[ARROW-6023] [C++][Gandiva] Add functions in Gandiva

• Type: Task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.15.0
• Component/s: C++ - Gandiva
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/22429
• Assignee: Prudhvi Porandla
• Reporter: Prudhvi Porandla
• Created: 24/Jul/19 10:17
• Updated: 11/Jan/23 07:44
• Resolved: 31/Jul/19 10:25

Description

support following functions in Gandiva -

1. int32 castINT(int64) : cast int64 to int32
2. float4 castFLOAT4(float8) : cast float8 to float4
3. int64 truncate(int64, int32 scale) : if scale is negative, make last -scale digits zero
4. timestamp add(date, int32 days) : add days to date(in milliseconds) and return   timestamp 

Issue Links

• links to: GitHub Pull Request #4932