[FLINK-26414] Hive dialect supports "MACRO"

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.16.0
• Labels: pull-request-available
• Assignee: luoyuxia
• Reporter: luoyuxia
• Created: 01/Mar/22 06:22
• Updated: 07/Jul/22 13:08
• Resolved: 07/Jul/22 13:08

Description

In Hive, it's support to using such sql like:

CREATE TEMPORARY MACRO macro_name([col_name col_type, ...]) expression;

which enable use to define function using sql statement.
It's also need to be supported using Hive dialect in Flink.

Issue Links

• links to: GitHub Pull Request #19561