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| author | hyukjinkwon <gurwls223@gmail.com> | 2017-02-03 22:10:17 -0800 |
|---|---|---|
| committer | gatorsmile <gatorsmile@gmail.com> | 2017-02-03 22:10:17 -0800 |
| commit | 2f3c20bbddd266015d9478c35ce2b37d67e01200 (patch) | |
| tree | dd9a02b402cfe71a1bbbea0e5c46567489149aaf /R | |
| parent | 22d4aae8be338051f6652cdf54dd593023751189 (diff) | |
| download | spark-2f3c20bbddd266015d9478c35ce2b37d67e01200.tar.gz spark-2f3c20bbddd266015d9478c35ce2b37d67e01200.tar.bz2 spark-2f3c20bbddd266015d9478c35ce2b37d67e01200.zip | |
[SPARK-19446][SQL] Remove unused findTightestCommonType in TypeCoercion
## What changes were proposed in this pull request?
This PR proposes to
- remove unused `findTightestCommonType` in `TypeCoercion` as suggested in https://github.com/apache/spark/pull/16777#discussion_r99283834
- rename `findTightestCommonTypeOfTwo ` to `findTightestCommonType`.
- fix comments accordingly
The usage was removed while refactoring/fixing in several JIRAs such as SPARK-16714, SPARK-16735 and SPARK-16646
## How was this patch tested?
Existing tests.
Author: hyukjinkwon <gurwls223@gmail.com>
Closes #16786 from HyukjinKwon/SPARK-19446.
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