GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/16003
[SPARK-18482][SQL] make sure Spark can access the table metadata created by
older version of spark
## What changes were proposed in this pull request?
In Spark 2.1, we did a lot of refactor for `HiveExternalCatalog` and
related code path. These refactor may introduce external behavior changes and
break backward compatibility. e.g.
http://issues.apache.org/jira/browse/SPARK-18464
To avoid future compatibility problems of `HiveExternalCatalog`, this PR
dumps some typical table metadata from tables created by 2.0, and test if they
can recognized by current version of Spark.
## How was this patch tested?
test only change
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark test
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16003.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 #16003
----
commit 8f8c5da5b2ff80af78fdf9b7c942e3c5c5d09fd2
Author: Wenchen Fan <[email protected]>
Date: 2016-11-24T13:14:47Z
make sure Spark can access the table metadata created by older version of
spark
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