GitHub user ChengXiangLi opened a pull request:
https://github.com/apache/flink/pull/1556
[Flink-3226] Implement project and filter translator.
This is just prototype implementation to translate Calcite Project and
Filter into Flink RelNode. It still miss several parts, which could be done in
separate tasks:
1. expression code generation.
2. Flink expression do not support `eval` yet, so expression is not
supported in interpreter mode as well.
3. i test these rules based on Timo's prototype, the rule registry and
launch part is not ready in this PR.
4. other Calcite RelNodes translator.
@fhueske and @twalthr , please let me know if you have any suggestion.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ChengXiangLi/flink flink-3226
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/1556.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 #1556
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commit 963dceee1e0e4456f07f7150f218ee23a34719be
Author: chengxiang li <chengxiang...@intel.com>
Date: 2016-01-28T11:04:08Z
Implement project and filter translator.
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