Anton Okolnychyi created SPARK-33623:
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Summary: Add canDeleteWhere to SupportsDelete
Key: SPARK-33623
URL: https://issues.apache.org/jira/browse/SPARK-33623
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.1.0
Reporter: Anton Okolnychyi
The only way to support delete statements right now is to implement
\{{SupportsDelete}}. According to its Javadoc, that interface is meant for
cases when we can delete data without much effort (e.g. like deleting a
complete partition in a Hive table). It is clear we need a more sophisticated
API for row-level deletes. That's why it would be beneficial to add a method to
\{{SupportsDelete}} so that Spark can check if a source can easily delete data
with just having filters or it will need a full rewrite later on. This way, we
have more control in the future.
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