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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2026/06/02 17:56:00 UTC
[jira] [Resolved] (SPARK-55689) Support schema evolution in DSv2 INSERTs
[ https://issues.apache.org/jira/browse/SPARK-55689?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wenchen Fan resolved SPARK-55689.
---------------------------------
Fix Version/s: 4.2.0
Assignee: Johan Lasperas
Resolution: Fixed
> Support schema evolution in DSv2 INSERTs
> ----------------------------------------
>
> Key: SPARK-55689
> URL: https://issues.apache.org/jira/browse/SPARK-55689
> Project: Spark
> Issue Type: Umbrella
> Components: SQL
> Affects Versions: 4.2.0
> Reporter: Johan Lasperas
> Assignee: Johan Lasperas
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.2.0
>
>
> Allow the schema of a table to be updated during INSERT operations - before the data is written - when the (DSv2) table reports capability
> `AUTOMATIC_SCHEMA_EVOLUTION`.
>
> Initially allow new columns and nested struct fields present in the source query to be added to the target table when these don't exist in the target schema.
> This follows up on similar work to add support for schema evolution in MERGE INTO: https://issues.apache.org/jira/browse/SPARK-54274
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