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Re: Output 3 - _cm_output_multi() [message #7637 is a reply to message #7635]

Thu, 12 August 2021 05:04

AJM
Messages: 2367
Registered: April 2006
Location: Surrey, UK

Senior Member

When a navigation button is pressed the $where and $selection strings which are passed to the next task are obtained from the inner table of the current task. The $where string is what was used as the $where argument in the _cm_pre_getData() method while the $selection string is constructed from all those rows from the inner table which were marked as selected.

Note that if the names of the primary key fields in the outer table of the LIST2 screen are different from the corresponding foreign key names of the inner table then these will have to be adjusted if you wish to reconstruct the primary key of the outer table. This adjustment can be done in either the _cm_initialise() method of the next task or at the start of the _cm_pre_getData() method.

My usual practice is the use the same field names in both the primary and foreign keys, with the only exception being when there is more than one relationship between the two tables, or when a table is related to itself.

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

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[Message index]

		Output 3 - _cm_output_multi() By: htManager on Tue, 03 August 2021 16:14
		Re: Output 3 - _cm_output_multi() By: htManager on Wed, 04 August 2021 05:21
		Re: Output 3 - _cm_output_multi() By: AJM on Wed, 04 August 2021 05:22
		Re: Output 3 - _cm_output_multi() By: htManager on Wed, 04 August 2021 06:19
		Re: Output 3 - _cm_output_multi() By: AJM on Thu, 05 August 2021 04:57
		Re: Output 3 - _cm_output_multi() By: AJM on Thu, 05 August 2021 05:03
		Re: Output 3 - _cm_output_multi() By: htManager on Thu, 05 August 2021 11:50
		Re: Output 3 - _cm_output_multi() By: AJM on Thu, 05 August 2021 13:46
		Re: Output 3 - _cm_output_multi() By: htManager on Fri, 06 August 2021 05:06
		Re: Output 3 - _cm_output_multi() By: AJM on Sat, 07 August 2021 05:16
		Re: Output 3 - _cm_output_multi() By: htManager on Sat, 07 August 2021 05:45
		Re: Output 3 - _cm_output_multi() By: AJM on Sun, 08 August 2021 06:00
		Re: Output 3 - _cm_output_multi() By: htManager on Sun, 08 August 2021 07:31
		Re: Output 3 - _cm_output_multi() By: htManager on Mon, 09 August 2021 04:07
		Re: Output 3 - _cm_output_multi() By: AJM on Tue, 10 August 2021 04:33
		Re: Output 3 - _cm_output_multi() By: htManager on Tue, 10 August 2021 06:34
		Re: Output 3 - _cm_output_multi() By: AJM on Wed, 11 August 2021 05:04
		Re: Output 3 - _cm_output_multi() By: htManager on Wed, 11 August 2021 16:09
		Re: Output 3 - _cm_output_multi() By: AJM on Thu, 12 August 2021 05:04
		Re: Output 3 - _cm_output_multi() By: htManager on Sat, 14 August 2021 04:26
		Re: Output 3 - _cm_output_multi() By: AJM on Sat, 14 August 2021 04:56
		Re: Output 3 - _cm_output_multi() By: htManager on Tue, 17 August 2021 06:54
		Re: Output 3 - _cm_output_multi() By: htManager on Mon, 30 August 2021 09:52
		Re: Output 3 - _cm_output_multi() By: AJM on Tue, 31 August 2021 04:52
		Re: Output 3 - _cm_output_multi() By: htManager on Thu, 02 September 2021 11:34
		Re: Output 3 - _cm_output_multi() By: AJM on Fri, 03 September 2021 04:48
		Re: Output 3 - _cm_output_multi() By: htManager on Sun, 24 October 2021 05:40
		Re: Output 3 - _cm_output_multi() By: AJM on Mon, 25 October 2021 04:47
		Re: Output 3 - _cm_output_multi() By: htManager on Mon, 25 October 2021 06:36
		Re: Output 3 - _cm_output_multi() By: AJM on Tue, 26 October 2021 04:37
		Re: Output 3 - _cm_output_multi() By: htManager on Tue, 26 October 2021 06:29
		Re: Output 3 - _cm_output_multi() By: AJM on Wed, 27 October 2021 04:37

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