jinhai created SPARK-33478:
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Summary: Allow overwrite a path that is also being read under
dynamic partition overwrite
Key: SPARK-33478
URL: https://issues.apache.org/jira/browse/SPARK-33478
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.0.1, 3.0.0
Reporter: jinhai
Currently, Insert overwrite cannot overwrite a path that is also being read
under dynamic partition overwrite.
In the class DataSourceAnalysis, DDLUtils.verifyNotReadPath is called to
determine whether it can be overwrite, but in the
InsertIntoHadoopFsRelationCommand.dynamicPartitionOverwrite method, we need to
consider the scenario where staticPartitions.size equals
partitionColumns.length, which should also be allowed to overwrite path this is
also being read.
Consider the following statement:
CREATE TABLE insertTable(i int, part1 int, part2 int) USING PARQUET PARTITIONED
BY (part1, part2);
INSERT OVERWRITE TABLE insertTable PARTITION(part1=1, part2=1) SELECT i + 1
FROM insertTable;
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