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https://issues.apache.org/jira/browse/IMPALA-10279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17233968#comment-17233968
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ASF subversion and git services commented on IMPALA-10279:
----------------------------------------------------------
Commit 8a4539d1dbe645224efdcd5fd61514b18cc116b6 in impala's branch
refs/heads/master from Fucun Chu
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=8a4539d ]
IMPALA-10279: Import CPC functionality from DataSketches
This patch imports the functionality needed for CPC approximate
algorithm from Apache DataSketches.
First, I updated our existing snapshot of DataSketches to the
following commit:2b84e213067b681b696ec883d245ddf911790ff2
"Merge pull request #172 from chufucun/const_cast"
This affects files originated from cpc/ directories of the
DataSketches repo.
Then I copied all the files needed for CPC into our snapshot
directory.
Browse the source files here:
https://github.com/apache/incubator-datasketches-cpp
Change-Id: I1e8d0c2e80df95fa84af82c64d493df9bbb34a8c
Reviewed-on: http://gerrit.cloudera.org:8080/16645
Reviewed-by: Impala Public Jenkins <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
> Import CPC functionality from DataSketches
> ------------------------------------------
>
> Key: IMPALA-10279
> URL: https://issues.apache.org/jira/browse/IMPALA-10279
> Project: IMPALA
> Issue Type: New Feature
> Components: Backend
> Reporter: Fucun Chu
> Assignee: Fucun Chu
> Priority: Major
> Fix For: Impala 4.0
>
>
> Import CPC from DataSketches into Impala:
> https://github.com/apache/incubator-datasketches-cpp/tree/master/cpc/include
> Include it in the build system and make sure that cpc_sketch.hpp and
> cpc_union.hpp can be included into Impala source files and also verify with
> tests that the basic functionality such as sketch creation, update() and
> get_result() can be invoked.
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