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yap-6.3/packages/myddas/myddas_shared.c

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/*************************************************************************
* *
* 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_shared.c *
* Last rev: 22/03/05 *
* mods: *
* comments: Predicates for maintaining MYDDAS *
* *
*************************************************************************/
#if defined MYDDAS_MYSQL || defined MYDDAS_ODBC
#include "Yap.h"
#include "Yatom.h"
#include "cut_c.h"
#include "myddas.h"
#include <stdlib.h>
#include "myddas_structs.h"
#ifdef MYDDAS_STATS
#include "myddas_statistics.h"
#endif
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static Int c_db_initialize_myddas( USES_REGS1 );
static Int c_db_connection_type( USES_REGS1 );
static Int c_db_add_preds( USES_REGS1 );
static Int c_db_preds_conn_start ( USES_REGS1 );
static Int c_db_preds_conn_continue ( USES_REGS1 );
static Int c_db_connection_start ( USES_REGS1 );
static Int c_db_connection_continue ( USES_REGS1 );
static Int c_db_check_if_exists_pred( USES_REGS1 );
static Int c_db_delete_predicate( USES_REGS1 );
static Int c_db_multi_queries_number( USES_REGS1 );
#ifdef MYDDAS_STATS
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static Int c_db_stats( USES_REGS1 );
static Int c_db_stats_walltime( USES_REGS1 );
static Int c_db_stats_translate( USES_REGS1 );
static Int c_db_stats_time( USES_REGS1 );
#endif
#ifdef DEBUG
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static Int c_db_check( USES_REGS1 );
#endif
void Yap_InitMYDDAS_SharedPreds(void)
{
/* c_db_initialize_myddas */
Yap_InitCPred("c_db_initialize_myddas",0,c_db_initialize_myddas, 0);
/* c_db_connection_type: Connection x Type */
Yap_InitCPred("c_db_connection_type",2,c_db_connection_type, 0);
/* CORRECT THIS: db_add_preds : PredName * Arity * Connection */
Yap_InitCPred("c_db_add_preds",4,c_db_add_preds, 0);
/* c_db_check_if_exists_pred : PredName * Arity * Connection */
Yap_InitCPred("c_db_check_if_exists_pred",3,c_db_check_if_exists_pred, 0);
/* c_db_delete_pred : Module * PredName * Arity */
Yap_InitCPred("c_db_delete_predicate",3,c_db_delete_predicate, 0);
/* c_db_delete_pred : Module * PredName * Arity */
Yap_InitCPred("c_db_multi_queries_number",2,c_db_multi_queries_number, 0);
#ifdef MYDDAS_STATS
/* c_db_stats: Connection * Stats */
Yap_InitCPred("c_db_stats",2, c_db_stats, 0);
/* c_db_stats_walltime */
Yap_InitCPred("c_db_stats_walltime",1, c_db_stats_walltime, 0);
/* c_db_stats_translate */
Yap_InitCPred("c_db_stats_translate",2,c_db_stats_translate, 0);
/* c_db_stats_time */
Yap_InitCPred("c_db_stats_time",2,c_db_stats_time, 0);
#endif
#ifdef DEBUG
Yap_InitCPred("c_db_check",0, c_db_check, 0);
#endif
}
void Yap_InitBackMYDDAS_SharedPreds(void)
{
/* Gives all the predicates associated to a given connection */
Yap_InitCPredBack("c_db_preds_conn", 4, sizeof(Int),
c_db_preds_conn_start,
c_db_preds_conn_continue, 0);
/* Gives all the connections stored on the MYDDAS Structure*/
Yap_InitCPredBack("c_db_connection", 1, sizeof(Int),
c_db_connection_start,
c_db_connection_continue, 0);
}
/* Initialize all of the MYDDAS global structures */
static Int
c_db_initialize_myddas( USES_REGS1 ){
