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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/08/01 04:44:00 UTC
[jira] [Assigned] (SPARK-28153) Use AtomicReference at
InputFileBlockHolder (to support input_file_name with Python UDF)
[ https://issues.apache.org/jira/browse/SPARK-28153?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon reassigned SPARK-28153:
------------------------------------
Assignee: Hyukjin Kwon
> Use AtomicReference at InputFileBlockHolder (to support input_file_name with Python UDF)
> ----------------------------------------------------------------------------------------
>
> Key: SPARK-28153
> URL: https://issues.apache.org/jira/browse/SPARK-28153
> Project: Spark
> Issue Type: Bug
> Components: PySpark
> Affects Versions: 2.3.3, 3.0.0, 2.4.3
> Reporter: Hyukjin Kwon
> Assignee: Hyukjin Kwon
> Priority: Major
>
> {code}
> from pyspark.sql.functions import udf, input_file_name
> spark.range(10).write.mode("overwrite").parquet("/tmp/foo")
> spark.read.parquet("/tmp/foo").select(udf(lambda x: x, "long")("id"), input_file_name()).show()
> {code}
> {code}
> +------------+-----------------+
> |<lambda>(id)|input_file_name()|
> +------------+-----------------+
> | 8| |
> | 5| |
> | 0| |
> | 9| |
> | 6| |
> | 2| |
> | 3| |
> | 4| |
> | 7| |
> | 1| |
> +------------+-----------------+
> {code}
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