I never noticed your comment until 5 seconds ago!! :-)

-Kieran

On Jun 2, 2010, at 10:45 AM, Mike Schrag wrote:

> you never responded to my comment btw :)
> 
> ms
> 
> On Jun 2, 2010, at 10:38 AM, Kieran Kelleher wrote:
> 
>> FYI, prototypes of derived columns don't exactly work in EntityModeler. So 
>> you need to write the derived prototype config on a piece of paper and 
>> recreate those derived attributes from your notes on that piece of paper 
>> instead ;-)
>> 
>> http://issues.objectstyle.org/jira/browse/WOL-1153
>> 
>> 
>> On Jun 1, 2010, at 7:35 PM, Chuck Hill wrote:
>> 
>>> Now there is a bit of smart thinking!  Make it a prototype and you retain 
>>> some measure of database independence.
>>> 
>>> Chuck
>>> 
>>> 
>>> On Jun 1, 2010, at 4:20 PM, Johnny Miller wrote:
>>> 
>>>> Could he follow your advice, about using SQL, and create a derived column 
>>>> in his model and then use a standard qualifier against the derived column?
>>>> 
>>>> On Jun 1, 2010, at 12:53 PM, Chuck Hill wrote:
>>>> 
>>>>> 
>>>>> On Jun 1, 2010, at 3:30 PM, Joe Kramer wrote:
>>>>> 
>>>>>> Hi all,
>>>>>> 
>>>>>> I may be barking up the wrong tree here, but I wanted someone to confirm 
>>>>>> that for me.  I have a simple Person EO with a NSTimestamp attribute for 
>>>>>> birthdate.  I'm wondering if it is possible to create a qualifier to get 
>>>>>> all the people whose birthday is in a particular month (May, for 
>>>>>> example).  The year doesn't matter so I can't do a simple ">" or "<".  
>>>>>> If this isn't possible (or efficient) I can change the data model to 
>>>>>> capture the birth month separately.  Then I can just set the month 
>>>>>> programatically when a new person is created and use that value as the 
>>>>>> qualifier.  Just curious what others think.
>>>>> 
>>>>> 
>>>>> Define "possible".  :-P  The SQL way is
>>>>> 
>>>>> select extract(MONTH from col_name) from table_name;
>>>>> 
>>>>> So you could write a custom qualifier to do this.  Generally, writing 
>>>>> qualifiers ranks as "non trivial".  I don't know of an existing qualifier 
>>>>> that you can use.  Depending on your needs, SQL might be the way to go.  
>>>>> See EOSQLQualifier JavaDocs.
>>>>> 
>>>>> 
>>>>> Chuck
>>>>> 
>>>>> -- 
>>>>> Chuck Hill             Senior Consultant / VP Development
>>>>> 
>>>>> Practical WebObjects - for developers who want to increase their overall 
>>>>> knowledge of WebObjects or who are trying to solve specific problems.
>>>>> http://www.global-village.net/products/practical_webobjects
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> _______________________________________________
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>>>>> This email sent to [email protected]
>>>> 
>>>> Johnny Miller
>>>> Kahalawai Media Corp
>>>> http://www.kahalawai.com
>>>> 
>>>> 
>>>> 
>>> 
>>> -- 
>>> Chuck Hill             Senior Consultant / VP Development
>>> 
>>> Practical WebObjects - for developers who want to increase their overall 
>>> knowledge of WebObjects or who are trying to solve specific problems.
>>> http://www.global-village.net/products/practical_webobjects
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
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>> 
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