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1. cross cluster lookup (kind of)

   Hi,
   This is more of an add-on request for the aggregate().

   Lets say we have two clusters , second clusters is derived from first cluster ( i-e some of the object ids in second cluster exist only in first cluster ).

   Now I want to do a lookup for the id in the first cluster from the second cluster , which is not possible.

   So , can we have another optional parameter in the aggregate function which allows us to pass the documents , over which we can apply the required stages ( i-e after using find() on cluster 2 , I will pass the result into an aggregate() call for cluster 1 ).

   example query ->
   db1 points to cluster1
   db2 point to cluster2.

   I am working on Node.js -
   let result=[];
   let response = await db2.find().forEach(item=>{
   result.push(item);
   });

   let lookupResponse = await db1.aggregate([<stages>],{},result);

   Here in the second query , the documents in which the aggregate stages should work
   is the documents present in the variable 'result'.

   I hope I was able to explain my idea.
   It would really help if this is added in the next update.

   Thanks,
   Dushyant.

   Hi,
   This is more of an add-on request for the aggregate().

   Lets say we have two clusters , second clusters is derived from first cluster ( i-e some of the object ids in second cluster exist only in first cluster ).

   Now I want to do a lookup for the id in the first cluster from the second cluster , which is not possible.

   So , can we have another optional parameter in the aggregate function which allows us to pass the documents , over which we can apply the required stages ( i-e after using find() on cluster 2… more

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   under review  ·  1 comment  ·  Aggregation pipeline builder  ·  Delete…  ·  Admin →
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