[jira] [Created] (FLINK-12443) Replace InternalType with LogicalType in blink runner

[Shang Yuanchun (Jira)]

Jingsong Lee created FLINK-12443:
------------------------------------

             Summary: Replace InternalType with LogicalType in blink runner
                 Key: FLINK-12443
                 URL: https://issues.apache.org/jira/browse/FLINK-12443
             Project: Flink
          Issue Type: Sub-task
          Components: Table SQL / Planner
            Reporter: Jingsong Lee
            Assignee: Jingsong Lee


LogicalType can cover all InternalType, and its function is more perfect.

With isNullable, we can do null check optimizer in code generator.



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)