Details
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Improvement
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Status: Closed
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Major - P3
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Resolution: Done
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None
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Major Change
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Query 11 (03/14/16), Query 12 (04/04/16)
Description
Example Order Document:
{
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_id: ObjectId("..."),
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products: [ ObjectId("..<Car ObjectId>.."), ObjectId("..<Bike ObjectId>..") ]
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}
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Not Working Query:
db.orders.aggregate([ {
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$lookup: {
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from: "products",
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localField: "products", <= array of IDs
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foreignField: "_id",
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as: "productObjects"
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}
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} ])
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Desired Result
{
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_id: ObjectId("..."),
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products: [
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ObjectId("..<Car ObjectId>.."),
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ObjectId("..<Bike ObjectId>..")
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],
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productObjects: [
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{<Car Object>},
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{<Bike Object>}
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],
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}
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source: http://stackoverflow.com/questions/34967482/lookup-on-objectids-in-an-array
Attachments
Issue Links
- is documented by
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DOCS-8930 lookup between local (multiple)array of values and foreign (single) value
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- Closed
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- is duplicated by
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SERVER-21469 $lookup is not working in case of the localField is array
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- Closed
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- Closed
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- is related to
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- Closed
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- related to
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DOCS-12756 Update documentation regarding using $lookup on array as localField
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- Closed
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