215 lines
6.2 KiB
Plaintext
215 lines
6.2 KiB
Plaintext
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%/*************************************************************************
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* *
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* YAP Prolog *
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* *
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* Yap Prolog was developed at NCCUP - Universidade do Porto *
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* *
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* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
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* *
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**************************************************************************
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* *
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* File: myddas_mysql.yap *
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* Last rev: *
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* mods: *
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* comments: MySQL Predicates *
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* *
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*************************************************************************/
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#ifdef MYDDAS_SQLITE3
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:- module(myddas_sqlite3,[
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sqlite3_result_set/1,
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sqlite3_datalog_describe/1,
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sqlite3_datalog_describe/2,
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sqlite3_describe/3,
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sqlite3_describe/2,
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sqlite3_datalog_show_tables/1,
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sqlite3_datalog_show_tables/0,
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sqlite3_show_tables/2,
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sqlite3_show_tables/1,
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sqlite3_show_database/2,
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sqlite3_show_databases/2,
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sqlite3_show_databases/1,
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sqlite3_change_database/2,
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sqlite3_call_procedure/4,
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sqlite3_call_procedure/3
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]).
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:- use_module(myddas,[
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db_sql/3
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]).
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:- use_module(myddas_errors,[
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'$error_checks'/1
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]).
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:- use_module(myddas_util_predicates,[
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'$get_value'/2,
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'$make_atom'/2,
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'$make_atom_args'/2,
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'$make_a_list'/2,
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'$write_or_not'/1
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]).
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%--------------------------------------------------------
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% Public Predicates
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%--------------------------------------------------------
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% sqlite3_result_set/1
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%
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%
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sqlite3_result_set(X):-
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var(X),!,
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get_value(sqlite3_result_set,X).
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sqlite3_result_set(use_result):-
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set_value(sqlite3_result_set,use_result).
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sqlite3_result_set(store_result):-
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set_value(sqlite3_result_set,store_result).
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%default value
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:- sqlite3_result_set(use_result).
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% sqlite3_describe/2
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%
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%
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sqlite3_datalog_describe(Relation):-
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sqlite3_datalog_describe(myddas,Relation).
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sqlite3_datalog_describe(Connection,Relation) :-
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'$error_checks'(sqlite3_datalog_describe(Relation,Connection)),
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'$get_value'(Connection,Conn),
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'$make_atom'(['DESCRIBE ',Relation],SQL),
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sqlite3_result_set(Mode),
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c_sqlite3_query(SQL,ResultSet,Conn,Mode,_),
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c_sqlite3_table_write(ResultSet).
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% sqlite3_describe/3
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% sqlite3_describe/2
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% gives the results of the DESCRIBE statement
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% by backtracking
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sqlite3_describe(Relation,TableInfo) :-
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sqlite3_describe(myddas,Relation,TableInfo).
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sqlite3_describe(Connection,Relation,tableinfo(A1,A2,A3,A4,A5,A6)) :-
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'$error_checks'(sqlite3_describe(Relation,Connection,_)),
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'$get_value'(Connection,Conn),
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'$make_atom'(['DESCRIBE ',Relation],SQL),
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sqlite3_result_set(Mode),
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'$write_or_not'(SQL),
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c_sqlite3_query(SQL,ResultSet,Conn,Mode,_),
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!,c_sqlite3_row(ResultSet,6,[A1,A2,A3,A4,A5,A6]).
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% sqlite3_datalog_show_tables/1
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%
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%
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sqlite3_datalog_show_tables:-
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sqlite3_datalog_show_tables(myddas).
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sqlite3_datalog_show_tables(Connection) :-
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'$error_checks'(sqlite3_show_tables(Connection)),
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'$get_value'(Connection,Conn),
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sqlite3_result_set(Mode),
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'$write_or_not'('.tables'),
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c_sqlite3_query('.tables',ResultSet,Conn,Mode,_),
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c_sqlite3_table_write(ResultSet).
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% sqlite3_show_tables/2
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% sqlite3_show_tables/1
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% gives the results of the SHOW TABLES statement
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% by backtracking
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sqlite3_show_tables(Table) :-
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sqlite3_show_tables(myddas,Table).
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sqlite3_show_tables(Connection,table(Table)) :-
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'$error_checks'(sqlite3_show_tables(Connection)),
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'$get_value'(Connection,Conn),
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sqlite3_result_set(Mode),
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'$write_or_not'('.tables'),
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c_sqlite3_query('.tables',ResultSet,Conn,Mode,_),
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!,c_sqlite3_row(ResultSet,1,[Table]).
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% sqlite3_show_database/2
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%
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%
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sqlite3_show_database(Connection,Database) :-
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'$error_checks'(sqlite3_show_database(Connection,Database)),
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'$get_value'(Connection,Con),
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c_sqlite3_get_database(Con,Database).
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% sqlite3_show_databases/2
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%
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%
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sqlite3_show_databases(Connection,database(Databases)) :-
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%'$error_checks'(sqlite3_show_databases(Connection,Database)),
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'$get_value'(Connection,Conn),
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sqlite3_result_set(Mode),
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'$write_or_not'('SHOW DATABASES'),
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c_sqlite3_query('SHOW DATABASES',ResultSet,Conn,Mode,_),
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!,c_sqlite3_row(ResultSet,1,[Databases]).
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% sqlite3_show_databases/1
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% TODO Error Checks
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%
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sqlite3_show_databases(Connection) :-
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'$error_checks'(sqlite3_show_databases(Connection)),
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'$get_value'(Connection,Conn),
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sqlite3_result_set(Mode),
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'$write_or_not'('SHOW DATABASES'),
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c_sqlite3_query('SHOW DATABASES',ResultSet,Conn,Mode,_),
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c_sqlite3_table_write(ResultSet).
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% sqlite3_change_database/2
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%
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%
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sqlite3_change_database(Connection,Database) :-
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'$error_checks'(sqlite3_change_database(Connection,Database)),
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'$get_value'(Connection,Con),
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'$make_atom'(['USE ',Database],SQL),
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'$write_or_not'(SQL),
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c_sqlite3_change_database(Con,Database).
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% sqlite3_call_procedure/4
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% sqlite3_call_procedure/3
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% sqlite3_call_procedure(+,+,+,?)
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% Only support in MySQL 5.0 an above
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% Called procedure must return results via MySQL result set
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sqlite3_call_procedure(Procedure,Args,Result) :-
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sqlite3_call_procedure(myddas,Procedure,Args,Result).
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sqlite3_call_procedure(Connection,Procedure,Args,LA) :-
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'$error_checks'(sqlite3_call_procedure(Connection,Procedure,Args,LA)),
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'$make_atom_args'(Args,ArgsSQL),
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'$make_atom'(['CALL ',Procedure,'(',ArgsSQL,')'],SQL),
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sqlite3_sql(Connection,SQL,LA).
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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#endif /* MYDDAS_SQLITE3 */
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