Class Ocamlodbc.data_base

class data_base : string -> string -> string -> object .. end

The class which represents a connection to a database. The connection occurs when the object is created.

Raises SQL_Error if an error occured during the connection to the database.

method connect : unit -> unit

Deprecated.The connection to the database oocurs when the object is created.

method disconnect : unit -> unit

Disconnect from the database. The objet should not be used after calling this method.

Raises SQL_Error if an error occurs while disconnecting.

method execute : string -> int * string option list list

#execute q executes query q and returns the result as a pair (error_code, recordlist), where a record is a string list. The error_code is 0 if no error occured.

method execute_with_info : string ->
       int * (string * sql_column_type) list * string option list list

#execute_with_info q executes query q and returns the result as a tuple (error_code, type_list, record list), where type_list indicates the SQL types of the returned columns, and a record is a string list.

The error_code is 0 if no error occured.

method execute_gen : ?get_info:bool ->
       ?n_rec:int ->
       string ->
       (string option list list -> unit) ->
       int * (string * sql_column_type) list

#execute_gen get_info n_rec q callback executes query q and invokes callback on successful blocks of the results (of n_rec records each). Each record is a string list of fields. The result is a tuple (error_code, type_list). The error_code is 0 if no error occurred, type_list is empty if get_info is false.