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Posted to gitbox@hive.apache.org by GitBox <gi...@apache.org> on 2021/11/12 13:18:08 UTC
[GitHub] [hive] mbathori-cloudera opened a new pull request #2786: HIVE-25686: UDFSpace result length calculation is incorrect after HADOOP-17901 and HADOOP-17905
mbathori-cloudera opened a new pull request #2786:
URL: https://github.com/apache/hive/pull/2786
### What changes were proposed in this pull request?
After the application of HADOOP-17901 and HADOOP-17905 they changed the backing array increment logic which is causing issues in the UDFSpace class.
### Why are the changes needed?
The previous `result.getBytes().length` is returning incorrect size which is causing error in the result output. By changing this method call to `result.getLength()` the size calculation is correct again any the original behaviour is restored.
Example of the UDFSpace behaviour with the different method calls:
```
space parameter - 11
result.getBytes().length - 0
result.getLength() - 0
space parameter - 12
result.getBytes().length - 11
result.getLength() - 11
space parameter - 13
result.getBytes().length - 16
result.getLength(): 12
space parameter - 14
result.getBytes().length - 16
result.getLength() - 13
```
Note that the issue is only present whit Hadoop version that contains HADOOP-17901 and HADOOP-17905.
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
The change was tested on live cluster and also in the new qtest that was introduced in the scope of this patch.
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[GitHub] [hive] zabetak closed pull request #2786: HIVE-25686: UDFSpace result length calculation is incorrect after HADOOP-17901 and HADOOP-17905
Posted by GitBox <gi...@apache.org>.
zabetak closed pull request #2786:
URL: https://github.com/apache/hive/pull/2786
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