ebyhr opened a new pull request, #16096:
URL: https://github.com/apache/iceberg/pull/16096
# Summary
Add support for the CASCADE option in DROP NAMESPACE statements in Spark 4.1.
When CASCADE is specified, the operation recursively drops all nested
namespaces, tables,
and views within the target namespace before dropping the namespace itself.
# Implementation
- Modified SparkCatalog and SparkSessionCatalog to handle the cascade
parameter
- When cascade=true, the implementation:
- Recursively drops all nested namespaces
- Drops all tables in the namespace
- Drops all views in the namespace
- Finally drops the namespace itself
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