[jira] [Commented] (SPARK-22405) Enrich the event information and add new event of ExternalCatalogEvent

["Saisai Shao (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-22405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16226468#comment-16226468 ] 

Saisai Shao commented on SPARK-22405:
-------------------------------------

This is the WIP branch (https://github.com/jerryshao/apache-spark/tree/SPARK-22405).

[~cloud_fan], do you think this proposal is feasible or not?

> Enrich the event information and add new event of ExternalCatalogEvent
> ----------------------------------------------------------------------
>
>                 Key: SPARK-22405
>                 URL: https://issues.apache.org/jira/browse/SPARK-22405
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.2.0
>            Reporter: Saisai Shao
>            Priority: Minor
>
> We're building a data lineage tool in which we need to monitor the metadata changes in {{ExternalCatalog}}, current {{ExternalCatalog}} already provides several useful events like "CreateDatabaseEvent" for custom SparkListener to use. But the information provided by such event is not rich enough, for example {{CreateTablePreEvent}} only provides "database" name and "table" name, not all the table metadata, which is hard for user to get all the table related useful information.
> So here propose to and new {{ExternalCatalogEvent}} and enrich the current existing events for all the catalog related updates.



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