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https://issues.apache.org/jira/browse/ARROW-12391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Neal Richardson updated ARROW-12391:
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Fix Version/s: (was: 4.0.0)
5.0.0
> [Rust][DataFusion] Implement date_trunc() function
> --------------------------------------------------
>
> Key: ARROW-12391
> URL: https://issues.apache.org/jira/browse/ARROW-12391
> Project: Apache Arrow
> Issue Type: New Feature
> Components: Rust - DataFusion
> Affects Versions: 3.0.0
> Reporter: Evan Chan
> Priority: Major
> Fix For: 5.0.0
>
>
> Implement the date_trunc function, as described in this PostGres manual:
> [https://www.postgresql.org/docs/current/functions-datetime.html#FUNCTIONS-DATETIME-TRUNC]
>
> This would allow for the following use cases to be solved:
> * casting of timestamps to other resolutions, such as millis and micros
> * rounding dates/timestamps
> It also allows the user to explicitly allow the truncation of timestamp
> precision.
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