[TRAFODION-2208] function support: log2,IS_IPV4,IS_IPV6 etc

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.1-incubating
• Assignee: liu ming
• Reporter: liu ming
• Created: 07/Sep/16 09:39
• Updated: 15/Sep/18 07:31
• Resolved: 18/Sep/16 00:38

Description

add built-in function
IS_IPV4
IS_IPV6
LOG2

Also try to enhance the least to accept multiple input arguments which is required in both Oracle/MySQL.

This will be an example about how to add new built-in functions, so start with some very simple functions.

One of the important goal is to guide the following developing works.

Issue Links

• links to: GitHub Pull Request #703