[SERVER-58577] Implement BSONColumn Created: 15/Jul/21  Updated: 29/Oct/23  Resolved: 24/Aug/21

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: 5.1.0-rc0

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

Issue Links:
Depends
depends on SERVER-58681 Split up Simple8b in separate classes... Closed
Backwards Compatibility: Fully Compatible
Sprint: Execution Team 2021-08-23, Execution Team 2021-09-06
Participants:

 Description   

Implement a BSONColumn class to interpret a BSON subtype 7 buffer.

Provides forward iteration with value type pair<int, BSONElement>. Index and BSON element value.

Returned BSONElement will have empty fieldName.

Manages memory for BSONElement's constructed from delta values



 Comments   
Comment by Vivian Ge (Inactive) [ 06/Oct/21 ]

Updating the fixversion since branching activities occurred yesterday. This ticket will be in rc0 when it’s been triggered. For more active release information, please keep an eye on #server-release. Thank you!

Comment by Githook User [ 24/Aug/21 ]

Author:

{'name': 'Henrik Edin', 'email': 'henrik.edin@mongodb.com', 'username': 'henrikedin'}

Message: SERVER-58577 Add BSONColumn to interpret BSON Binary Subtype 7 data.

BSONColumn provides forward iteration over BSON Binary Subtype 7 data
Decompressed BSONElement from deltas need to be re-materialized.
BSONColumn manage this memory and any BSONElement reference has the same lifetime as BSONColumn.
Branch: master
https://github.com/mongodb/mongo/commit/2873b99f1f7477d7053504dcd3f0caa68745f506

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