GitHub user zheh12 opened a pull request:
https://github.com/apache/spark/pull/21257
[SPARK-24194] HadoopFsRelation cannot overwrite a path that is also bâ¦
## What changes were proposed in this pull request?
When insert overwrite in a parquet table. There will be a error check
```
if (overwrite) DDLUtils.verifyNotReadPath(actualQuery, outputPath)
```
But we can do this for a hive table.
The reason why we can't overwrite a **HadoopFsRelation** with output same
as input is we delete the output path first. I think we can fix this with
latter delete, just mark path should be deleted after the job
commit.
## How was this patch tested?
I change the test code **InsertSuite** and **MetastoreDataSourceSuite**.
They now are input and output table can be same test.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zheh12/spark SPARK-24194
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21257.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #21257
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