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Commit 8b5b2e27 authored by lianhuiwang's avatar lianhuiwang Committed by Wenchen Fan
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[SPARK-20986][SQL] Reset table's statistics after PruneFileSourcePartitions rule. 

## What changes were proposed in this pull request?
After PruneFileSourcePartitions rule, It needs reset table's statistics because PruneFileSourcePartitions can filter some unnecessary partitions. So the statistics need to be changed.

## How was this patch tested?
add unit test.

Author: lianhuiwang <lianhuiwang09@gmail.com>

Closes #18205 from lianhuiwang/SPARK-20986.
parent 9eb09524
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