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https://issues.apache.org/jira/browse/ASTERIXDB-3555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17927019#comment-17927019
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ASF subversion and git services commented on ASTERIXDB-3555:
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Commit 7bb8e555dcf576b79a7099199d364612396893e8 in asterixdb's branch
refs/heads/master from murali4104
[ https://gitbox.apache.org/repos/asf?p=asterixdb.git;h=7bb8e555dc ]
[ASTERIXDB-3555][COMP] Use Join Samples to get Join Selectivity
Ext-ref: MB-65101
Change-Id: I863dc378d5ead9f8b48f09f7bc400f5bdaba4839
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/19383
Reviewed-by: Ali Alsuliman <[email protected]>
Reviewed-by: <[email protected]>
Integration-Tests: Jenkins <[email protected]>
Tested-by: Michael Blow <[email protected]>
> Join Samples to get Join Selectivity
> ------------------------------------
>
> Key: ASTERIXDB-3555
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-3555
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: *DB - AsterixDB
> Reporter: murali krishna
> Priority: Minor
> Labels: triaged
>
> Currently, we run a sampling query to estimate the number of distinct keys in
> the joining column to determine the join selectivity.
> We will now join the samples directly to determine the join selectivity.
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