diff options
| author | Ron Hu <ron.hu@huawei.com> | 2017-02-23 20:18:21 -0800 |
|---|---|---|
| committer | Wenchen Fan <wenchen@databricks.com> | 2017-02-23 20:18:21 -0800 |
| commit | d7e43b613aeb6d85b8522d7c16c6e0807843c964 (patch) | |
| tree | 7c5e32d967d8a080151fbdfa25933fd00c7111a1 /sql/core/src/main | |
| parent | 2f69e3f60f27d4598f001a5454abc21f739120a6 (diff) | |
| download | spark-d7e43b613aeb6d85b8522d7c16c6e0807843c964.tar.gz spark-d7e43b613aeb6d85b8522d7c16c6e0807843c964.tar.bz2 spark-d7e43b613aeb6d85b8522d7c16c6e0807843c964.zip | |
[SPARK-17075][SQL] implemented filter estimation
## What changes were proposed in this pull request?
We traverse predicate and evaluate the logical expressions to compute the selectivity of a FILTER operator.
## How was this patch tested?
We add a new test suite to test various logical operators.
Author: Ron Hu <ron.hu@huawei.com>
Closes #16395 from ron8hu/filterSelectivity.
Diffstat (limited to 'sql/core/src/main')
0 files changed, 0 insertions, 0 deletions