[jira] [Created] (CALCITE-5388) No result when using ROW_NUMBER in two common table expressions

["Magnus Mogren (Jira)" <ji...@apache.org>]

Magnus Mogren created CALCITE-5388:
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             Summary: No result when using ROW_NUMBER in two common table expressions
                 Key: CALCITE-5388
                 URL: https://issues.apache.org/jira/browse/CALCITE-5388
             Project: Calcite
          Issue Type: Bug
            Reporter: Magnus Mogren


This SQL produces no result.

 
{code:java}
with
    CTE1(rownr1, val1) as ( select ROW_NUMBER() OVER(ORDER BY id ASC), id from (values (1), (2)) as Vals1(id) ),
    CTE2(rownr2, val2) as ( select ROW_NUMBER() OVER(ORDER BY id ASC), id from (values (1), (2)) as Vals2(id) )
select
    CTE1.rownr1,
    CTE1.val1,
    CTE2.rownr2,
    CTE2.val2 
from
    CTE1,
    CTE2 
where
    CTE1.val1 = CTE2.val2{code}
 

However, if you remove CTE.rownr2 from the selected columns it produces the 2 rows as expected:
|ROWNR1|VAL1|VAL2|
|1|1|1|
|2|2|2|

 

Same type of problem occurs of you try to compare the two rownr columns. No result for this:
{code:java}
with
    CTE1(rownr1, val1) as ( select ROW_NUMBER() OVER(ORDER BY id ASC), id from (values (1), (2)) as Vals1(id) ),
    CTE2(rownr2, val2) as ( select ROW_NUMBER() OVER(ORDER BY id ASC), id from (values (1), (2)) as Vals2(id) )
select
    CTE1.val1,
    CTE2.val2 
from
    CTE1,
    CTE2 
where
    CTE1.rownr1 = CTE2.rownr2{code}
 

Does calcite get confused over the fact that to ROW_NUMBER functions are used among the common table expressions?



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