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Re: many to many and field names [message #522 is a reply to message #521]

Thu, 04 January 2007 13:25

AJM
Messages: 2382
Registered: April 2006
Location: Surrey, UK

Senior Member

I avoid conventions like this because they cause more problems than they solve, just like the problem you have just encountered. See http://www.tonymarston.net/php-mysql/technicalkeys.html#wors e1 for a more detailed explanation of this problem.

Your problem is that the WHERE clause passed down from the parent form contains "id='something'" but the column name 'id' has to be translated into either 'employee_id' or 'group_id' depending on the parent form. It would be possible to obtain the name of the previous form using either the getPreviousScript() or getPreviousTask() functions, but I would strongly recommend dropping that convention and change the primary key for each table so that instead of 'id' you have '<tablename>_id' instead. This will cause fewer problems in the long run.

Tony Marston
http://www.tonymarston.net
http://www.radicore.org

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		many to many and field names By: interop on Thu, 04 January 2007 11:10
		Re: many to many and field names By: AJM on Thu, 04 January 2007 13:25

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