GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/11532
[SPARK-13694][SQL] QueryPlan.expressions should always include all
expressions
## What changes were proposed in this pull request?
It's weird that expressions don't always have all the expressions in it.
This PR marks `QueryPlan.expressions` final to forbid sub classes overriding it
to exclude some expressions. Currently only `Generate` override it, we can use
`producedAttributes` to fix the unresolved attribute problem for it.
Note that this PR doesn't fix the problem in #11497
## How was this patch tested?
existing tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark generate
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11532.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 #11532
----
commit 5aa533bf59fd8b1f1ff8bd0c13b2829a3710f66d
Author: Wenchen Fan <[email protected]>
Date: 2016-03-05T00:36:04Z
QueryPlan.expressions should always include all expressions
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