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HIVE-28668: Hive should emit fewer events for truncate table operation #5582

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What changes were proposed in this pull request?

Currently, we emit twice the number of events for each table/partition for truncate operation. This patch removes this redundant events.

Why are the changes needed?

Having fewer events help external systems that consume these events to catch up with the quantum of events faster.

Does this PR introduce any user-facing change?

No.

Is the change a dependency upgrade?

No.

How was this patch tested?

Added unit test for the patch

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