yiqijiu opened a new pull request, #5556:
URL: https://github.com/apache/hive/pull/5556
### What changes were proposed in this pull request?
<!--
While reviewing the Statistics class, I found an issue where adding long
values could result in a negative number due to overflow.
-->
### Why are the changes needed?
<!--
When datasize has a very large value, addition can result in a negative
number.
public void addBasicStats(Statistics stats)
{ dataSize += stats.dataSize; numRows += stats.numRows; basicStatsState =
inferColumnStatsState(basicStatsState, stats.basicStatsState); }
@Deprecated
public void addToDataSize(long rds)
{ dataSize += rds; }
-->
### Does this PR introduce _any_ user-facing change?
<!--
No
-->
### Is the change a dependency upgrade?
<!--
No
-->
### How was this patch tested?
<!--
Reused the existing API without making any logical changes, so no unit tests
were added.
-->
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