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UPDATE IGNORE question

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Old February 6th, 2012, 08:38 AM
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UPDATE IGNORE question
PHP Code:
 mysql_affected_rows() 
php function displays affected or not affected data (1,0).

This value is 1, if the row has been updated and 0 when it is not.

This could be because of

a) replacing and existing data are the same AND b) replacing data matches another existing unique key.

I want to get only those rows that have not been updated because of case b) in a MySql query UPDATE IGNORE...
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