David Kegley created ARROW-8150:
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Summary: [Rust] Allow writing custom FileMetaData k/v pairs
Key: ARROW-8150
URL: https://issues.apache.org/jira/browse/ARROW-8150
Project: Apache Arrow
Issue Type: Improvement
Reporter: David Kegley
It would be nice to be able to write custom k/v metadata in the rust
implementation of parquet. It looks like there was a plan for this previously
but it has not been implemented yet.
[https://github.com/apache/arrow/blob/a1eb440c92ae1c8edc93bc9ae646a8e371d756c6/rust/parquet/src/file/writer.rs#L182]
I have a working implementation that adds a `key_value_metadata` field to the
`WriterProperties` struct
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