mahesh kumar behera created HIVE-21770:
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Summary: Support extraction of replication spec from notification
event.
Key: HIVE-21770
URL: https://issues.apache.org/jira/browse/HIVE-21770
Project: Hive
Issue Type: Sub-task
Components: HiveServer2, repl
Affects Versions: 4.0.0
Reporter: mahesh kumar behera
Assignee: mahesh kumar behera
Fix For: 4.0.0
The notification event structure currently does not have the partition spec.
Events which can span across multiple databases and tables, the database and
table info can not be obtained from the event structure. To know the event is
added for which partition, the event message has to be deserialized and the
partition information can be obtained from it.
* Each event handler has to expose a static API.
* The API should take the event as input and return the list of db name, table
name and partition spec from it.
* If database name, table name or partition name is present in the event
structure, then return it. If all these info are present then no need to
deserialize the message. Later if these info are added to the event structure
then it will be useful.
* Deserialize the message and create the list of name and return through a
partition info class object.
* If the table is not partitioned or is table level event, then set the
partition info as null. Same for table info incase of db level events.
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