[jira] Commented: (OPENJPA-1651) Unique colums automatically defined as non-nullable (part 2)

["Michael Dick (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/OPENJPA-1651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12864371#action_12864371 ] 

Michael Dick commented on OPENJPA-1651:
---------------------------------------

Re posting Mark's comments :
A few tips on my sample project: 
The NOT NULL can be checked by simply executing 
$> mvn openjpa:sql 
which generates the database creation SQL script in 
./target/database.sql 

to execute the project you need to create the database upfront in MySQL with 
create database TestDb; 
user 'root' with no password is assumed (persistence.xml) 

After 
$> mvn clean install 
you will see the myString column as empty string instead of NULL when doing a 
mysql> select * from NullFieldTable; 
+----+----------+ 
| PK | myString | 
+----+----------+ 
| 1 | | 
+----+----------+ 
1 row in set (0.00 sec) 

> Unique colums automatically defined as non-nullable (part 2)
> ------------------------------------------------------------
>
>                 Key: OPENJPA-1651
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1651
>             Project: OpenJPA
>          Issue Type: Bug
>            Reporter: Mark Struberg
>         Attachments: openjpa-test.zip
>
>
> Continuing the discussion from OPENJPA-1387. The original issue was closed and marked as shipped in OpenJPA 2.0.0 (one of the betas) - it should not appear in 2.0.1 as well - thus the need for a new issue. 

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