(internal) Library for Drivers
val linear_param_length : Caqti_request.template -> intlinear_param_length templ is the number of linear parameters expected by a query represented by templ.
val linear_param_order : Caqti_request.template -> int list listlinear_param_order templ is a list where item number i is a list of positions of the linearized query which refer to the ith incoming parameter. Positions are zero-based.
val linear_query_string : Caqti_request.template -> stringlinear_query_string templ is templ where "?" is substituted for parameters.