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https://issues.apache.org/jira/browse/DRILL-5880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Volodymyr Vysotskyi reassigned DRILL-5880:
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Assignee: Volodymyr Vysotskyi
> java.sql.SQLException: UNSUPPORTED_OPERATION ERROR: This query cannot be
> planned possibly due to either a cartesian join or an inequality join
> ----------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: DRILL-5880
> URL: https://issues.apache.org/jira/browse/DRILL-5880
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Relational Operators
> Affects Versions: 1.11.0
> Reporter: Prasad Nagaraj Subramanya
> Assignee: Volodymyr Vysotskyi
> Priority: Major
>
> Consider the below query
> {code}
> select region.sales_region as c0, region_1.sales_region as c1,
> sum(sales_fact_1997.unit_sales) as m0 from region as region, store as store,
> sales_fact_1997 as sales_fact_1997, region as region_1, customer as customer
> where sales_fact_1997.store_id = store.store_id and store.region_id =
> region.region_id and region.sales_region = 'South West' and
> sales_fact_1997.customer_id = customer.customer_id and
> customer.customer_region_id = region_1.region_id and region_1.sales_region =
> 'South West' group by region.sales_region, region_1.sales_region
> {code}
> The query fails with the following error-
> {code}
> (org.apache.drill.exec.work.foreman.UnsupportedRelOperatorException) This
> query cannot be planned possibly due to either a cartesian join or an
> inequality join
>
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToPrel():437
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan():169
> org.apache.drill.exec.planner.sql.DrillSqlWorker.getQueryPlan():131
> org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan():79
> org.apache.drill.exec.work.foreman.Foreman.runSQL():991
> org.apache.drill.exec.work.foreman.Foreman.run():276
> java.util.concurrent.ThreadPoolExecutor.runWorker():1145
> java.util.concurrent.ThreadPoolExecutor$Worker.run():615
> java.lang.Thread.run():744
> {code}
> This is a regression. It worked with drill 1.10.0
> Having a single alias of the table region in the above query works fine.
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