[SERVER-11831] Use documentFromBsonWithDeps in agg again Created: 22/Nov/13  Updated: 27/Oct/15  Resolved: 19/Dec/13

Status: Closed
Project: Core Server
Component/s: Aggregation Framework
Affects Version/s: None
Fix Version/s: 2.5.5

Type: Task Priority: Major - P3
Reporter: Mathias Stearn Assignee: Mathias Stearn
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Related
related to DOCS-3125 2.6 change - index cannot cover agg Closed
related to SERVER-11711 Make agg use new query framework Closed
is related to SERVER-12015 Reenable use of covering indexes with... Closed
Backwards Compatibility: Fully Compatible
Participants:

 Description   

It is significantly faster than using NQF projection code but prevents use of covered indexes.



 Comments   
Comment by Githook User [ 19/Dec/13 ]

Author:

{u'username': u'RedBeard0531', u'name': u'Mathias Stearn', u'email': u'mathias@10gen.com'}

Message: SERVER-11831 Use documentFromBsonWithDeps in agg again

This bypasses new query framework projection and replaces it with a much faster
dedicated code path. The downside is that it prevents using covering indexes
in the cases where that was allowed (SERVER-12015).
Branch: master
https://github.com/mongodb/mongo/commit/3e707bcd22b7c0e8275d25bf8e8b28c3cec4cc67

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