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https://issues.apache.org/jira/browse/SPARK-48006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot reassigned SPARK-48006:
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Assignee: (was: Apache Spark)
> add SortOrder for window function which has no orderSpec
> --------------------------------------------------------
>
> Key: SPARK-48006
> URL: https://issues.apache.org/jira/browse/SPARK-48006
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 4.0.0
> Reporter: guihuawen
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
>
> I am doing Hive SQL to switch to Spark SQL.
>
> In Hive SQL
>
> hive> explain select *,row_number() over (partition by day) rn from
> testdb.zeropart_db;
> OK
> Explain
>
> In Spark SQL
> spark-sql> explain select *,row_number() over (partition by age ) rn from
> testdb.zeropart_db;
> plan
> == Physical Plan ==
> org.apache.spark.sql.AnalysisException: Window function row_number() requires
> window to be ordered, please add ORDER BY clause. For example SELECT
> row_number()(value_expr) OVER (PARTITION BY window_partition ORDER BY
> window_ordering) from table
> Time taken: 0.172 seconds, Fetched 1 row(s)
>
> For better compatibility with migration. For better compatibility with
> migration, new parameters are added to ensure compatibility with the same
> behavior as Hive SQL
>
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