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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2018/07/12 02:55:00 UTC
[jira] [Assigned] (SPARK-24705) Spark.sql.adaptive.enabled=true is
enabled and self-join query
[ https://issues.apache.org/jira/browse/SPARK-24705?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-24705:
------------------------------------
Assignee: (was: Apache Spark)
> Spark.sql.adaptive.enabled=true is enabled and self-join query
> --------------------------------------------------------------
>
> Key: SPARK-24705
> URL: https://issues.apache.org/jira/browse/SPARK-24705
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.2.1, 2.3.1
> Reporter: cheng
> Priority: Minor
> Attachments: Error stack.txt
>
>
> [~smilegator]
> When loading data using jdbc and enabling spark.sql.adaptive.enabled=true , for example loading a tableA table, unexpected results can occur when you use the following query.
> For example:
> device_loc table comes from the jdbc data source
> select tv_a.imei
> from ( select a.imei,a.speed from device_loc a) tv_a
> inner join ( select a.imei,a.speed from device_loc a ) tv_b on tv_a.imei = tv_b.imei
> group by tv_a.imei
> When the cache tabel device_loc is executed before this query is executed, everything is fine,However, if you do not execute cache table, unexpected results will occur, resulting in failure to execute.
> Remarks：Attachment records the stack when the error occurred
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