Support hex conversion and binary operators in aggregation framework
The aggregation framework lacks function for HEX <-> Number conversion and binary operations. Such functions are common in almost every programming language.
Typically and most required operations would be:
- convert Int/Long to Hex
- convert Hex to Int/Long
- Create BinData from Hex string
- Get Hex string of BinData
- Binary AND
- Binary OR
- Binary XOR
- Binary NOT (i.e. complement)
Some of these functions are available in mongo shell or in Bitwise Query Operators but they do not exist in aggregation framework.
For details see https://jira.mongodb.org/browse/SERVER-55386
This request becomes more urgent, because starting in MongoDB 8.0, server-side JavaScript functions ($accumulator, $function, $where) are deprecated.
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