Eugene Koifman created HIVE-16688:
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Summary: Make sure Alter Table to set transaction=true acquires X
lock
Key: HIVE-16688
URL: https://issues.apache.org/jira/browse/HIVE-16688
Project: Hive
Issue Type: Sub-task
Components: Transactions
Affects Versions: 1.3.0
Reporter: Eugene Koifman
Assignee: Eugene Koifman
suppose we have non-acid table with some data
An insert op starts (long running)
An alter table runs to add (transactional=true)
An update is run which will read the list of "original" files and assign IDs on
the fly which are written to a delta file.
The long running insert completes.
Another update is run which now sees a different set of "original" files and
will (most likely) assign different IDs.
Need to make sure to mutex this
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