yux created FLINK-36474:
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Summary: YAML Table-merging route should accept more type widening
cases
Key: FLINK-36474
URL: https://issues.apache.org/jira/browse/FLINK-36474
Project: Flink
Issue Type: Bug
Components: Flink CDC
Reporter: yux
Currently, there are only three specific type widening cases available when
performing table-merging routes:
* Integer Type Promotions
* Float to Double Promotion
* Char-like Type to String
Any other types (including some reasonable ones, like temporal types) will be
rejected during wider type inferencing, which is a little surprising, since
table-merging route could tolerate columns with various names and counts.
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