Sourceval migrations_table : string Sourceval quote_statement : string -> string Sourceval to_opt_pair : 'a option -> 'b option -> ('a * 'b) option Sourceval database_exists : string -> bool Lwt.t Sourceval delete_database : string -> unit Lwt.t Sourceval ensure_version_table_exists : Db.t -> unit Lwt.t Sourceval create :
host:'a ->
?port:'b ->
?user:'c ->
?password:'d ->
string ->
unit Lwt.t Sourceval drop :
host:'a ->
?port:'b ->
?user:'c ->
?password:'d ->
string ->
unit Lwt.t Sourceval version :
host:'a ->
?port:'b ->
?user:'c ->
?password:'d ->
database:string ->
unit ->
(int64 * bool) option Lwt.t