Timo Walther created FLINK-41065:
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Summary: Improve TypeInferenceUtil for built-in PTFs
Key: FLINK-41065
URL: https://issues.apache.org/jira/browse/FLINK-41065
Project: Flink
Issue Type: Sub-task
Components: Table SQL / Planner
Reporter: Timo Walther
Assignee: Timo Walther
Built-in PTFs such as DEDUPLICATE_KEEP_FIRST (which is currently under
development) need more flexible state declarations. While they should still be
able to declare all possible state, they need a way of skipping state in case
it is not required.
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