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Re: list2 not respecting list1 key [message #2232 is a reply to message #1855]

Sun, 19 July 2009 06:23

AJM
Messages: 2386
Registered: April 2006
Location: Surrey, UK

Senior Member

The mechanics of passing context between objects - either in different tasks or the same task - is described in Passing context between objects.

If the same field has different names in different objects then pay attention to Different Names for the same field.

Note that although the $parent_relations array contains information regarding which fields are used in the relationship between two tables, or even where a table is related to itself, this is only used in the ON clause of a JOIN when that table object is asked to construct an sql SELECT statement prior to retrieving its own data. This information cannot be used to automatically translate field names in a WHERE string which is passed down from an external source as there is no information which identifies which of the many possible relationships is involved.

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

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[Message index]

		list2 not respecting list1 key By: rgervais on Fri, 30 March 2007 09:56
		Re: list2 not respecting list1 key By: AJM on Fri, 30 March 2007 10:45
		Re: list2 not respecting list1 key By: rgervais on Fri, 30 March 2007 13:12
		Re: list2 not respecting list1 key By: AJM on Fri, 30 March 2007 13:45
		Re: list2 not respecting list1 key By: rgervais on Fri, 30 March 2007 16:33
		Re: list2 not respecting list1 key By: AJM on Fri, 30 March 2007 16:59
		Re: list2 not respecting list1 key By: rgervais on Sat, 31 March 2007 07:54
		Re: list2 not respecting list1 key By: AJM on Sat, 31 March 2007 08:22
		Re: list2 not respecting list1 key By: AJM on Sat, 31 March 2007 10:46
		Re: list2 not respecting list1 key By: rgervais on Sun, 01 April 2007 20:44
		Re: list2 not respecting list1 key By: David Lee on Sat, 15 November 2008 07:32
		Re: list2 not respecting list1 key By: AJM on Sat, 15 November 2008 09:36
		Re: list2 not respecting list1 key By: David Lee on Sun, 16 November 2008 12:02
		Re: list2 not respecting list1 key By: AJM on Sun, 16 November 2008 12:22
		Re: list2 not respecting list1 key By: AJM on Sun, 19 July 2009 06:23

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