[GitHub] [arrow] alamb opened a new pull request #9968: ARROW-12267: [Rust] JSON writer does not support timestamp types

[GitBox]

alamb opened a new pull request #9968:
URL: https://github.com/apache/arrow/pull/9968


   # Rationale
   I want to write timestamps to JSON and when I did so I got a panic :)
   
   When I tried to write a`TimestampNanosecondArray` I got the following error:
   
   ```
   thread 'influxdb_ioxd::http::tests::test_query_json' panicked at 
'Unsupported datatype: Timestamp(
       Nanosecond,
       None,
   )', 
/Users/alamb/.cargo/git/checkouts/arrow-3a9cfebb6b7b2bdc/3e825a7/rust/arrow/src/json/writer.rs:326:13
   note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
   ```
   
   # Changes
   Add support for DataType::Timestamp. 


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