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https://issues.apache.org/jira/browse/ARROW-11183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17261492#comment-17261492
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Chao Sun commented on ARROW-11183:
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I don't see TIMESTAMP_NANOS in the latest Parquet format spec:
https://github.com/apache/parquet-format/blame/master/src/main/thrift/parquet.thrift
> [Rust] [Parquet] LogicalType::TIMESTAMP_NANOS missing
> -----------------------------------------------------
>
> Key: ARROW-11183
> URL: https://issues.apache.org/jira/browse/ARROW-11183
> Project: Apache Arrow
> Issue Type: Improvement
> Reporter: Ivan Smirnov
> Priority: Major
>
> There's UnitTime::NANOS in parquet-format, but no nanosecond timestamp
> support (seemingly) in schema's LogicalType. What is needed to add support
> for nanosecond timestamps in Rust Parquet?
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