[jira] [Created] (FLINK-17668) Fix shortcomings in new data structures

[Shang Yuanchun (Jira)]

Timo Walther created FLINK-17668:
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             Summary: Fix shortcomings in new data structures
                 Key: FLINK-17668
                 URL: https://issues.apache.org/jira/browse/FLINK-17668
             Project: Flink
          Issue Type: Sub-task
          Components: Table SQL / Planner, Table SQL / Runtime
            Reporter: Timo Walther
            Assignee: Timo Walther


There are a couple of shortcomings in the new data structures:
- The some data structures do not provide a {{hashCode/equals}} for testing.
- `RawValueData` cannot be created from bytes.
- Accessing elements requires dealing with logical types during runtime.
- Null checks are performed multiple times during runtime even for types that are declared as NOT NULL.



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