Created
November 30, 2023 16:43
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| db.collection.aggregate([ | |
| { $unwind: "$id" }, | |
| { $group: { | |
| _id: "$id", | |
| titles: { $push: "$title" } | |
| }}, | |
| { $group: { | |
| _id: null, | |
| distinctDocuments: { $push: { id: "$_id", title: { $first: "$titles" } } } | |
| }}, | |
| { $project: { | |
| _id: 0, | |
| distinctDocuments: 1 | |
| }} | |
| ]) |
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