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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/09/12 01:33:00 UTC

[jira] [Assigned] (SPARK-36722) Problems with update function in koalas - pyspark pandas.

     [ https://issues.apache.org/jira/browse/SPARK-36722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-36722:
------------------------------------

    Assignee: Apache Spark

> Problems with update function in koalas - pyspark pandas.
> ---------------------------------------------------------
>
>                 Key: SPARK-36722
>                 URL: https://issues.apache.org/jira/browse/SPARK-36722
>             Project: Spark
>          Issue Type: Bug
>          Components: PySpark
>    Affects Versions: 3.2.0, 3.3.0
>            Reporter: Bjørn Jørgensen
>            Assignee: Apache Spark
>            Priority: Major
>
> Hi I am using "from pyspark import pandas as ps" in a master build yesterday. 
> I do have some columns that I need to join to one. 
> In pandas I use update.
> 54 FD_OBJECT_SUPPLIES_SERVICES_OBJECT_SUPPLY_SERVICE_ADDITIONAL_INFORMATION 23 non-null object 
> 55 FD_OBJECT_SUPPLIES_SERVICES_OBJECT_SUPPLY_SERVICE_ADDITIONAL_INFORMATION.P 24348 non-null object
>  
>  
>  pd1['FD_OBJECT_SUPPLIES_SERVICES_OBJECT_SUPPLY_SERVICE_ADDITIONAL_INFORMATION'].update(pd1['FD_OBJECT_SUPPLIES_SERVICES_OBJECT_SUPPLY_SERVICE_ADDITIONAL_INFORMATION.P'])
>  
>  ---------------------------------------------------------------------------
> AssertionError Traceback (most recent call last)
> /tmp/ipykernel_73/391781247.py in <module>
> ----> 1 pd1['FD_OBJECT_SUPPLIES_SERVICES_OBJECT_SUPPLY_SERVICE_ADDITIONAL_INFORMATION'].update(pd1['FD_OBJECT_SUPPLIES_SERVICES_OBJECT_SUPPLY_SERVICE_ADDITIONAL_INFORMATION.P'])
> /opt/spark/python/pyspark/pandas/series.py in update(self, other)
>  4549 raise TypeError("'other' must be a Series")
>  4550 
> -> 4551 combined = combine_frames(self._psdf, other._psdf, how="leftouter")
>  4552 
>  4553 this_scol = combined["this"]._internal.spark_column_for(self._column_label)
> /opt/spark/python/pyspark/pandas/utils.py in combine_frames(this, how, preserve_order_column, *args)
>  139 elif len(args) == 1 and isinstance(args[0], DataFrame):
>  140 assert isinstance(args[0], DataFrame)
> --> 141 assert not same_anchor(
>  142 this, args[0]
>  143 ), "We don't need to combine. `this` and `that` are same."
> AssertionError: We don't need to combine. `this` and `that` are same.
> pd1.info()
> 54 FD_OBJECT_SUPPLIES_SERVICES_OBJECT_SUPPLY_SERVICE_ADDITIONAL_INFORMATION 23 non-null object 
> 55 FD_OBJECT_SUPPLIES_SERVICES_OBJECT_SUPPLY_SERVICE_ADDITIONAL_INFORMATION.P 24348 non-null object



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