Andrew Lamb created ARROW-11773:
-----------------------------------
Summary: [Rust] Allow json writer to write out JSON arrays as well
as newline formatted objects
Key: ARROW-11773
URL: https://issues.apache.org/jira/browse/ARROW-11773
Project: Apache Arrow
Issue Type: Improvement
Components: Rust
Reporter: Andrew Lamb
Currently the arrow json writer makes JSON that looks like this (one record per
line):
```
{"foo":1}
{"bar":1}
```
Whereas a JSON array looks like this
```
[
{"foo":1},
{"bar":1}
]
```
It would be nice to write out json in a streaming fashion (we added such a
feature in IOx via https://github.com/influxdata/influxdb_iox/pull/870/files)
/// Writes out well formed JSON arays in a streaming fashion
///
/// [{"foo": "bar"}, {"foo": "baz"}]
///
/// This is based on the arrow JSON writer (json::writer::Writer)
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