Describe the enhancement requested
The Arrow extension module contains RapidJSON usage for JSON parsing and deserialization under cpp/src/arrow/extension.
Replace the remaining RapidJSON usage with the existing simdjson helpers and On-Demand API, migrating the extension components incrementally while preserving existing behavior and validation.
Additional context
Parent Issue: GH-35460.
Component(s)
C++
Describe the enhancement requested
The Arrow extension module contains RapidJSON usage for JSON parsing and deserialization under
cpp/src/arrow/extension.Replace the remaining RapidJSON usage with the existing simdjson helpers and On-Demand API, migrating the extension components incrementally while preserving existing behavior and validation.
Additional context
Parent Issue: GH-35460.
Component(s)
C++