a not query to find all those docs that do not contain the child fields like -fq=<child-field>:* Since the index is flat, the "children" are like any other fields to lucene and so this should work
On Thu, 17 Dec 2015, 04:33 Novin <toe.al...@gmail.com> wrote: > "Index the number of children into the parent as an integer" is nice and > easy solution. But I would like to know about" > > You could probably do that inside an UpdateProcessor, even using the > Javascript ScriptUpdateProcessor. Probably simpler though in the code > that pushes the docs to Solr." either. > Can you point me to any documentation related to above, would be very > helpful. > > Thanks > > > On 16/12/2015 21:52, Upayavira wrote: > > So that's a good question - how do you identify parent documents that > > *do not* have child documents. > > > > I'm not sure how you would do that. However, you could index the number > > of children into the parent as an integer, then it would be easy. > > > > You could probably do that inside an UpdateProcessor, even using the > > Javascript ScriptUpdateProcessor. Probably simpler though in the code > > that pushes the docs to Solr. > > > > Upayavira > > > > On Wed, Dec 16, 2015, at 09:05 PM, Novin Novin wrote: > >> Hi Scott, > >> > >> Actually, it is not multi value field. it is nested document. > >> > >> Novin > >> > >> On 16 December 2015 at 20:33, Scott Stults < > >> sstu...@opensourceconnections.com> wrote: > >> > >>> Hi Novin, > >>> > >>> How are you associating parents with children? Is it a "children" > >>> multivalued field in the parent record? If so you could query for > records > >>> that don't have a value in that field like "-children:[* TO *]" > >>> > >>> k/r, > >>> Scott > >>> > >>> On Wed, Dec 16, 2015 at 7:29 AM, Novin Novin <toe.al...@gmail.com> > wrote: > >>> > >>>> Hi guys, > >>>> > >>>> I have few parent index without child, what would wold be the query > for > >>>> those to get? > >>>> > >>>> Thanks, > >>>> Novin > >>>> > >>> > >>> > >>> -- > >>> Scott Stults | Founder & Solutions Architect | OpenSource Connections, > LLC > >>> | 434.409.2780 > >>> http://www.opensourceconnections.com > >>> > > -- Regards, Binoy Dalal