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  1. Spark
  2. SPARK-47511

Canonicalize With expressions by re-assigning IDs

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    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 4.0.0
    • 4.0.0
    • SQL

    Description

      The current canonicalization of `With` expressions takes into account the ID of the common expressions, which comes from a global monotonically increasing ID. This means that queries with `With` expressions (e.g. `NULLIF` expressions) will have inconsistent canonicalizations.

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              kelvinjiang Kelvin Jiang
              kelvinjiang Kelvin Jiang
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