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https://issues.apache.org/jira/browse/CALCITE-2834?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16771786#comment-16771786
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Stuti Gupta commented on CALCITE-2834:
--------------------------------------

[~julianhyde] Current calcite code has support for dialects which don't support 
VALUES clause, but RelToSqlConverter has "DUAL" table as the form identifier.

Dialects such as HiveSqlDialect, SparkSqlDialect, BigquerySqlDialect don't have 
the dual table and support select without from. So, this is the change I need.

> VALUES Clause support for dialects which don't support VALUES clause
> --------------------------------------------------------------------
>
>                 Key: CALCITE-2834
>                 URL: https://issues.apache.org/jira/browse/CALCITE-2834
>             Project: Calcite
>          Issue Type: Improvement
>            Reporter: Stuti Gupta
>            Assignee: Julian Hyde
>            Priority: Major
>
> VALUES Clause support for dialects which don't support VALUES clause.



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