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Posted to issues@calcite.apache.org by "Julian Hyde (JIRA)" <ji...@apache.org> on 2019/07/29 18:49:00 UTC

[jira] [Updated] (CALCITE-3217) Support "SELECT NULL"

     [ https://issues.apache.org/jira/browse/CALCITE-3217?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Julian Hyde updated CALCITE-3217:
---------------------------------
    Summary: Support "SELECT NULL"  (was: Should  Calcite support "select null"?)

> Support "SELECT NULL"
> ---------------------
>
>                 Key: CALCITE-3217
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3217
>             Project: Calcite
>          Issue Type: Improvement
>          Components: core
>            Reporter: Xurenhe
>            Priority: Minor
>         Attachments: Jietu20190728-221651.jpg
>
>
>  
> Should Calcite need to support "select null", such as:
> {code:java}
> select null;{code}
> In the version of "1.20.0", it throws exception in `org.apache.calcite.sql.validate.SqlValidatorImpl#inferUnknownTypes`. 
>  



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