[SERVER-55622] [SBE] Reimplement BSONElementHasher using SBE values Created: 30/Mar/21  Updated: 06/Dec/22

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

Type: Bug Priority: Major - P3
Reporter: Martin Neupauer Assignee: Backlog - Query Execution
Resolution: Unresolved Votes: 0
Labels: sbe-post-v1
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Related
related to SERVER-55092 [SBE] Fix shard filtering for hashed ... Closed
Assigned Teams:
Query Execution
Operating System: ALL
Participants:

 Description   

When computing a hash value inside SBE we call BSONElementHasher in order to be compatible with other parts of the system (e.g. sharding).

However, that computation may be expensive as we roundtrip through BSONObj. That's rather undesirable.


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