Max Gekk created SPARK-38389:
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Summary: Add the `DATEDIFF` and `DATE_DIFF` aliases for
`TIMESTAMPDIFF()`
Key: SPARK-38389
URL: https://issues.apache.org/jira/browse/SPARK-38389
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 dateadd() function, which takes three arguments: unit, number of
units and datetime expression, i.e.,
{code:sql}
dateadd(unit, number_of_units, expr)
{code}
The function can be an alias to timestampadd().
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