GitHub user beyond1920 opened a pull request:
https://github.com/apache/flink/pull/3197
[FLINK-5567] [Table API & SQL]Introduce and migrate current table
statistics to FlinkStatistics
This pr includes two commits, the first commit is Related to
[https://github.com/apache/flink/pull/3196](url), the second commit is to
introduce and migrate current table statistics to FlinkStatistics. So please
focus on second commit.
The main changes including:
1. Introduce FlinkStatistic class, which is an implementation of Calcite
Statistic.
2. Integrate FlinkStatistic with FlinkTable.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/alibaba/flink flink-5567
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/3197.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 #3197
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commit cadc16eefb0e0a9002e536a48b4b9f6824b6ab23
Author: 槿ç <[email protected]>
Date: 2017-01-24T06:34:01Z
Introduce structure to hold table and column level statistics
commit 56c51b0f8d7983b8593946f64ece2b4881f0d723
Author: 槿ç <[email protected]>
Date: 2017-01-24T06:57:08Z
ntroduce and migrate current table statistics to FlinkStatistics
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