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https://issues.apache.org/jira/browse/SPARK-11860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15021545#comment-15021545
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Apache Spark commented on SPARK-11860:
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User 'zjffdu' has created a pull request for this issue:
https://github.com/apache/spark/pull/9901
> Invalid argument specification for registerFunction [Python]
> ------------------------------------------------------------
>
> Key: SPARK-11860
> URL: https://issues.apache.org/jira/browse/SPARK-11860
> Project: Spark
> Issue Type: Documentation
> Components: Documentation, PySpark
> Affects Versions: 1.5.2
> Reporter: Tristan
> Priority: Minor
> Original Estimate: 5m
> Remaining Estimate: 5m
>
> https://github.com/apache/spark/blob/branch-1.5/python/pyspark/sql/context.py#L171-L178
> Documentation for SQLContext.registerFunction specifies a lambda function as
> input. This is false (it works fine with non-lambda functions). I believe
> this is a typo based on the presence of 'samplingRatio' in the parameter docs:
> https://github.com/apache/spark/blob/branch-1.5/python/pyspark/sql/context.py#L178
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