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Re: DB-Connections in for-loop?
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Re: DB-Connections in for-loop?


  • Subject: Re: DB-Connections in for-loop?
  • From: Ken Anderson <email@hidden>
  • Date: Tue, 18 Oct 2005 13:28:10 -0400

How about updating a single database and having triggers update the other DB's?

On Oct 18, 2005, at 1:20 PM, Chuck Hill wrote:


On Oct 17, 2005, at 1:23 AM, Ute Hoffmann wrote:


Hallo,
do you think it si possible to do this:

Have a for-loop which loops through a list of database connections.
Each loop sets the value of a given modelfile to those of a different DB, then makes a connection, updates some values, closes the connection....



You will need to create a different model group for each if the models have entities with the same name. That means then that they will have different snapshot stores and you can't "localInstanceOfObject" from one the other (hmmm, I think).

Closing the connection and discarding the EOF stack may also take you into buggy EOF territory.



Is that possible or will I get myself into trouble with that design.


My guess would be trouble.



Background: I have a number of identical DB's and want to update/ hand over some values from a different WOApp into those DB's.


I'd look at other alternatives.

Chuck


--
Coming in 2006 - an introduction to web applications using WebObjects and Xcode http://www.global-village.net/wointro


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  • Follow-Ups:
    • Re: DB-Connections in for-loop?
      • From: Arturo Perez <email@hidden>
References: 
 >DB-Connections in for-loop? (From: Ute Hoffmann <email@hidden>)
 >Re: DB-Connections in for-loop? (From: Chuck Hill <email@hidden>)

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