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https://issues.apache.org/jira/browse/DERBY-2605?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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James F. Adams updated DERBY-2605:
----------------------------------

    Attachment: d2605_v1.stat
                d2605_v1.patch

Attached is a patch that addresses the ability to create columns where the data 
type of the column is currently for internal use or otherwise not exposed to 
the user.

I added an isInternalTypeId method to TypeId and defined the following types as 
being for internal use:

BOOLEAN
NATIONAL CHAR
NATIONAL LONGVARCHAR
NATIONAL VARCHAR
REF
TINYINT
USERDEFINED
NCLOB

CreateTableNode was updated to use this method to check the data type of each 
column.
A new message was added.
A new test was added.

This patch does not address the situation with the VALUES statement desribed by 
Army.  I am wondering if the VALUES statement should even be allowed to create 
rows with invalid decimal precision.

> You can create BOOLEAN columns in 10.3
> --------------------------------------
>
>                 Key: DERBY-2605
>                 URL: https://issues.apache.org/jira/browse/DERBY-2605
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.3.0.0
>            Reporter: Rick Hillegas
>         Assigned To: James F. Adams
>         Attachments: d2605_v1.patch, d2605_v1.stat
>
>
> The work on DERBY-64 seems to have opened up a wormhole by which you can 
> create user tables with BOOLEAN columns. The following script shows how to do 
> this:
> drop table foo;
> create table foo
> as select systemalias from sys.sysaliases with no data;
> rename column foo.systemalias to boolcol;
> alter table foo
>   alter column boolcol null;
> select c.columndatatype
> from sys.syscolumns c, sys.systables t
> where t.tableid=c.referenceid
> and t.tablename='FOO';
> insert into foo( boolcol )
> values
> ( 0 ),
> ( 1 ),
> ( cast (null as int) )
> ;
> select * from foo;

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