Give hyperlink on image column in data table

i have one data table,on loading of data table i need to show some images based on some values in one column..and at the same time onclick of that column i need to change that image..it's like falg an dimportant columns in our gmail..At present iam able to show images based on some conditions using "render: getStarredflag,".But on that same column i need to give hyperlink also on click of which we need to update db and change the image.

This is what i have tried,sample code.How to give hyperlink and call test() function onclick of that image column.??