Re: EOPrototype in Entity Modeler question
Re: EOPrototype in Entity Modeler question
- Subject: Re: EOPrototype in Entity Modeler question
- From: "Ricardo J. Parada" <email@hidden>
- Date: Thu, 29 Oct 2009 17:59:01 -0400
On Oct 29, 2009, at 5:39 PM, Mike Schrag wrote:
oh wait ... you're going from no prototype to a prototype. yeah i'm
not sure it will remove those -- as far as it knows you have an
override of those values. this has been a debate i've had with
myself for a while (and i think with the list a couple years ago,
too), whether if you set a prototype, should it automatically
replace every prototyped value in the attribute. the reason i have
avoided this is that i tend to not implement features that LOSE
information. however, it's debatable in this case what your intent
actually IS -- if you set a prototype, PROBABLY you mean you want
all the settings of the prototype applied. This gets a lot hazier,
though, if you're talking about the width of a string -- if you
change from one string prototype to another, did you intend to blow
away the width? maybe only on the ones that explicitly set a width,
i guess?
That makes total sense. :-)
In my original email I was looking for a way to clear all the values
so that there are no overrides and then set the prototype. So that's
really a feature request. But I'm handling it manually right
now. :-) I can live with that. I use subclipse's Team Synchronize
view to see these things and clean them up.
anyway, i'm not SURE that's what you're seeing but I suspect it is.
is valueClassName being removed at least? i don't test much going
from no prototype to a prototype, so i'm sure there are weird edge
cases of this.
Yes, valueClassName is being removed!
By the way, how does the Data Type chosen for an attribute 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 (either date or
dateTime). But for existing attributes where I have the Data Type
already selected 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? :-)
Thanks,
Ricardo
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