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https://issues.apache.org/jira/browse/SPARK-41850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17653738#comment-17653738
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Sandeep Singh commented on SPARK-41850:
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This should be moved under SPARK-41283
> Fix `isnan` function
> --------------------
>
> Key: SPARK-41850
> URL: https://issues.apache.org/jira/browse/SPARK-41850
> Project: Spark
> Issue Type: Sub-task
> Components: Connect
> Affects Versions: 3.4.0
> Reporter: Sandeep Singh
> Priority: Major
>
> {code:java}
> File
> "/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/functions.py",
> line 288, in pyspark.sql.connect.functions.isnan
> Failed example:
> df.select("a", "b", isnan("a").alias("r1"),
> isnan(df.b).alias("r2")).show()
> Expected:
> +---+---+-----+-----+
> | a| b| r1| r2|
> +---+---+-----+-----+
> |1.0|NaN|false| true|
> |NaN|2.0| true|false|
> +---+---+-----+-----+
> Got:
> +----+----+-----+-----+
> | a| b| r1| r2|
> +----+----+-----+-----+
> | 1.0|null|false|false|
> |null| 2.0|false|false|
> +----+----+-----+-----+
> <BLANKLINE>{code}
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