[SERVER-18427] Request for log and exponential arithmetic operators in aggregation pipeline Created: 12/May/15  Updated: 28/Oct/15  Resolved: 07/Aug/15

Status: Closed
Project: Core Server
Component/s: Aggregation Framework
Affects Version/s: None
Fix Version/s: 3.1.7

Type: New Feature Priority: Major - P3
Reporter: Bill Chute Assignee: James Cohan
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Related
related to CSHARP-1369 Request for log and exponential arith... Closed
is related to SERVER-7463 $percentile aggregation accumulator Backlog
is related to DRIVERS-234 Aggregation Builder Support for 3.2 Closed
Backwards Compatibility: Fully Compatible
Sprint: Quint Iteration 7
Participants:

 Description   

Specifically, the following would be useful:

  • $log10
  • $log
  • $ln
  • $pow
  • $exp

Original Request:
If we had logarithm and exponential arithmetic operators in the aggregation framework, I could move the last of my formulas out of mapReduce and into aggregation, with all the Good Things that would mean.



 Comments   
Comment by Githook User [ 07/Aug/15 ]

Author:

{u'username': u'jamesfcohan', u'name': u'James Cohan', u'email': u'james.cohan@10gen.com'}

Message: SERVER-18427 Adds $log, $log10, $ln, $pow, and $exp aggregation expressions
Branch: master
https://github.com/mongodb/mongo/commit/a8176cf1da9fdbcc48334bfb3c71fedf37e77879

Comment by Githook User [ 04/Aug/15 ]

Author:

{u'username': u'jamesfcohan', u'name': u'James Cohan', u'email': u'james.cohan@10gen.com'}

Message: Revert "SERVER-18427 Adds $log, $log10, $ln, $pow, and $exp aggregation expressions"

This reverts commit f0541cc1f7f9cf1987aaf392dcb2328f71d6d232.
Branch: master
https://github.com/mongodb/mongo/commit/6ba08bc5bdcd4f41899a0fc7c8a60cbc3aed1102

Comment by Githook User [ 31/Jul/15 ]

Author:

{u'username': u'jamesfcohan', u'name': u'James Cohan', u'email': u'james.cohan@10gen.com'}

Message: SERVER-18427 Adds $log, $log10, $ln, $pow, and $exp aggregation expressions
Branch: master
https://github.com/mongodb/mongo/commit/f0541cc1f7f9cf1987aaf392dcb2328f71d6d232

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