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Re: Delete2 deletes the wrong records... where's my error? [message #1216 is a reply to message #1215]

Thu, 10 January 2008 05:07

AJM
Messages: 2381
Registered: April 2006
Location: Surrey, UK

Senior Member

Even though the order_id is passed down in the WHERE clause it has to be included in the list of selected column names so that it appears in $fieldarray. It is the contents of this array which is used to construct the list of primary keys for the selected records.

An SQL error will only be generated if there is a syntax error in the SQL statement, such as an unknown column or table name, or an unknown or missing keyword. Issuing a DELETE for a record which does not exist will not produce an error - it will simply report that zero rows were affected.

Whenever an SQL statement contains a WHERE clause it will only work on those records which actually match that clause, which may not be the same as those records which you think ought to match.

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

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[Message index]

		Delete2 deletes the wrong records... where's my error? By: ikatz on Fri, 28 December 2007 18:05
		Re: Delete2 deletes the wrong records... where's my error? By: AJM on Sat, 29 December 2007 04:48
		Re: Delete2 deletes the wrong records... where's my error? By: ikatz on Mon, 31 December 2007 12:50
		Re: Delete2 deletes the wrong records... where's my error? By: AJM on Mon, 31 December 2007 13:31
		Re: Delete2 deletes the wrong records... where's my error? By: ikatz on Wed, 02 January 2008 14:51
		Re: Delete2 deletes the wrong records... where's my error? By: AJM on Wed, 02 January 2008 15:29
		Re: Delete2 deletes the wrong records... where's my error? By: ikatz on Fri, 04 January 2008 17:33
		Re: Delete2 deletes the wrong records... where's my error? By: AJM on Fri, 04 January 2008 18:01
		Re: Delete2 deletes the wrong records... where's my error? By: ikatz on Wed, 09 January 2008 15:51
		Re: Delete2 deletes the wrong records... where's my error? By: AJM on Wed, 09 January 2008 16:49
		Re: Delete2 deletes the wrong records... where's my error? By: ikatz on Wed, 09 January 2008 20:05
		Re: Delete2 deletes the wrong records... where's my error? By: AJM on Thu, 10 January 2008 05:07

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