[jira] [Created] (FLINK-39682) Unable to invoke TO_DATE with TIMESTAMP types

[Xiqian Yu (Jira)]

Xiqian Yu created FLINK-39682:
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             Summary: Unable to invoke TO_DATE with TIMESTAMP types
                 Key: FLINK-39682
                 URL: https://issues.apache.org/jira/browse/FLINK-39682
             Project: Flink
          Issue Type: Bug
          Components: Flink CDC
    Affects Versions: cdc-3.6.0
            Reporter: Xiqian Yu
            Assignee: Xiqian Yu
             Fix For: cdc-3.6.1


This behavior is silently changed after FLINK-38888.

Previously, `TO_DATE(timestamp)` is equivalent to `TO_DATE(CAST(timestamp AS 
VARCHAR))` or `TO_DATE('2026-01-01 21:48:25')`, results in `2026-01-01`.

However, after rewriting `TO_DATE` strictly checks if input matches 
`yyyy-MM-dd` format, and returns `null` for malformed ones.



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