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http://issues.apache.org/jira/browse/DERBY-499?page=comments#action_12362582 ] 

Rick Hillegas commented on DERBY-499:
-------------------------------------

It's, admittedly, an odd set of casts and I wonder if anyone really needs them. 
The casts between BOOLEAN and CLOB are inherited from the old Cloudscape days. 
It appears to me that these are required casts according to section 6.12 of 
volume 2 of the 2003 ANSI spec.

> Expose BOOLEAN datatype to end users
> ------------------------------------
>
>          Key: DERBY-499
>          URL: http://issues.apache.org/jira/browse/DERBY-499
>      Project: Derby
>         Type: New Feature
>   Components: SQL
>     Versions: 10.1.1.0
>     Reporter: Rick Hillegas
>     Assignee: Rick Hillegas
>  Attachments: BooleanFS.html, bug499.diff, bug499_doc.zip, 
> bug499_jdk13tests.diff, bug499_rev2.diff, bug499_rev3.diff, bug499_rev4.diff, 
> jdk131BooleanFailures.zip
>
> Veaceslav Chicu started an email thread on 8 August 2005 titled "boolean 
> type". He was disappointed that Derby doesn't support the ansi BOOLEAN 
> datatype. On closer inspection, Derby does internally support this type but 
> does not expose this support to end users.
> Derby should let users declare table columns of type BOOLEAN. This should be 
> an indexable datatype.

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