Re: UNIQUE SQL constraint
Re: UNIQUE SQL constraint
- Subject: Re: UNIQUE SQL constraint
- From: Chuck Hill <email@hidden>
- Date: Thu, 15 Dec 2005 15:57:51 -0800
I agree. I have always thought that it was a strange thing to leave
out too.
On Dec 15, 2005, at 3:54 PM, Miguel Arroz wrote:
Hi!
Thanks for the really fast answer! :)
Strange design flaw, specially on a framework ready for usage in
a multiple application instances concurrency environment...
Yours
Miguel Arroz
On 2005/12/15, at 23:51, Chuck Hill wrote:
Short answer: no. :-)
Leaving EOModeler aside, you can add your own constraint.
However, you then have to check for this in
EOGeneralAdaptorExceptions raised during saveChanges. And the
exception differs among databases. All told, it is not as nice
and clean as the rest of EOF.
Chuck
On Dec 15, 2005, at 3:47 PM, Miguel Arroz wrote:
Hi!
Is there a way to tell EOModeler that I want an entity instance
variable to be UNIQUE in the database? In other words, is there a
way to tell EOModeler that, when generating the SQL code, I want
some column to have a UNIQUE constraint?
Yours
Miguel Arroz
"GUERRA E' PAZ
LIBERDADE E' ESCRAVIDAO
IGNORANCIA E' FORCA" -- 1984
Miguel Arroz
http://www.ipragma.com
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"GUERRA E' PAZ
LIBERDADE E' ESCRAVIDAO
IGNORANCIA E' FORCA" -- 1984
Miguel Arroz
http://www.ipragma.com
--
Coming in 2006 - an introduction to web applications using WebObjects
and Xcode http://www.global-village.net/wointro
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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