[jira] Updated: (DERBY-4006) ALTER COLUMN ... WITH DEFAULT NULL does not change the default

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

     [ https://issues.apache.org/jira/browse/DERBY-4006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Knut Anders Hatlen updated DERBY-4006:
--------------------------------------

           Derby Info: [Regression]
    Affects Version/s: 10.2.2.0
                       10.3.1.4
                       10.3.2.1
                       10.3.3.0
                       10.4.1.3

This is a regression introduced between 10.2.1.6 and 10.2.2.0.

> ALTER COLUMN ... WITH DEFAULT NULL does not change the default
> --------------------------------------------------------------
>
>                 Key: DERBY-4006
>                 URL: https://issues.apache.org/jira/browse/DERBY-4006
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.2.2.0, 10.3.1.4, 10.3.2.1, 10.3.3.0, 10.4.1.3, 10.4.2.0
>            Reporter: Knut Anders Hatlen
>
> Reported on derby-user.
> http://mail-archives.apache.org/mod_mbox/db-derby-user/200901.mbox/%3c21349727.post@talk.nabble.com%3e
> ij> create table t (x varchar(5) default 'abc');
> 0 rows inserted/updated/deleted
> ij> alter table t alter column x with default null;
> 0 rows inserted/updated/deleted
> ij> insert into t values default;
> 1 row inserted/updated/deleted
> ij> select * from t;
> X    
> -----
> abc  
> 1 row selected

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