mte/unikernel/duniverse/ocaml-caqti/caqti/lib/caqti_connect_config.mli

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2025-11-11 02:07:51 +01:00
(* Copyright (C) 2023--2025 Petter A. Urkedal <paurkedal@gmail.com>
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or (at your
* option) any later version, with the LGPL-3.0 Linking Exception.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* and the LGPL-3.0 Linking Exception along with this library. If not, see
* <http://www.gnu.org/licenses/> and <https://spdx.org>, respectively.
*)
(** Configuration passed to connect functions. *)
type _ key
type t
(** {2 Construction and Lookup} *)
val default : t
(** The configuration with all keys set to their default values. *)
val get : 'a key -> t -> 'a
(** [get key cfg] is the value associated with [key] in [cfg], which may be a
default value if the key has not been explicitly {!set} or if it has been
{!reset}. *)
val set : 'a key -> 'a -> t -> t
(** [set key value cfg] associates [key] with [value] in [cfg]. *)
val reset : 'a key -> t -> t
(** [reset key cfg] associates [key] with its default value in [cfg]. *)
(** {2 Configuration Keys} *)
val tweaks_version : (int * int) key
(** Declares compatibility with {{!tweaks} database tweaks} introduced up to the
given version of Caqti. Defaults to a conservative value. *)
val dynamic_prepare_capacity : int key
(** The maximum number of dynamic queries to keep in the prepare-cache. *)
(**/**) (* for internal use *)
val create_key : string -> 'a -> 'a key
val mem_name : string -> t -> bool