[jira] Updated: (DERBY-4448) ArrayIndexOutOfBoundsException when trying to override generated column

["Knut Anders Hatlen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DERBY-4448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Knut Anders Hatlen updated DERBY-4448:
--------------------------------------

    Attachment: forbid.diff

I tried a simple fix, removing the call to forbidGenerationOverrides() in InsertNode.bindStatement() and instead making sure InsertNode.enhanceAndCheckForAutoincrement() calls RCL.forbidOverrides() on all types of ResultSetNodes.

This made the problematic statement fail gracefully, but it introduced one failure in GeneratedColumnsTest.test_005_basicInsert(). That was the same failure as was seen with the first partial patch for DERBY-4433.

> ArrayIndexOutOfBoundsException when trying to override generated column
> -----------------------------------------------------------------------
>
>                 Key: DERBY-4448
>                 URL: https://issues.apache.org/jira/browse/DERBY-4448
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.5.3.0, 10.6.0.0
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>         Attachments: forbid.diff
>
>
> ij> create table t(a int, b generated always as (-a));
> 0 rows inserted/updated/deleted
> ij> insert into t(b) values (default), (2);
> ERROR XJ001: Java exception: '0 >= 0: java.lang.ArrayIndexOutOfBoundsException'.

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