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https://issues.apache.org/jira/browse/SPARK-41290?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allison Portis updated SPARK-41290:
-----------------------------------
Description:
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 them.
was:
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}
> 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
>
> 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 them.
>
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