Operational Defect Database
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MongoDB | 2614793
Make hashing function of ExpressionFieldPath consistent with its comparison function.
Last update date:
3/21/2024
Affected products:
MongoDB Server
Affected releases:
No affected releases provided.
Fixed releases:
No fixed releases provided.
Description:
Info
`ExpressionFieldPath::serialize` which is used for comparison does not take into account `variableId`, while its hash function does use `variableId` to compute its hash. As a result two identical expressions which define the same variables using `let` sub expression can have different hash values just because their `variableId`s fields are different.
Top User Comments
xgen-internal-githook commented on Thu, 21 Mar 2024 00:12:03 +0000: Author: {'name': 'Alexander Ignatyev', 'email': 'alexander.ignatyev@mongodb.com', 'username': 'aligusnet'} Message: SERVER-88288 Make hashing function of ExpressionFieldPath consistent with its comparison function (#20214) GitOrigin-RevId: 96a943f40281981f13041a84bce738d17e96e9f4 Branch: master https://github.com/mongodb/mongo/commit/b7c7077d423e5abe02cd99a714581c84d182c8f0
Steps to Reproduce
