yeshengm opened a new pull request #25381: [SPARK-28528][SQL] Improve Extract Python UDFs optimizer rule to enforce idempotence URL: https://github.com/apache/spark/pull/25381 ## What changes were proposed in this pull request? Since the action of extract python UDFs should be considered idempotent, in this PR we separate "extract Python UDFs" and "post python UDF extraction optimization" into two different batches, therefore enable the idempotence checker for "extract Python UDFs". ## How was this patch tested? Existing UTs.
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