[jira] [Updated] (CALCITE-992) Validate and resolve sequence reference as a Table object

["Maryann Xue (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-992?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Maryann Xue updated CALCITE-992:
--------------------------------
    Attachment: CALCITE-992.suggested.diff

I managed to put together the validation and sequence resolving stuff, but had a little problem with making the RelOptTable a RexLiteral. The current patch looks a bit ugly since the changes get everywhere in order to make RexLiteral enclose this RelOptTable object. An alternative I'm thinking is to create a new RexNode type, say, RexTableReference (or RexSequenceReference). Any suggestions, [~julianhyde]?

> Validate and resolve sequence reference as a Table object
> ---------------------------------------------------------
>
>                 Key: CALCITE-992
>                 URL: https://issues.apache.org/jira/browse/CALCITE-992
>             Project: Calcite
>          Issue Type: Sub-task
>            Reporter: Maryann Xue
>            Assignee: Maryann Xue
>             Fix For: 1.6.0
>
>         Attachments: CALCITE-992.suggested.diff
>
>
> Currently the validator does not validate if the sequence exists or if the corresponding table is of the required type, etc. Also, in NEXT_VALUE and CURRENT_VALUE function, we need the sequence Table object instead of the sequence name string.



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