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https://issues.apache.org/jira/browse/ARROW-11773?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andrew Lamb resolved ARROW-11773.
---------------------------------
Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 9575
[https://github.com/apache/arrow/pull/9575]
> [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
> Assignee: Andrew Lamb
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> 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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