On Wed, Apr 13, 2022 at 05:52:14AM -0500, Justin Pryzby wrote: > Are you sure? The ownership re-check in cluster_rel() occurs after acquiring > locks.
Yep, you are right. However, the SQL test does not check for this blocking scenario. In short, removing the new ACL check in get_tables_to_cluster_partitioned() makes the test behave the same way. Could you implement an isolation check to make sure that the difference is visible? The SQL check looks useful in itself, either way. -- Michael
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