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https://issues.apache.org/jira/browse/SPARK-29365?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan updated SPARK-29365:
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Parent Issue: SPARK-31415 (was: SPARK-27764)
> Support date and timestamp subtraction
> ---------------------------------------
>
> Key: SPARK-29365
> URL: https://issues.apache.org/jira/browse/SPARK-29365
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 2.4.4
> Reporter: Maxim Gekk
> Priority: Minor
> Fix For: 3.0.0
>
>
> PostgreSQL supports subtraction dates and timestamps:
> {code}
> maxim=# select date'2020-01-01' - timestamp'2019-10-06 10:11:12.345678';
> ?column?
> -------------------------
> 86 days 13:48:47.654322
> (1 row)
> maxim=# select timestamp'2019-10-06 10:11:12.345678' - date'2020-01-01';
> ?column?
> ---------------------------
> -86 days -13:48:47.654322
> (1 row)
> {code}
> Need to provide the same feature in Spark SQL.
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