[SERVER-1138] Array.sum should sum all fields in Array of objects. Created: 20/May/10 Updated: 14/Apr/16 Resolved: 15/Jan/16 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | JavaScript |
| Affects Version/s: | None |
| Fix Version/s: | None |
| Type: | New Feature | Priority: | Minor - P4 |
| Reporter: | Mathias Stearn | Assignee: | DO NOT USE - Backlog - Platform Team |
| Resolution: | Won't Fix | Votes: | 0 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Backwards Compatibility: | Fully Compatible |
| Participants: |
| Description |
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If we implement in C++ we may get huge gain in MR perf. example Array.sum([ , {a:5, b:4, c:1}]) == {a:10, b:6, c:1} |
| Comments |
| Comment by Eliot Horowitz (Inactive) [ 16/Jan/11 ] |
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given we're going to be doing a different aggregation framework, not sure if this is needed |