[SERVER-6429] $unwind keys in a document or subdocument and group by them without knowing all the field names beforehand. Created: 12/Jul/12 Updated: 19/Mar/13 Resolved: 14/Mar/13 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | Aggregation Framework |
| Affects Version/s: | 2.1.2 |
| Fix Version/s: | None |
| Type: | New Feature | Priority: | Major - P3 |
| Reporter: | Dorian | Assignee: | Unassigned |
| Resolution: | Duplicate | Votes: | 0 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
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| Description |
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Currently i can $unwind this: , , { country: "fr", n: 30} ] But i need to $unwind the keys in the "c" key or the "d" key (check attachment). Group page: https://groups.google.com/forum/?fromgroups#!topic/mongodb-user/kFW78PLVabU |