val path :
  conf:ImporterSyntax.t -> Format.formatter -> ImportDataTypes.Path.t -> unit
(** Represent a path in a SQL query.

    This function is given in the Expression.Query module. *)

val prepare_key : f:(Format.formatter -> unit) -> Format.formatter -> unit
(** Wrap an expression for beiing used as a key. What’s given to the formater
    will be pre-processed with sql function to trim and uppercase the value.

    This function is used at two location in the code :

    - during the index creation
    - when matching a value against this index *)