GitHub user rxin opened a pull request:
https://github.com/apache/spark/pull/5796
[SPARK-7266] Add ExpectsInputTypes to expressions when possible.
This should gives us better analysis time error messages (rather than
runtime) and automatic type casting.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rxin/spark expected-input-types
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/5796.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 #5796
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commit c9007604c19a404c201677d8f6c4e81f82ddc717
Author: Reynold Xin <[email protected]>
Date: 2015-04-30T00:48:42Z
[SPARK-7266] Add ExpectsInputTypes to expressions when possible.
This should gives us better analysis time error messages (rather than
runtime) and automatic type casting.
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