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https://issues.apache.org/jira/browse/DRILL-8007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17443238#comment-17443238
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ASF GitHub Bot commented on DRILL-8007:
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dzamo commented on pull request #2370:
URL: https://github.com/apache/drill/pull/2370#issuecomment-968209117
Two notes for any readers who might arrive here.
- Drill's internal representation of timestamps has millisecond precision,
microseconds are discarded on read.
- The read support added here is for the deprecated logical types
TIMESTAMP_MICROS and TIME_MICROS [described
here](https://github.com/apache/parquet-format/blob/master/LogicalTypes.md).
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> Problems with datetime in parquet files
> ---------------------------------------
>
> Key: DRILL-8007
> URL: https://issues.apache.org/jira/browse/DRILL-8007
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - Parquet
> Affects Versions: 1.19.0
> Reporter: Bjørn Jørgensen
> Assignee: Vova Vysotskyi
> Priority: Major
>
> Hi I did fill a bug in Apache spark for problems with datetime columns.
> Looks like Apache Drill only implements TIMESTAMP_MILLIS in Parquet.
> TIMESTAMP_MICROS is also Parquet standard but looks like the read path for
> this type seems missing in Drill.
>
> The bug report
> https://issues.apache.org/jira/browse/SPARK-36934
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