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https://issues.apache.org/jira/browse/SPARK-33076?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17209370#comment-17209370
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Hyukjin Kwon commented on SPARK-33076:
--------------------------------------
It takes column name:
{code}
>>> from pyspark.sql import functions
>>> spark.range(1).selectExpr("'A' as
>>> lit").select(functions.lower("lit")).show()
+----------+
|lower(lit)|
+----------+
| a|
+----------+
{code}
> Change pyspark.sql.functions.lower(col) to get col name
> -------------------------------------------------------
>
> Key: SPARK-33076
> URL: https://issues.apache.org/jira/browse/SPARK-33076
> Project: Spark
> Issue Type: Improvement
> Components: PySpark, SQL
> Affects Versions: 3.0.1
> Reporter: Shahar Luftig
> Priority: Minor
> Labels: lowercase, pyspark.sql.functions
> Fix For: 3.02
>
> Original Estimate: 3h
> Remaining Estimate: 3h
>
> pyspark.sql.functions.lower(col) is getting only Column type and not column
> name,
> Most of pyspark functions are getting both, And its really confusing.
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