Jackson Westeen created SPARK-30244:
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Summary: Emit pre/post events for "Partition" methods in
ExternalCatalogWithListener
Key: SPARK-30244
URL: https://issues.apache.org/jira/browse/SPARK-30244
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.4.4
Reporter: Jackson Westeen
Many of the methods in `ExternalCatalogWithListener` support emitting pre/post
events to the ListenerBus when delegating calls to the underlying
ExternalCatalog implementation.
Is there a reason the "Partition" series of methods don't support this feature?
[https://github.com/apache/spark/blob/v2.4.4/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/ExternalCatalogWithListener.scala#L193]
We're looking to hook into post "ALTER TABLE ADD PARTITION" calls, so we can
publish a message to Kafka for example, whenever new partitions are added to
the metastore.
It appears there's already event hooks for createDatabase / createTable.. but
not createPartition. Would you consider adding hooks here? Or is there a better
way to hook into to successful "ALTER TABLE ADD PARTITION" calls and subscribe
to changes in partition status?
Thank you!
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