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https://issues.apache.org/jira/browse/SPARK-27921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16865281#comment-16865281
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Hyukjin Kwon commented on SPARK-27921:
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I am going to wait for SPARK-27763 about some more days and will identify
potential test cases.
My plan is basically to port/convert tests about SQL plan like aggregate, join,
etc. but not specific to expressions, for now.
Feel free to add them meanwhile - I would like other people to add them
permissively.
> Convert applicable *.sql tests into UDF integrated test base
> ------------------------------------------------------------
>
> Key: SPARK-27921
> URL: https://issues.apache.org/jira/browse/SPARK-27921
> Project: Spark
> Issue Type: Umbrella
> Components: PySpark, SQL
> Affects Versions: 3.0.0
> Reporter: Hyukjin Kwon
> Priority: Major
>
> This JIRA targets to improve Python test coverage in particular about
> {{ExtractPythonUDFs}}.
> This rule has caused many regressions or issues such as SPARK-27803,
> SPARK-26147, SPARK-26864, SPARK-26293, SPARK-25314 and SPARK-24721.
> We should convert *.sql test cases that can be affected by this rule
> {{ExtractPythonUDFs}} like
> https://github.com/apache/spark/blob/f5317f10b25bd193cf5026a8f4fd1cd1ded8f5b4/sql/core/src/test/resources/sql-tests/inputs/udf/udf-inner-join.sql
> Namely most of plan related test cases might have to be converted.
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