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HIVE-28987: Iceberg: A faulty query predicate can compromise transaction isolation #5839

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@deniskuzZ deniskuzZ commented Jun 2, 2025

What changes were proposed in this pull request?

Enable conflict detection filter only when plan contains 1 TableScan Operator for a table

Why are the changes needed?

BugFix

Does this PR introduce any user-facing change?

No

How was this patch tested?

Cluster + locally
https://issues.apache.org/jira/secure/attachment/13076866/iceberg_atomic_merge_update.q

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deniskuzZ commented Jun 6, 2025

@simhadri-g, do you recall we have you combined using and predicates from all the TableScan operators in order to construct the final iceberg commit filter?

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@kasakrisz, @zabetak isn't it possible to find a top level table scan operator for a specific table based on DAG plan?

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