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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/10/11 03:21:00 UTC
[jira] [Assigned] (SPARK-36727) Support sql overwrite a path that
is also being read from when partitionOverwriteMode is dynamic
[ https://issues.apache.org/jira/browse/SPARK-36727?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-36727:
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Assignee: (was: Apache Spark)
> Support sql overwrite a path that is also being read from when partitionOverwriteMode is dynamic
> ------------------------------------------------------------------------------------------------
>
> Key: SPARK-36727
> URL: https://issues.apache.org/jira/browse/SPARK-36727
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.2
> Reporter: Tongwei
> Priority: Major
>
> {code:java}
> // non-partitioned table overwrite
> CREATE TABLE tbl (col1 INT, col2 STRING) USING PARQUET;
> INSERT OVERWRITE TABLE tbl SELECT 0,1;
> INSERT OVERWRITE TABLE tbl SELECT * FROM tbl;
> // partitioned table static overwrite
> CREATE TABLE tbl (col1 INT, col2 STRING) USING PARQUET PARTITIONED BY (pt1 INT);
> INSERT OVERWRITE TABLE tbl PARTITION(p1=2021) SELECT 0 AS col1,1 AS col2;
> INSERT OVERWRITE TABLE tbl PARTITION(p1=2021) SELECT col1, col2 FROM WHERE p1=2021;
> {code}
> When we run the above query, an error will be throwed "Cannot overwrite a path that is also being read from"
> We need to support this operation when the spark.sql.sources.partitionOverwriteMode is dynamic
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