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 >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> Do not post admin requests to the list. They will be ignored. >>>> Webobjects-dev mailing list ([email protected]) >>>> Help/Unsubscribe/Update your Subscription: >>>> http://lists.apple.com/mailman/options/webobjects-dev/jlmiller%40kahalawai.com >>>> >>>> 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 >> >> >> >> >> >> >> >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Webobjects-dev mailing list ([email protected]) >> Help/Unsubscribe/Update your Subscription: >> http://lists.apple.com/mailman/options/webobjects-dev/kieran_lists%40mac.com >> >> This email sent to [email protected] > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Webobjects-dev mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/webobjects-dev/mschrag%40pobox.com > > This email sent to [email protected] _______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [email protected]
