[ARROW-17701] [C++][Gandiva] Add support for untyped node

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 10.0.0
• Component/s: C++ - Gandiva
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/32939
• Assignee: Jin Shang
• Reporter: Jin Shang
• Created: 13/Sep/22 10:38
• Updated: 11/Jan/23 11:52
• Resolved: 13/Sep/22 21:15

Description

The parser will first emit untyped literal and function nodes before type inference. We need to update the ToString method of Gandiva nodes to avoid seg fault.

Other methods aren't affected because untyped nodes are only used inside the parser.

Issue Links

• links to: GitHub Pull Request #14110