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https://issues.apache.org/jira/browse/SPARK-33646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-33646:
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Assignee: Apache Spark (was: Gengliang Wang)
> Add new function DATE_FROM_UNIX_DATE and UNIX_DATE
> --------------------------------------------------
>
> Key: SPARK-33646
> URL: https://issues.apache.org/jira/browse/SPARK-33646
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Gengliang Wang
> Assignee: Apache Spark
> Priority: Major
>
> h2. What changes were proposed in this pull request?
> Add new functions DATE_FROM_UNIX_DATE and UNIX_DATE for conversion between
> Date type and Numeric types.
> h2. Why are the changes needed?
> 1. Explicit conversion between Date type and Numeric types is disallowed in
> ANSI mode. We need to provide new functions for users to complete the
> conversion.
> 2. We have introduced new functions from Bigquery for conversion between
> Timestamp type and Numeric types: TIMESTAMP_SECONDS, TIMESTAMP_MILLIS,
> TIMESTAMP_MICROS , UNIX_SECONDS, UNIX_MILLIS, and UNIX_MICROS. It makes sense
> to add functions for conversion between Date type and Numeric types as well.
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