[SERVER-34009] Remove support for 3.6 $mergeCursors serialization format Created: 20/Mar/18  Updated: 29/Oct/23  Resolved: 03/Jul/18

Status: Closed
Project: Core Server
Component/s: Aggregation Framework
Affects Version/s: None
Fix Version/s: 4.1.1

Type: Task Priority: Major - P3
Reporter: Charlie Swanson Assignee: Charlie Swanson
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Related
is related to SERVER-35119 Enumerate and remove Query-related Fe... Closed
is related to SERVER-33323 Refactor $mergeCursors stage to allow... Closed
Backwards Compatibility: Fully Compatible
Sprint: Query 2018-06-18, Query 2018-07-02, Query 2018-07-16
Participants:

 Description   

Once we no longer support clusters with a 3.6 mongos, we should remove the code to parse the 3.6 $mergeCursors serialization format, which was changed as part of SERVER-33323.



 Comments   
Comment by Githook User [ 03/Jul/18 ]

Author:

{'username': 'cswanson310', 'name': 'Charlie Swanson', 'email': 'charlie.swanson@mongodb.com'}

Message: SERVER-34009 Remove old version of $mergeCursors
Branch: master
https://github.com/mongodb/mongo/commit/c355aa9faac4df1ecfe7ad4bd5e20622433ef66e

Comment by Charlie Swanson [ 12/Jun/18 ]

Bringing this into the current sprint since it is related to SERVER-35119.

Comment by Charlie Swanson [ 20/Mar/18 ]

We should also remove the DocumentSourceSort::_mergingPresorted flag and associated logic.

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