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Posted to dev@calcite.apache.org by "Xurenhe (JIRA)" <ji...@apache.org> on 2019/07/28 14:12:00 UTC

[jira] [Created] (CALCITE-3217) Should Calcite support "select null"

Xurenhe created CALCITE-3217:
--------------------------------

             Summary: Should  Calcite support "select null"
                 Key: CALCITE-3217
                 URL: https://issues.apache.org/jira/browse/CALCITE-3217
             Project: Calcite
          Issue Type: Improvement
          Components: core
            Reporter: Xurenhe


 

Should Calcite need to support null column, such as:
{code:java}
//代码占位符
select null{code}
In 1.20.0's version, it throws exception in 
{code:java}
org.apache.calcite.sql.validate.SqlValidatorImpl#inferUnknownTypes
{code}
 

 



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