[SERVER-7834] Sequences - mongodb should be able to implement sequences Created: 04/Dec/12  Updated: 15/Apr/13  Resolved: 15/Dec/12

Status: Closed
Project: Core Server
Component/s: Internal Code
Affects Version/s: None
Fix Version/s: None

Type: New Feature Priority: Minor - P4
Reporter: Norberto Fernando Rocha Leite (Inactive) Assignee: Unassigned
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   

Sequences are widely used feature on the RDBMS world and are a common usage of usage. On mongodb most of the times we hand up either making ad-hoc implementations of unique values and counters. We can implement sequences using capped collections and findandmodify but most of the times this is not transparent for users.



 Comments   
Comment by Eliot Horowitz (Inactive) [ 15/Dec/12 ]

A true sequence doesn't scale well.
Any feature we add is required to work well with sharding.

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