/************************************************************************* * * * YAP Prolog * * * * Yap Prolog was developed at NCCUP - Universidade do Porto * * * * Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 * * * ************************************************************************** * * * File: myddas.yap * * Last rev: * * mods: * * comments: Global predicates for the MyDDAS Interface * * * *************************************************************************/ :- module(myddas,[ db_open/5, db_close/1, db_verbose/1, db_module/1, db_is_database_predicate/3, db_stats/2, db_sql_select/3, db_insert/2, db_create_table/3, db_export_view/4, db_get_attributes_types/3, db_number_of_fields/3, % myddas_assert_predicates.yap db_import/3, db_view/3, db_insert/3, % myddas_mysql.yap db_my_open/5, db_my_close/1, db_my_import/3, db_my_view/3, db_my_insert/2, db_my_insert/3, db_my_result_set/1, db_my_describe/2, db_my_describe/3, db_my_show_tables/1, db_my_show_tables/2, db_my_sql_select/3, db_my_number_of_fields/3, db_my_get_attributes_types/3 ]). :- use_module(myddas_assert_predicates,[ db_import/3, db_view/3, db_insert/3 ]). :- use_module(myddas_mysql,[ db_my_open/5, db_my_close/1, db_my_import/3, db_my_view/3, db_my_insert/2, db_my_insert/3, db_my_result_set/1, db_my_describe/2, db_my_describe/3, db_my_show_tables/1, db_my_show_tables/2, db_my_sql_select/3, db_my_number_of_fields/3, db_my_get_attributes_types/3 ]). :- use_module(myddas_util_predicates,[ '$process_sql_goal'/4, '$process_fields'/3, '$get_values_for_insert'/3, '$make_atom'/2, '$write_or_not'/1, '$abolish_all'/1, '$make_a_list'/2 ]). :- use_module(myddas_errors,[ '$error_checks'/1 ]). :- use_module(myddas_prolog2sql,[ translate/3 ]). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % db_open/5 % % db_open(mysql,Connection,Host/Db,User,Password) :-!, '$error_checks'(db_open(mysql,Connection,Host/Db,User,Password)), c_db_my_connect(Host,User,Password,Db,Con), set_value(Connection,Con). db_open(odbc,Connection,ODBCEntry,User,Password) :-!, '$error_checks'(db_open(odbc,Connection,ODBCEntry,User,Password)), c_db_odbc_connect(ODBCEntry,User,Password,Con), set_value(Connection,Con). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % db_close/1 % % db_close(Connection):- '$error_checks'(db_close(Connection)), get_value(Connection,Con), '$abolish_all'(Con). db_close(Connection) :- '$error_checks'(db_close(Connection)), get_value(Connection,Con), c_db_connection_type(Con,ConType), ( ConType == mysql -> c_db_my_disconnect(Con) ; c_db_odbc_disconnect(Con) ), set_value(Connection,[]). % "deletes" atom %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % db_verbose/1 % % db_verbose(X):- var(X),!, get_value(db_verbose,X). db_verbose(1):-!, set_value(db_verbose,1). db_verbose(_):- set_value(db_verbose,0). %default value :- db_verbose(0). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % db_module/1 % % db_module(X):- var(X),!, get_value(db_module,X). db_module(ModuleName):- set_value(db_module,ModuleName). % default value :- db_module(user). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % db_is_database_predicate/3 % % db_is_database_predicate(PredName,Arity,Module):- '$error_checks'(db_is_database_predicate(PredName,Arity,Module)), c_db_check_if_exists_pred(PredName,Arity,Module). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % db_stats/2 % % :- set_value(db_myddas_stats_count,0). db_stats(Connection,List):- NumberOfStats = 6, '$make_a_list'(NumberOfStats,List), ( var(Connection) -> c_db_stats(0,List) ; get_value(Connection,Conn), c_db_stats(Conn,List) ), write('MYDDAS'),nl,write(List),nl, get_value(db_myddas_stats_count,Value), write(Value),nl. