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| author | Timothy Hunter <timhunter@databricks.com> | 2016-09-11 08:03:45 +0100 |
|---|---|---|
| committer | Sean Owen <sowen@cloudera.com> | 2016-09-11 08:03:45 +0100 |
| commit | 180796ecb3a00facde2d98affdb5aa38dd258875 (patch) | |
| tree | c082d3431c1a266e9526b480188324a19186b7da /sql/hive | |
| parent | 29ba9578f44c7caa8451386cee1f03f4e0ed8fc7 (diff) | |
| download | spark-180796ecb3a00facde2d98affdb5aa38dd258875.tar.gz spark-180796ecb3a00facde2d98affdb5aa38dd258875.tar.bz2 spark-180796ecb3a00facde2d98affdb5aa38dd258875.zip | |
[SPARK-17439][SQL] Fixing compression issues with approximate quantiles and adding more tests
## What changes were proposed in this pull request?
This PR build on #14976 and fixes a correctness bug that would cause the wrong quantile to be returned for small target errors.
## How was this patch tested?
This PR adds 8 unit tests that were failing without the fix.
Author: Timothy Hunter <timhunter@databricks.com>
Author: Sean Owen <sowen@cloudera.com>
Closes #15002 from thunterdb/ml-1783.
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