GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/10852
[SPARK-12939][SQL] migrate encoder resolution logic to Analyzer
Now we will catch `ObjectOperator` in `Analyzer` and resolve the
`fromRowExpression/deserializer` inside it. Also update the `MapGroups` and
`CoGroup` to pass in `dataAttributes`, so that we can correctly resolve value
deserializer(the `child.output` contains both groupking key and values, which
may mess things up if they have same-name attribtues). End-to-end tests are
added.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark bug
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10852.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 #10852
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commit f34d60240c255d3b7933aeb5f6747e5f611007ff
Author: Wenchen Fan <[email protected]>
Date: 2016-01-20T19:51:15Z
migrate encoder resolution logic to Analyzer
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