Anurag Mantripragada created IMPALA-9017:
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Summary: Alter table events should be skipped if the table/db is
not found in the catalog.
Key: IMPALA-9017
URL: https://issues.apache.org/jira/browse/IMPALA-9017
Project: IMPALA
Issue Type: Bug
Components: Frontend
Reporter: Anurag Mantripragada
Assignee: Anurag Mantripragada
Currently, a sequence of alter_table, drop_table/db puts the events processor
in an error state since the table/database are already dropped. However, it is
safe to skip such events because the catalog is not aware of such tables
because of either of the reasons:
# The table creation event is missed by the catalog - this means the events
processor is already in error state.
# The table was later dropped/renamed.
In either case, it doesn't make sense to try to add the table to catalog.
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