[jira] [Closed] (CALCITE-512) Add GROUP_ID and GROUPING_ID functions

["Julian Hyde (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-512?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Julian Hyde closed CALCITE-512.
-------------------------------

Closing now that 1.0.0-incubating has been released.

> Add GROUP_ID and GROUPING_ID functions
> --------------------------------------
>
>                 Key: CALCITE-512
>                 URL: https://issues.apache.org/jira/browse/CALCITE-512
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Julian Hyde
>            Assignee: Julian Hyde
>             Fix For: 1.0.0-incubating
>
>
> Implement GROUP_ID and GROUPING_ID(expr [, expr]...) functions, as they are defined in Oracle.
> We already have, as of CALCITE-370, the GROUPING(expr) function. Now define GROUPING_ID:
> GROUPING_ID(e2, e1, e0)
>  == GROUPING(e2) * 4 
>   + GROUPING(e1) * 2
>   + GROUPING(e0)
> and similarly for different numbers of arguments.
> GROUP_ID() is equivalent to GROUPING_ID(x, y, z), where x, y, z are the expressions being grouped.



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