Re: Need help on aggregation of nested documents

2021-11-15 Thread Gopal Sharma
Hi Adrien, Thanks for the reply. I am able to retrieve the child docId's using the .ToChildBlockJoinQuery. Now for me to do aggregates i need to find the document using reader.document(int docID) right?. If that is the case won't getting all the documents would be a costly operation and then fina

Re: Need help on aggregation of nested documents

2021-11-15 Thread Adrien Grand
It's not straightforward as we don't provide high-level tooling to do this. You need to use the BitSetProducer that you pass to the ToParentBlockJoinQuery in order to resolve the range of child doc IDs for a given parent doc ID (see e.g. how ToChildBlockJoinQuery does it), and then aggregate over t