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % db_sql_select/3 % % db_sql_select(Connection,SQL,LA):- '$error_checks'(db_sql_select(Connection,SQL,LA)), get_value(Connection,Con), c_db_connection_type(Con,ConType), ( ConType == mysql -> c_db_my_number_of_fields_in_query(SQL,Con,Arity) ; c_db_odbc_number_of_fields(SQL,Con,Arity) ), '$make_a_list'(Arity,LA), '$write_or_not'(SQL), ( ConType == mysql -> db_my_result_set(Mode), c_db_my_query(SQL,ResultSet,Con,Mode),!, c_db_my_row(ResultSet,Arity,LA) ; '$make_a_list'(Arity,BindList), c_db_odbc_query(SQL,ResultSet,Arity,BindList,Con),!, c_db_odbc_row(ResultSet,BindList,LA) ). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % db_insert/2 % % db_insert(Connection,PredName):- translate(PredName,PredName,Code), '$error_checks'(db_insert2(Connection,PredName,Code)), '$get_values_for_insert'(Code,ValuesList,RelName), '$make_atom'(['INSERT INTO ',RelName,' VALUES'|ValuesList],SQL), get_value(Connection,Con), c_db_connection_type(Con,ConType), '$write_or_not'(SQL), ( ConType == mysql -> db_my_result_set(Mode), c_db_my_query(SQL,_,Con,Mode) ; c_db_odbc_query(SQL,_,_,_,Con) ). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % db_create_table/3 % FieldsList = [field(Name,Type,Null,Key,DefaultValue)] % Example [field(campo1,'char(12)',y,y,a),field(campo2,int,y,y,0)] % TODO Test with ODBC & Type Checks db_create_table(Connection,TableName,FieldsInf):- '$error_checks'(db_create_table(Connection,TableName,FieldsInf)), get_value(Connection,Con), '$process_fields'(FieldsInf,FieldString,KeysSQL), '$make_atom'(['CREATE TABLE `',TableName,'` ( ',FieldString,KeysSQL,' )'],FinalSQL), c_db_connection_type(Con,ConType), '$write_or_not'(FinalSQL), ( ConType == mysql -> db_my_result_set(Mode), c_db_my_query(FinalSQL,_,Con,Mode) ; c_db_odbc_query(FinalSQL,_,_,_,Con) ). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % db_export_view/4 % TODO Test with ODBC % db_export_view(Connection,TableViewName,SQLorDbGoal,FieldsInf):- '$error_checks'(db_export_view(Connection,TableViewName,SQLorDbGoal,FieldsInf)), get_value(Connection,Con), '$process_sql_goal'(TableViewName,SQLorDbGoal,TableName,SQL), % Case there's some information about the % attribute fields of the relation given % by the user ( FieldsInf == [] -> '$make_atom'(['CREATE TABLE ',TableName,' AS ',SQL],FinalSQL) ; '$process_fields'(FieldsInf,FieldString,KeysSQL), '$make_atom'(['CREATE TABLE ',TableName,' (',FieldString,KeysSQL,') AS ',SQL],FinalSQL) ), c_db_connection_type(Con,ConType), '$write_or_not'(FinalSQL), ( ConType == mysql -> db_my_result_set(Mode), c_db_my_query(FinalSQL,_,Con,Mode) ; c_db_odbc_query(FinalSQL,_,_,_,Con) ). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % db_get_attributes_types/3 % % db_get_attributes_types(Connection,RelationName,TypesList) :- '$error_checks'(db_get_attributes_types(Connection,RelationName,TypesList)), get_value(Connection,Con), c_db_connection_type(Con,ConType), ( ConType == mysql -> c_db_my_number_of_fields(RelationName,Con,Arity) ; c_db_odbc_number_of_fields(RelationName,Con,Arity) ), Size is 2*Arity, '$make_a_list'(Size,TypesList), c_db_connection_type(Con,ConType), ( ConType == mysql -> c_db_my_get_attributes_types(RelationName,Con,TypesList) ; c_db_odbc_get_attributes_types(RelationName,Con,TypesList) ). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % db_number_of_fields/3 % % db_number_of_fields(Connection,RelationName,Arity) :- '$error_checks'(db_number_of_fields(Connection,RelationName,Arity)), get_value(Connection,Con), c_db_connection_type(Con,ConType), ( ConType == mysql -> c_db_my_number_of_fields(RelationName,Con,Arity) ; c_db_odbc_number_of_fields(RelationName,Con,Arity) ). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%