Re: EOAttribute's Data Type question
Re: EOAttribute's Data Type question
- Subject: Re: EOAttribute's Data Type question
- From: Chuck Hill <email@hidden>
- Date: Thu, 29 Oct 2009 15:14:14 -0700
On Oct 29, 2009, at 3:04 PM, Ricardo J. Parada wrote:
I decided to move this question into its own email thread:
How does the Data Type chosen for an attribute in entity modeler
affect me?
For example, I see different options related to dates / times: i.e.
Date, Date (MSSQL), Time, Timestamp.
For new attributes I just leave that with the default once I pick
the prototype. But for existing attributes where I have the Data
Type already selected and no prototype chosen, and then choose a
prototype I'm not sure how changing Data Type would affect me.
For example, if my existing attribute named "creationDateTime" had a
Data Type of Timestamp selected and no prototype. And then I set the
prototype to dateTime and change the Data Type to Date. Will that
affect me somehow? :-)
Short answer: yes.
See Value Type here http://wiki.objectstyle.org/confluence/display/WO/EOF-Modeling-Common+Pitfalls+and+Troubleshooting
That is what this is selecting.
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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