[SERVER-41715] [FLE] Agg expression output schema should use unknown node for mixed schema outputs Created: 13/Jun/19  Updated: 29/Oct/23  Resolved: 19/Jun/19

Status: Closed
Project: Core Server
Component/s: Aggregation Framework
Affects Version/s: None
Fix Version/s: 4.2.0-rc2, 4.3.1

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

Issue Links:
Backports
Backwards Compatibility: Fully Compatible
Backport Requested:
v4.2
Sprint: Query 2019-06-17, Query 2019-07-01
Participants:

 Comments   
Comment by Githook User [ 19/Jun/19 ]

Author:

{'name': 'Nick Zolnierz', 'email': 'nicholas.zolnierz@mongodb.com', 'username': 'nzolnierzmdb'}

Message: SERVER-41715 Agg expression output schema should use unknown node for
mixed schema outputs

(cherry picked from commit f6a6524ddd7b6029f4001ff65822e58235019a43)
Branch: v4.2
https://github.com/10gen/mongo-enterprise-modules/commit/f488c97276d934f744e36e55f39cf042ff7bf2e3

Comment by Githook User [ 19/Jun/19 ]

Author:

{'name': 'Nick Zolnierz', 'email': 'nicholas.zolnierz@mongodb.com', 'username': 'nzolnierzmdb'}

Message: SERVER-41715 Agg expression output schema should use unknown node for
mixed schema outputs
Branch: master
https://github.com/10gen/mongo-enterprise-modules/commit/f6a6524ddd7b6029f4001ff65822e58235019a43

Comment by Nicholas Zolnierz [ 14/Jun/19 ]

Per discussion with Jacob, this ticket should also check whether the result of the expression is being used to compare fields between 2 documents (e.g. $group key). If so, mixed schema is allowed as long as it's between an encrypted field and a literal. 

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