GitHub user jiangxb1987 opened a pull request:
https://github.com/apache/spark/pull/17241
[SPARK-19877][SQL] Restrict the nested level of a view
## What changes were proposed in this pull request?
We should restrict the nested level of a view, to avoid stack overflow
exception during the view resolution.
## How was this patch tested?
Add new test case in `SQLViewSuite`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jiangxb1987/spark view-depth
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17241.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 #17241
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commit 15e53669b7125c8735dfd54b0b1019a0aabf2928
Author: jiangxingbo <[email protected]>
Date: 2017-03-10T11:10:32Z
restrict the nested level of a view.
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