[
https://issues.apache.org/jira/browse/SPARK-35211?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Darcy Shen updated SPARK-35211:
-------------------------------
External issue URL: https://github.com/apache/spark/pull/32320
> Support UDT for Pandas with Arrow Disabled
> ------------------------------------------
>
> Key: SPARK-35211
> URL: https://issues.apache.org/jira/browse/SPARK-35211
> Project: Spark
> Issue Type: Sub-task
> Components: PySpark
> Affects Versions: 3.1.1
> Reporter: Darcy Shen
> Priority: Major
> Labels: correctness
>
> {code:java}
> $ pip freeze
> certifi==2020.12.5
> coverage==5.5
> flake8==3.9.0
> mccabe==0.6.1
> mypy==0.812
> mypy-extensions==0.4.3
> numpy==1.20.1
> pandas==1.2.3
> pyarrow==2.0.0
> pycodestyle==2.7.0
> pyflakes==2.3.0
> python-dateutil==2.8.1
> pytz==2021.1
> scipy==1.6.1
> six==1.15.0
> typed-ast==1.4.2
> typing-extensions==3.7.4.3
> xmlrunner==1.7.7
> {code}
> {code}
> (spark) ➜ spark git:(master) bin/pyspark
> Python 3.8.8 (default, Feb 24 2021, 13:46:16)
> [Clang 10.0.0 ] :: Anaconda, Inc. on darwin
> Type "help", "copyright", "credits" or "license" for more information.
> Using Spark's default log4j profile:
> org/apache/spark/log4j-defaults.properties
> Setting default log level to "WARN".
> To adjust logging level use sc.setLogLevel(newLevel). For SparkR, use
> setLogLevel(newLevel).
> 21/04/24 15:51:29 WARN NativeCodeLoader: Unable to load native-hadoop library
> for your platform... using builtin-java classes where applicable
> Welcome to
> ____ __
> / __/__ ___ _____/ /__
> _\ \/ _ \/ _ `/ __/ '_/
> /__ / .__/\_,_/_/ /_/\_\ version 3.2.0-SNAPSHOT
> /_/
> Using Python version 3.8.8 (default, Feb 24 2021 13:46:16)
> Spark context Web UI available at http://172.30.0.12:4040
> Spark context available as 'sc' (master = local[*], app id =
> local-1619250689842).
> SparkSession available as 'spark'.
> >>> spark.conf.set("spark.sql.execution.arrow.pyspark.enabled", "false")
> >>> from pyspark.testing.sqlutils import ExamplePoint
> >>>
> >>> import pandas as pd
> >>>
> >>> pdf = pd.DataFrame({'point': pd.Series([ExamplePoint(1, 1),
> >>> ExamplePoint(2, 2)])})
> >>>
> >>> df = spark.createDataFrame(pdf)
> >>>
> >>> df.show()
> +----------+
> | point|
> +----------+
> |(0.0, 0.0)|
> |(0.0, 0.0)|
> +----------+
> >>> df.toPandas()
> point
> 0 (0.0,0.0)
> 1 (0.0,0.0)
> >>>
> >>>
> {code}
> The correct result should be:
> {code}
> point
> 0 (1.0,1.0)
> 1 (2.0,2.0)
> {code}
> The following code snippet works fine:
> {code}
> (spark) ➜ spark git:(sadhen/SPARK-35211) ✗ bin/pyspark
> Python 3.8.8 (default, Feb 24 2021, 13:46:16)
> [Clang 10.0.0 ] :: Anaconda, Inc. on darwin
> Type "help", "copyright", "credits" or "license" for more information.
> Using Spark's default log4j profile:
> org/apache/spark/log4j-defaults.properties
> Setting default log level to "WARN".
> To adjust logging level use sc.setLogLevel(newLevel). For SparkR, use
> setLogLevel(newLevel).
> 21/04/24 17:08:09 WARN NativeCodeLoader: Unable to load native-hadoop library
> for your platform... using builtin-java classes where applicable
> Welcome to
> ____ __
> / __/__ ___ _____/ /__
> _\ \/ _ \/ _ `/ __/ '_/
> /__ / .__/\_,_/_/ /_/\_\ version 3.2.0-SNAPSHOT
> /_/
> Using Python version 3.8.8 (default, Feb 24 2021 13:46:16)
> Spark context Web UI available at http://172.30.0.12:4040
> Spark context available as 'sc' (master = local[*], app id =
> local-1619255290637).
> SparkSession available as 'spark'.
> >>> spark.conf.set("spark.sql.execution.arrow.pyspark.enabled", "false")
> >>> from pyspark.testing.sqlutils import ExamplePoint
> >>> import pandas as pd
> >>> pdf = pd.DataFrame({'point': pd.Series([ExamplePoint(1.0, 1.0),
> >>> ExamplePoint(2.0, 2.0)])})
> >>> df = spark.createDataFrame(pdf)
> >>> df.show()
> +----------+
> | point|
> +----------+
> |(1.0, 1.0)|
> |(2.0, 2.0)|
> +----------+
> {code}
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