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L. C. Hsieh commented on SPARK-30989:
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The analyzed query plan of {{df2}}:
{code}
== Analyzed
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Wenchen Fan commented on SPARK-30989:
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https://github.com/apache/spark/pull/27916 can't fix it? I
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hemanth meka commented on SPARK-30989:
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[~cloud_fan] or [~viirya], can you confirm if this needs a
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hemanth meka commented on SPARK-30989:
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The alias "cat" is defined as a dataframe having 2 columns
