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Server Compat:
- 4.7
Quarter:
- FY22Q4
Upstream Changes Summary:

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DRIVERS-1788:
Drivers should add a new let option to find, findAndModify, update, and delete helper methods and sync CRUD unified spec tests with mongodb/specifications@1519da9.

For MongoDB 5.0+, the mentioned CRUD commands accept a let option of type object. This object consists of any amount of parameter names each followed by definitions of constants in the MQL Aggregate Expression language. Each parameter name is then usable to access the value of the corresponding MQL Expression with the "$$" syntax.

This ticket is a follow-up for DRIVERS-776

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DRIVERS-1788: Drivers should add a new let option to find, findAndModify, update, and delete helper methods and sync CRUD unified spec tests with mongodb/specifications@1519da9 . For MongoDB 5.0+, the mentioned CRUD commands accept a let option of type object. This object consists of any amount of parameter names each followed by definitions of constants in the MQL Aggregate Expression language. Each parameter name is then usable to access the value of the corresponding MQL Expression with the "$$" syntax. This ticket is a follow-up for DRIVERS-776

This ticket was split from DRIVERS-1788, please see that ticket for a detailed description.

causes

PYTHON-3137 Handle falsey values for "let" parameter

is duplicated by

MOTOR-842 Support 'let' option for multiple CRUD commands

is related to

PYTHON-3068 Add 'let' option to bulk_write models (UpdateOne, ReplaceOne, etc)