spark-instrumented-optimizer/sql/core
hyukjinkwon 2f3c20bbdd [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.
2017-02-03 22:10:17 -08:00
..
benchmarks [SPARK-17335][SQL] Fix ArrayType and MapType CatalogString. 2016-09-03 19:02:20 +02:00
src [SPARK-19446][SQL] Remove unused findTightestCommonType in TypeCoercion 2017-02-03 22:10:17 -08:00
pom.xml [SPARK-17807][CORE] split test-tags into test-JAR 2016-12-21 16:37:20 -08:00