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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2023/02/27 08:43:00 UTC
[jira] [Resolved] (SPARK-41290) Support GENERATED ALWAYS AS syntax in create/replace table to create a generated column
[ https://issues.apache.org/jira/browse/SPARK-41290?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wenchen Fan resolved SPARK-41290.
---------------------------------
Fix Version/s: 3.4.0
Resolution: Fixed
Issue resolved by pull request 38823
[https://github.com/apache/spark/pull/38823]
> Support GENERATED ALWAYS AS syntax in create/replace table to create a generated column
> ---------------------------------------------------------------------------------------
>
> Key: SPARK-41290
> URL: https://issues.apache.org/jira/browse/SPARK-41290
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Affects Versions: 3.4.0
> Reporter: Allison Portis
> Priority: Major
> Fix For: 3.4.0
>
>
> Support GENERATED ALWAYS AS syntax for defining generated columns in create table and replace table.
> For example,
> {code:java}
> CREATE TABLE default.example (
> time TIMESTAMP,
> date DATE GENERATED ALWAYS AS (CAST(time AS DATE))
> )
> {code}
>
> This syntax is SQL standard and will enable defining generated columns in Spark SQL for data sources that support it.
>
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