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From "Furcy Pin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-17296) Spark SQL: cross join + two joins = BUG
Date Mon, 29 Aug 2016 15:48:20 GMT
Furcy Pin created SPARK-17296:
---------------------------------

             Summary: Spark SQL: cross join + two joins = BUG
                 Key: SPARK-17296
                 URL: https://issues.apache.org/jira/browse/SPARK-17296
             Project: Spark
          Issue Type: Bug
    Affects Versions: 2.0.0
            Reporter: Furcy Pin


In spark shell :

{code}
CREATE TABLE test (col INT) ;
INSERT OVERWRITE TABLE test VALUES (1), (2) ;

SELECT 
COUNT(1)
FROM test T1 
CROSS JOIN test T2
JOIN test T3
ON T3.col = T1.col
JOIN test T4
ON T4.col = T1.col
;
{code}

returns :

{code}
Error in query: cannot resolve '`T1.col`' given input columns: [col, col]; line 6 pos 12
{code}

Apparently, this example is minimal (removing the CROSS or one of the JOIN causes no issue).



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