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https://issues.apache.org/jira/browse/SPARK-42267?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-42267.
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Fix Version/s: 3.4.0
Resolution: Fixed
Issue resolved by pull request 39938
[https://github.com/apache/spark/pull/39938]
> Support left_outer join
> -----------------------
>
> Key: SPARK-42267
> URL: https://issues.apache.org/jira/browse/SPARK-42267
> Project: Spark
> Issue Type: Sub-task
> Components: Connect, PySpark
> Affects Versions: 3.4.0
> Reporter: Xinrong Meng
> Priority: Major
> Fix For: 3.4.0
>
>
> ```
> >>> df = spark.range(1)
> >>> df2 = spark.range(2)
> >>> df.join(df2, how="left_outer")
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "/Users/xinrong.meng/spark/python/pyspark/sql/connect/dataframe.py",
> line 438, in join
> plan.Join(left=self._plan, right=other._plan, on=on, how=how),
> File "/Users/xinrong.meng/spark/python/pyspark/sql/connect/plan.py", line
> 730, in __init__
> raise NotImplementedError(
> NotImplementedError:
> Unsupported join type: left_outer. Supported join types
> include:
> "inner", "outer", "full", "fullouter", "full_outer",
> "leftouter", "left", "left_outer", "rightouter",
> "right", "right_outer", "leftsemi", "left_semi",
> "semi", "leftanti", "left_anti", "anti", "cross",
> ```
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