[jira] [Created] (CALCITE-2472) {fn IFNULL(value1, value2)} doesn't work when value1 and value2 are different types

["Zhaotong Guo (JIRA)" <ji...@apache.org>]

Zhaotong Guo created CALCITE-2472:
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             Summary: {fn IFNULL(value1, value2)} doesn't work when value1 and value2 are different types
                 Key: CALCITE-2472
                 URL: https://issues.apache.org/jira/browse/CALCITE-2472
             Project: Calcite
          Issue Type: Bug
            Reporter: Zhaotong Guo
            Assignee: Julian Hyde


{quote}
{code:java}
select {fn IFNULL(value1, value2)} from table1 where id = 3{code}
{quote}
When value1 and value2 are the same types, it works. 

When value1 can be cast to value2, for example, value1 is an int and value2 is a double, both of them are not null. It will return value1 which is cast to double. 

When value1 and value2 are different types, it doesn't work. 

I use Calcite 1.17.0. 

 



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