Max Gekk created SPARK-44778:
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Summary: Add the `TIMEDIFF` aliases for `TIMESTAMPDIFF()`
Key: SPARK-44778
URL: https://issues.apache.org/jira/browse/SPARK-44778
Project: Spark
Issue Type: New Feature
Components: SQL
Affects Versions: 3.3.0
Reporter: Max Gekk
Assignee: Max Gekk
Fix For: 3.3.0
Introduce the datediff()/date_diff() function, which takes three arguments:
unit, and two datetime expressions, i.e.,
{code:sql}
datediff(unit, startDatetime, endDatetime)
{code}
The function can be an alias to timestampdiff().
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