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https://issues.apache.org/jira/browse/SPARK-10380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Armbrust resolved SPARK-10380.
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Resolution: Fixed
Fix Version/s: 2.0.0
Issue resolved by pull request 11698
[https://github.com/apache/spark/pull/11698]
> Confusing examples in pyspark SQL docs
> --------------------------------------
>
> Key: SPARK-10380
> URL: https://issues.apache.org/jira/browse/SPARK-10380
> Project: Spark
> Issue Type: Improvement
> Components: Documentation, SQL
> Reporter: Michael Armbrust
> Priority: Minor
> Labels: docs, starter
> Fix For: 2.0.0
>
>
> There’s an error in the astype() documentation, as it uses cast instead of
> astype. It should probably include a mention that astype is an alias for cast
> (and vice versa in the cast documentation):
> https://spark.apache.org/docs/latest/api/python/pyspark.sql.html#pyspark.sql.Column.astype
>
> The same error occurs with drop_duplicates and dropDuplicates:
> https://spark.apache.org/docs/latest/api/python/pyspark.sql.html#pyspark.sql.DataFrame.drop_duplicates
>
> The issue here is we are copying the code. According to [~davies] the
> easiest way is to copy the method and just add new docs.
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