Miscom on my part. By driver I meant the nginx module that's calling out to libpq (which would more accurately be referred to as the DB driver). I meant that l

Miscom on my part. By driver I meant the nginx module that's calling out to libpq (which would more accurately be referred to as the DB driver). I meant that libpq supports bind variables and the nginx module should be using them rather than performing a string substitution.