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Posted to issues@spark.apache.org by "Vladimir Golubev (Jira)" <ji...@apache.org> on 2025/09/04 11:27:00 UTC

[jira] [Created] (SPARK-53488) Update CollationTypeCoercion to be compatible with single-pass Analyzer logic

Vladimir Golubev created SPARK-53488:
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             Summary: Update CollationTypeCoercion to be compatible with single-pass Analyzer logic
                 Key: SPARK-53488
                 URL: https://issues.apache.org/jira/browse/SPARK-53488
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 4.1.0
            Reporter: Vladimir Golubev


1. Create Casts with timezone. When single-pass Analyzer reuses this code, it does not update casts which are added several levels below.
2. Remove unnecessary `Alias` below the new `Cast`, since `transformNamedExpressions` adds an `Alias` with the same name on top.



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