Using the result of a comma expression is deprecated

[Suliman via Digitalmars-d-learn]

I am getting deprecation message:
"Using the result of a comma expression is deprecated" on this 
code:

string sqlinsert = (`INSERT INTO usersshapes (userlogin, 
uploading_date, geometry_type, data) VALUES ('%s', '%s', '%s', 
'%s') `, login, uploading_date, geometry_type, data);

What's wrong with it?