Created
November 3, 2017 14:21
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MongoDb combine $facet results into a single result set.
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| db.getCollection('list').aggregate([ | |
| { | |
| $facet: { | |
| "events":[{ | |
| $match: { | |
| 'type': 'Event' | |
| } | |
| }], | |
| "tasks": [{ | |
| $match: { | |
| 'type': 'Task' | |
| } | |
| }] | |
| } | |
| }, | |
| {$project: {activity:{$setUnion:['$events','$tasks']}}}, | |
| {$unwind: '$activity'}, | |
| {$replaceRoot: { newRoot: "$activity" }} | |
| ]); |
How would you apply skip and limit on the combined results?
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How would you apply skip and limit on the combined results?