RUST-2174 feat(extjson): parse legacy {"$date": <ms since epoch>}
#519
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According to the specification, there exists a legacy Extended JSON form of Datetime
https://github.com/mongodb/specifications/blob/master/source/extended-json/extended-json.md#datetime
Specially, this legacy form is called
JsonMode.STRICT
in the JavaJsonWriterSettings
, while the canonical form isJsonMode.EXTENDED
. The former is still used by the Debezium connector for MongoDB.This PR adds the ability to parse such legacy format, without conflicting with the standard ones.