[SERVER-16308] Emitting arrays as ids in the map() function of the MR framework should not be allowed Created: 25/Nov/14  Updated: 06/Dec/22

Status: Backlog
Project: Core Server
Component/s: MapReduce
Affects Version/s: None
Fix Version/s: None

Type: Task Priority: Major - P3
Reporter: Alexander Komyagin Assignee: Backlog - Query Execution
Resolution: Unresolved Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Related
is related to SERVER-15552 Errors writing to temporary collectio... Closed
Assigned Teams:
Query Execution
Participants:

 Description   

Array-ids don't make much sense there, and we build a unique index on them, which almost certainly won't work the way users think, as it indexes individual elements inside those arrays.

I think we should explicitly disallow emitting arrays as ids in the map() function, and throw an error.


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