Repodb.Ddl.Make.D

type connection

type error

val dialect : Driver.dialect

val error_message : error -> string

val connect : string -> (connection, error) result

val close : connection -> unit

val with_connection : 
  string ->
  (connection -> ('a, error) result) ->
  ('a, error) result

val exec : 
  connection ->
  string ->
  params:Driver.Value.t array ->
  (unit, error) result

val query : 
  connection ->
  string ->
  params:Driver.Value.t array ->
  (Driver.row list, error) result

val query_one : 
  connection ->
  string ->
  params:Driver.Value.t array ->
  (Driver.row option, error) result

val query_fold : 
  connection ->
  string ->
  params:Driver.Value.t array ->
  init:'acc ->
  f:('acc -> Driver.row -> 'acc) ->
  ('acc, error) result

val query_iter : 
  connection ->
  string ->
  params:Driver.Value.t array ->
  f:(Driver.row -> unit) ->
  (unit, error) result

val transaction : 
  connection ->
  (connection -> ('a, error) result) ->
  ('a, error) result

val placeholder : int -> string

val returning_supported : bool

val upsert_syntax : [ `PostgreSQL | `SQLite | `Standard ]

val last_insert_id : connection -> (int64, error) result