[jira] [Resolved] (DERBY-6690) ROW_NUMBER should not be allowed in generation clause

["Dag H. Wanvik (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DERBY-6690?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dag H. Wanvik resolved DERBY-6690.
----------------------------------

       Resolution: Fixed
    Fix Version/s: 10.12.0.0

> ROW_NUMBER should not be allowed in generation clause
> -----------------------------------------------------
>
>                 Key: DERBY-6690
>                 URL: https://issues.apache.org/jira/browse/DERBY-6690
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.10.2.0, 10.11.1.1
>            Reporter: Knut Anders Hatlen
>            Assignee: Dag H. Wanvik
>             Fix For: 10.12.0.0
>
>         Attachments: derby-6690.diff
>
>
> The generation clause is allowed to have a call to the ROW_NUMBER function. But it fails when a new row is inserted. It should be disallowed in CREATE TABLE and ALTER TABLE ADD COLUMN.
> {noformat}
> ij> create table t (x int generated always as (row_number() over ()));
> 0 rows inserted/updated/deleted
> ij> insert into t values default;
> ERROR XJ001: Java exception: 'ASSERT FAILED cannot get interface without operand: org.apache.derby.shared.common.sanity.AssertFailure'.
> {noformat}



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