[SPARK-20948] Built-in SQL Function UnaryMinus/UnaryPositive support string type

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.0
• Fix Version/s: 2.3.0
• Component/s: SQL
• Assignee: Yuming Wang
• Reporter: Yuming Wang
• Created: 01/Jun/17 08:11
• Updated: 19/Jun/17 03:14
• Resolved: 19/Jun/17 03:14

Description

UnaryMinus/UnaryPositive function should support string type, same as hive:

$ bin/hive

Logging initialized using configuration in jar:file:/home/wym/apache-hive-1.2.2-bin/lib/hive-common-1.2.2.jar!/hive-log4j.properties
hive> select positive('-1.11'), negative('-1.11');
OK
-1.11   1.11
Time taken: 1.937 seconds, Fetched: 1 row(s)
hive> 

Issue Links

• links to: [Github] Pull Request #18173 (wangyum)