GitHub user davies opened a pull request:
https://github.com/apache/spark/pull/10977
[SPARK-13031] [SQL] cleanup codegen and improve test coverage
1. enable whole stage codegen during tests even there is only one operator
supports that.
2. split doProduce() into two APIs: upstream() and doProduce()
3. generate prefix for fresh names of each operator
4. pass UnsafeRow to parent directly (avoid getters and create UnsafeRow
again)
5. fix bugs and tests.
This PR re-open #10944 and fix the bug.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/davies/spark gen_refactor
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10977.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 #10977
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commit b4db00675bc3c51ddf8735cace522a5d771cf7e2
Author: Davies Liu <[email protected]>
Date: 2016-01-27T07:43:40Z
cleanup whole stage codegen
commit 70a7c7edd1988c7dd69bccc8e563c9943775bd2c
Author: Davies Liu <[email protected]>
Date: 2016-01-27T23:22:33Z
improve stddev and variance
commit 951e2cd8de2c6b2f5b5bd1f5dbdb6b6fad6bc4a4
Author: Davies Liu <[email protected]>
Date: 2016-01-29T06:24:05Z
fix aggregation without functions
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