GitHub user dongjoon-hyun opened a pull request:
https://github.com/apache/spark/pull/19888
[SPARK-22686][SQL] DROP TABLE IF EXISTS should not throw AnalysisException
## What changes were proposed in this pull request?
During [SPARK-22488](https://github.com/apache/spark/pull/19713) to fix
view resolution issue, there occurs a regression at `2.2.1` and `master` branch
like the following. This PR fixes that.
```scala
scala> spark.version
res2: String = 2.2.1
scala> sql("DROP TABLE IF EXISTS t").show
17/12/04 21:01:06 WARN DropTableCommand:
org.apache.spark.sql.AnalysisException: Table or view not found: t;
org.apache.spark.sql.AnalysisException: Table or view not found: t;
```
## How was this patch tested?
Manual.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dongjoon-hyun/spark SPARK-22686
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/19888.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 #19888
----
commit 2b113a2871dc732d74b0564017bed15e53b297ab
Author: Dongjoon Hyun <dongj...@apache.org>
Date: 2017-12-05T05:01:53Z
[SPARK-22686][SQL] DROP TABLE IF EXISTS should not throw AnalysisException
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