GitHub user scwf opened a pull request:
https://github.com/apache/spark/pull/5928
[SQL] [Minor] make star and multialias extend NamedExpression
`Star` and `MultiAlias` just used in `analyzer` and them will be
substituted after analyze, just like `Alias` they do not need extend
`Attribute`
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/scwf/spark attribute
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/5928.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 #5928
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commit 73a05605d817c3c19d3cf93fd56cbb516457f3a8
Author: scwf <[email protected]>
Date: 2015-05-05T23:20:17Z
star and multialias do not need extend attribute
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