How to bind SQL statements to web buttons

At present, it is flask A... Is bound under the route sql Query statement , Open the web page to see the data table . You also want to set a button under the data table , After clicking, you can query the data of the specified row and draw a graph （ Code in .py Already written in the document ）, The picture is displayed on the current page .
It seems that creating a new route can solve , Would like to ask if there is any way to implement it on a page