Dawid Wysakowicz created FLINK-17063:
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Summary: Make null typ be a possible result of a type inference
Key: FLINK-17063
URL: https://issues.apache.org/jira/browse/FLINK-17063
Project: Flink
Issue Type: Improvement
Components: Table SQL / API
Reporter: Dawid Wysakowicz
Assignee: Dawid Wysakowicz
Fix For: 1.11.0
There are use cases that can benefit from making a null type a valid result of
input and output type inference.
Example. We can use null type in {{VALUES}} clause for a temporary placeholder
that will be later inferred based on types of other rows.
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