[FLINK-16251] Optimize the cost of function call in ScalarFunctionOpertation

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.11.0
• Component/s: API / Python
• Labels: pull-request-available
• Assignee: Huang Xingbo
• Reporter: Huang Xingbo
• Created: 24/Feb/20 01:57
• Updated: 24/Mar/20 09:49
• Resolved: 26/Feb/20 06:51

Description

Currently, there are too many extra function calls cost in  ScalarFunctionOpertation.We need to optimize it to improve performance in Python UDF.

Issue Links

• links to: GitHub Pull Request #11203