[ARROW-6034] [C++][Gandiva] Add string functions in Gandiva

• Type: Task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.16.0
• Fix Version/s: 0.15.0
• Component/s: C++ - Gandiva
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/22438
• Assignee: Prudhvi Porandla
• Reporter: Prudhvi Porandla
• Created: 25/Jul/19 12:07
• Updated: 11/Jan/23 07:44
• Resolved: 01/Aug/19 07:07

Description

Add following functions in Gandiva -

substr(str, offset, len) : returns substring of length len starting from offset. negative offset is counted from string end.

substr(str, offset) : returns substring starting from offset. negative offset is counted from string end.

concat(str1, str2) : concatenate two strings

castVARCHAR(timestamp, len) : returns timestamp as string of length len

convert_fromUTF8(binary): convert binary array to string

Issue Links

• links to: GitHub Pull Request #4942