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https://issues.apache.org/jira/browse/ARROW-9062?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sven Wagner-Boysen updated ARROW-9062:
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Component/s: Rust
> [Rust] Support to read JSON into dictionary type
> ------------------------------------------------
>
> Key: ARROW-9062
> URL: https://issues.apache.org/jira/browse/ARROW-9062
> Project: Apache Arrow
> Issue Type: Sub-task
> Components: Rust
> Reporter: Sven Wagner-Boysen
> Priority: Minor
>
> Currently a JSON reader build from a schema using the type dictionary for one
> of the fields in the schema will fail with JsonError("struct types are not
> yet supported")
> {code:java}
> let builder = ReaderBuilder::new().with_schema(..)
> let mut reader: Reader<File> =
> builder.build::<File>(File::open(path).unwrap()).unwrap();
> let rb = reader.next().unwrap()
> {code}
>
> Suggested solution:
> Support reading into a dictionary in Json Reader:
> [https://github.com/apache/arrow/blob/master/rust/arrow/src/json/reader.rs#L368]
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