[SERVER-250] server should support map/reduce operations Created: 23/Aug/09 Updated: 10/Sep/09 Resolved: 23/Aug/09 |
|
| Status: | Closed |
| Project: | Core Server |
| Component/s: | None |
| Affects Version/s: | None |
| Fix Version/s: | None |
| Type: | New Feature | Priority: | Major - P3 |
| Reporter: | Dwight Merriman | Assignee: | Eliot Horowitz (Inactive) |
| Resolution: | Duplicate | Votes: | 0 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Participants: |
| Description |
|
This is very similar to group() except group only allows a single key to be extracted per object; map would allow emitting several. And use the map / reduce nomenclature. Needs to work with mongos too. db.coll.mapreduce(queryexpr, mapf, reducef); db.stuff.mapreduce( );} }, ; ); |
| Comments |
| Comment by Eliot Horowitz (Inactive) [ 10/Sep/09 ] |
|
closed b/c resolved more than 2 week ago |
| Comment by Eliot Horowitz (Inactive) [ 23/Aug/09 ] |
|
dup of |