[ARROW-11055] [Rust] [DataFusion] Support date_trunc function

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0
• Component/s: Rust - DataFusion
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/26970
• Assignee: Unassigned
• Reporter: Pavel Tiunov
• Created: 29/Dec/20 00:00
• Updated: 11/Jan/23 08:17
• Resolved: 02/Jan/21 12:53

Description

Support date_trunc SQL function to truncate timestamps into the desired granularity similar to Postgres and other major SQL databases. For example

SELECT date_trunc(timestamp, 'day') as day, count(*) FROM orders GROUP BY day

Issue Links

• links to: GitHub Pull Request #9040