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Posted to issues@spark.apache.org by "dgd_contributor (Jira)" <ji...@apache.org> on 2021/09/12 00:23:00 UTC
[jira] [Commented] (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:comment-tabpanel&focusedCommentId=17413632#comment-17413632 ]
dgd_contributor commented on SPARK-36722:
-----------------------------------------
I will make a PR to fix this one soon
> 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: 3.3.0
> Reporter: Bjørn Jørgensen
> 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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