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TO change a single row filed to 1 and all other to zero codeigniter

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TO change a single row filed to 1 and all other to zero codeigniter

can any one please provide the codeigniter equivalent of this above code

UPDATE table SET 'status_field'=IF(id=4, 1, 0)

the code will toggle all values of status_field to 0 and for the the specified row (with id=4) sets the status_field to 1


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