[ARROW-5891] [C++][Gandiva] Remove duplicates in function registries

• Type: Task
• Status: Resolved
• Priority: Major
• 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/22305
• Assignee: Prudhvi Porandla
• Reporter: Prudhvi Porandla
• Created: 09/Jul/19 17:56
• Updated: 11/Jan/23 07:43
• Resolved: 31/Jul/19 10:08

Description

Each precompiled function should have at most one "NativeFunction" entry in the registry. No two function signatures can refer the same precompiled function. Also add a UnitTest which checks if there are duplicates

Issue Links

• links to: GitHub Pull Request #4853