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From "Muhammad Gelbana (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (DRILL-5515) "IS NO DISTINCT FROM" and it's equivalent form aren't handled likewise
Date Fri, 14 Jul 2017 20:59:00 GMT

     [ https://issues.apache.org/jira/browse/DRILL-5515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Muhammad Gelbana closed DRILL-5515.
-----------------------------------
    Resolution: Invalid

What I posted is NOT the equivalent form for the "IS DISTINCT FROM" clause.

> "IS NO DISTINCT FROM" and it's equivalent form aren't handled likewise
> ----------------------------------------------------------------------
>
>                 Key: DRILL-5515
>                 URL: https://issues.apache.org/jira/browse/DRILL-5515
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>    Affects Versions: 1.9.0, 1.10.0
>            Reporter: Muhammad Gelbana
>
> The following query fails to execute
> {code:sql}SELECT * FROM (SELECT `UserID` FROM `dfs`.`path_ot_parquet` tc) `t0` INNER
JOIN (SELECT `UserID` FROM `dfs`.`path_ot_parquet` tc) `t1` ON (`t0`.`UserID` IS NOT DISTINCT
FROM `t1`.`UserID`){code}
> and produces the following error message
> {noformat}org.apache.drill.common.exceptions.UserRemoteException: UNSUPPORTED_OPERATION
ERROR: This query cannot be planned possibly due to either a cartesian join or an inequality
join [Error Id: 0bd41e06-ccd7-45d6-a038-3359bf5a4a7f on mgelbana-incorta:31010]{noformat}
> While the query's equivalent form runs fine
> {code:sql}SELECT * FROM (SELECT `UserID` FROM `dfs`.`path_ot_parquet` tc) `t0` INNER
JOIN (SELECT `UserID` FROM `dfs`.`path_ot_parquet` tc) `t1` ON (`t0`.`UserID` = `t1`.`UserID`
OR (`t0`.`UserID` IS NULL AND `t1`.`UserID` IS NULL)){code}



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