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%% Modeled from ODBC
%% http://www.erlang.org/doc/apps/odbc/
-module(mysqlerl).
-author('bjc@kublai.com').
-export([test_start/0, test_msg/0]).
-export([start/0, start/1, stop/0, commit/2, commit/3,
connect/6, disconnect/1, describe_table/2,
describe_table/3, first/1, first/2,
last/1, last/2, next/1, next/2, prev/1,
prev/2, select_count/2, select_count/3,
select/3, select/4, param_query/3, param_query/4,
sql_query/2, sql_query/3]).
-define(CONFIG, "/Users/bjc/tmp/test-server.cfg").
-define(NOTIMPLEMENTED, {error, {not_implemented,
"This function has only been stubbed "
"out for reference."}}).
test_start() ->
{ok, [{Host, Port, DB, User, Pass, Options}]} = file:consult(?CONFIG),
mysqlerl:connect(Host, Port, DB, User, Pass, Options).
test_msg() ->
mysqlerl_connection:testmsg(mysqlerl_connection_sup:random_child()).
start() ->
start(temporary).
%% Arguments:
%% Type = permanent | transient | temporary
%%
%% Returns:
%% ok | {error, Reason}
start(Type) ->
application:start(sasl),
application:start(mysqlerl, Type).
stop() ->
application:stop(mysqlerl).
commit(Ref, CommitMode) ->
commit(Ref, CommitMode, infinity).
%% Arguments:
%% Ref = connection_reference()
%% Timeout = time_out()
%% CommitMode = commit | rollback
%% Reason = not_an_explicit_commit_connection |
%% process_not_owner_of_odbc_connection |
%% common_reason()
%% ok | {error, Reason}
commit(Ref, commit, Timeout) ->
mysqlerl_connection:sql_query(Ref, "COMMIT", Timeout);
commit(Ref, rollback, Timeout) ->
mysqlerl_connection:sql_query(Ref, "ROLLBACK", Timeout).
%% Arguments:
%% Host = string()
%% Port = integer()
%% Database = string()
%% User = string()
%% Password = string()
%% Options = list()
%%
%% Returns:
%% {ok, Ref} | {error, Reason}
%% Ref = connection_reference()
connect(Host, Port, Database, User, Password, Options) ->
mysqlerl_connection_sup:connect(Host, Port, Database,
User, Password, Options).
%% Arguments:
%% Ref = connection_reference()
%%
%% Returns:
%% ok | {error, Reason}
disconnect(Ref) ->
mysqlerl_connection:stop(Ref).
describe_table(Ref, Table) ->
describe_table(Ref, Table, infinity).
%% Arguments:
%% Ref = connection_reference()
%% Table = string()
%% Timeout = time_out()
%%
%% Returns:
%% {ok, Description} | {error, Reason}
%% Description = [{col_name(), odbc_data_type()}]
describe_table(_Ref, _Table, _Timeout) ->
?NOTIMPLEMENTED.
first(Ref) ->
first(Ref, infinity).
%% Arguments:
%% Ref = connection_reference()
%% Timeout = time_out()
%% Returns:
%% {selected, ColNames, Rows} | {error, Reason}
%% Rows = rows()
first(_Ref, _Timeout) ->
?NOTIMPLEMENTED.
last(Ref) ->
last(Ref, infinity).
%% Arguments:
%% Ref = connection_reference()
%% Timeout = time_out()
%% Returns:
%% {selected, ColNames, Rows} | {error, Reason}
%% Rows = rows()
last(_Ref, _Timeout) ->
?NOTIMPLEMENTED.
next(Ref) ->
next(Ref, infinity).
%% Arguments:
%% Ref = connection_reference()
%% Timeout = time_out()
%% Returns:
%% {selected, ColNames, Rows} | {error, Reason}
%% Rows = rows()
next(_Ref, _Timeout) ->
?NOTIMPLEMENTED.
prev(Ref) ->
prev(Ref, infinity).
%% Arguments:
%% Ref = connection_reference()
%% Timeout = time_out()
%% Returns:
%% {selected, ColNames, Rows} | {error, Reason}
%% Rows = rows()
prev(_Ref, _Timeout) ->
?NOTIMPLEMENTED.
select_count(Ref, SQLQuery) ->
select_count(Ref, SQLQuery, infinity).
%% Arguments:
%% Ref = connection_reference()
%% SQLQuery = string()
%% Timeout = time_out()
%% Returns:
%% {ok, NrRows} | {error, Reason}
%% NrRows = n_rows()
select_count(_Ref, _SQLQuery, _Timeout) ->
?NOTIMPLEMENTED.
select(Ref, Pos, N) ->
select(Ref, Pos, N, infinity).
%% Arguments:
%% Ref = connection_reference()
%% Pos = integer()
%% Timeout = time_out()
%% Returns:
%% {selected, ColNames, Rows} | {error, Reason}
%% Rows = rows()
select(_Ref, _Pos, _N, _Timeout) ->
?NOTIMPLEMENTED.
param_query(Ref, SQLQuery, Params) ->
param_query(Ref, SQLQuery, Params, infinity).
%% Arguments:
%% Ref = connection_reference()
%% SQLQuery = string()
%% Params = [{odbc_data_type(), [value()]}]
%% Timeout = time_out()
%% Returns:
%% {selected, ColNames, Rows} | {error, Reason}
%% Rows = rows()
param_query(_Ref, _SQLQuery, _Params, _Timeout) ->
?NOTIMPLEMENTED.
sql_query(Ref, SQLQuery) ->
sql_query(Ref, SQLQuery, infinity).
%% Arguments:
%% Ref = connection_reference()
%% SQLQuery = string()
%% Timeout = time_out()
%% Returns:
%% {selected, ColNames, Rows} | {error, Reason}
%% Rows = rows()
sql_query(_Ref, _SQLQuery, _Timeout) ->
?NOTIMPLEMENTED.
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