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Posted to issues-all@impala.apache.org by "ASF subversion and git services (Jira)" <ji...@apache.org> on 2022/08/30 10:58:00 UTC
[jira] [Commented] (IMPALA-11496) Push down date literals to Kudu scanner
[ https://issues.apache.org/jira/browse/IMPALA-11496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17597755#comment-17597755 ]
ASF subversion and git services commented on IMPALA-11496:
----------------------------------------------------------
Commit e8ebf0be67828b855d4533c07ef544f85897ec62 in impala's branch refs/heads/master from Peter Rozsa
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=e8ebf0be6 ]
IMPALA-11496: Push down date literals to Kudu scanner
This change enables creating, and pushing down Kudu
predicates from DATE type. Kudu planner testcases
added for DATE, BIGINT, FLOAT, DOUBLE types to
cover all supported type's predicate creation.
Change-Id: I4f323d23df3a92361390f9da387182db3f3bde3e
Reviewed-on: http://gerrit.cloudera.org:8080/18898
Reviewed-by: Impala Public Jenkins <im...@cloudera.com>
Tested-by: Impala Public Jenkins <im...@cloudera.com>
> Push down date literals to Kudu scanner
> ---------------------------------------
>
> Key: IMPALA-11496
> URL: https://issues.apache.org/jira/browse/IMPALA-11496
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend, Frontend
> Reporter: Csaba Ringhofer
> Assignee: Peter Rozsa
> Priority: Major
> Labels: ramp-up
>
> To reproduce:
> explain select * from functional_kudu.date_tbl where date_col = DATE "1970-01-01";
> 00:SCAN KUDU [functional_kudu.date_tbl]
> predicates: date_col = DATE '1970-01-01'
> We should see "kudu predicates" instead of "predicates" if it was pushed down.
> date is missing from the following switch case, so FE doesn't create kudu predicates for them:
> https://github.com/apache/impala/blob/ba4cb95b6251911fa9e057cea1cb37958d339fed/fe/src/main/java/org/apache/impala/planner/KuduScanNode.java#L524
> Not sure whether backend changes are also needed
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