[ 
http://issues.apache.org/jira/browse/DERBY-499?page=comments#action_12366417 ] 

Kathey Marsden commented on DERBY-499:
--------------------------------------

Apparently there was a problem with my original mail going to the list so I 
will make a link here.
http://issues.apache.org/jira/browse/DERBY-499#action_12366383

In Ricks response he said

>Let me punch up the importance of this point: Our own production code already 
>>relies on pre-existing illegal casts and comparisons. Quite likely, some of 
>our customers do too.

Yes, this is one problem I am happy to defer to another day. It would only be 
exacerbated now by allowing user-declarable BOOLEAN columns/args.


>In summary:

>o I think that we should back out user-declarable BOOLEAN columns/args one way 
>or another.

great in svn merge  you can just reverse the order of change number to back out 
the patch, but there may be conflicts due to intervening changes.

svn merge -r 1234:1233   https://svn.apache.org/repos/asf/db/derby/code/trunk

>o If (1) and (2) are showstoppers, they are showstoppers regardless of what we 
>do about user-declarable BOOLEAN columns/args.

I don't think so.  If we just leave it just like 10.1 is for now and think on 
this whole problem a bit more for how to create a BOOLEAN type for 10.3.



> 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_jdk13tests_rev2.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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