[ http://issues.apache.org/jira/browse/DERBY-1068?page=all ]
Mike Matrigali reassigned DERBY-1068:
-------------------------------------
Assign To: Mike Matrigali
> change of store contract: online compress operations should not share any
> locks with user transactions
> ------------------------------------------------------------------------------------------------------
>
> Key: DERBY-1068
> URL: http://issues.apache.org/jira/browse/DERBY-1068
> Project: Derby
> Type: Improvement
> Components: Store
> Reporter: Andreas Korneliussen
> Assignee: Mike Matrigali
> Priority: Minor
>
> Propose to add the following to the store contract:
> * truncate and compress requires exclusive table locking
> * the truncate, purge and compress operations do not share any locks with
> user transactions
> Currently the store implementation allows users to share locks in truncate
> and possibly purge.
> This request is driven by:
> http://www.nabble.com/conflict-detection-strategies-t1120376.html#a2938142
> and:
> http://www.nabble.com/RowLocation-contract-from-storage-engine-t1142235.html#a2994156
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