Yap_REGS.MYDDAS_GLOBAL_POINTER = myddas_init_initialize_myddas();
#ifdef MYDDAS_STATS
Yap_REGS.MYDDAS_GLOBAL_POINTER = myddas_stats_initialize_global_stats(Yap_REGS.MYDDAS_GLOBAL_POINTER);
#endif /* MYDDAS_STATS */
return TRUE;
}
/* Gives the type of a given connection,
in other words, type will be mysql or odbc
NOTE: In order to use this predicate, the connection*/
/* c_db_connection_type: +Connection * ?Type */
static Int
c_db_connection_type ( USES_REGS1 ){
Term arg_con = Deref(ARG1);
Term arg_type = Deref(ARG2);
Int *con = (Int *) IntegerOfTerm(arg_con);
Int type = myddas_util_connection_type(con);
if (type == 1) /* MYSQL Connection */
Yap_unify(arg_type, MkAtomTerm(Yap_LookupAtom("mysql")));
else if (type ==2) /* ODBC Connection */
Yap_unify(arg_type, MkAtomTerm(Yap_LookupAtom("odbc")));
else /* Not a valid connection*/
return FALSE;
return TRUE;
}
/* db_add_preds: PredName * Arity * Module * Connection*/
static Int
c_db_add_preds ( USES_REGS1 ){
Term arg_nome = Deref(ARG1);
Term arg_aridade = Deref(ARG2);
Term arg_module = Deref(ARG3);
Term arg_conn = Deref(ARG4);
/* PredEntry *pe; */
/* pe = RepPredProp(PredPropByFunc(FunctorOfTerm(arg_pred),arg_module)); */
char *nome = AtomName(AtomOfTerm(arg_nome));
char *module = AtomName(AtomOfTerm(arg_module));
Int aridade = IntegerOfTerm(arg_aridade);
Int *conn = (Int *) IntegerOfTerm(arg_conn);
if (myddas_util_add_predicate(nome,aridade,module,conn) == NULL)
{
#ifdef DEBUG
printf ("ERROR : Could not add Predicate: Line: %d File: %s\n",__LINE__,__FILE__);
#endif
return FALSE;
}
return TRUE;
}
static Int
c_db_check_if_exists_pred ( USES_REGS1 ){
Term arg_nome = Deref(ARG1);
Term arg_aridade = Deref(ARG2);
Term arg_module = Deref(ARG3);
char *nome = AtomName(AtomOfTerm(arg_nome));
char *module = AtomName(AtomOfTerm(arg_module));
Int aridade = IntegerOfTerm(arg_aridade);
if (myddas_util_search_predicate(nome,aridade,module) == NULL)
return FALSE;
else
return TRUE;
}
static Int
c_db_delete_predicate( USES_REGS1 ){
Term arg_module = Deref(ARG1);
Term arg_name = Deref(ARG2);
Term arg_arity = Deref(ARG3);
char *module = AtomName(AtomOfTerm(arg_module));
char *name = AtomName(AtomOfTerm(arg_name));
Int arity = IntegerOfTerm(arg_arity);
MYDDAS_UTIL_PREDICATE predicate =
myddas_util_search_predicate(name,arity,module);
if (predicate == NULL)
return FALSE;
myddas_util_delete_predicate(predicate);
return TRUE;
}
static Int
c_db_multi_queries_number( USES_REGS1 ){
Term arg_conn = Deref(ARG1);
Term arg_number = Deref(ARG2);
Int *conn = (Int *) IntegerOfTerm(arg_conn);
MYDDAS_UTIL_CONNECTION node =
myddas_util_search_connection(conn);
if (node == NULL)
return FALSE;
if (IsVarTerm(arg_number)){
Yap_unify(arg_number,MkIntegerTerm(((Int)myddas_util_get_total_multi_queries_number(node))+1));
}
else {
Int number = IntegerOfTerm(arg_number);
number--;
myddas_util_set_total_multi_queries_number(node,number);
}
return TRUE;
}
static Int
c_db_connection_start( USES_REGS1 ){
MYDDAS_UTIL_CONNECTION node =
Yap_REGS.MYDDAS_GLOBAL_POINTER->myddas_top_connections;
EXTRA_CBACK_ARG(1,1)=(CELL) MkIntegerTerm((Int)node);
return (c_db_connection_continue( PASS_REGS1 ));
}
static Int
c_db_connection_continue( USES_REGS1 ){
Term arg_conn = Deref(ARG1);
MYDDAS_UTIL_CONNECTION node;
node = (MYDDAS_UTIL_CONNECTION) IntegerOfTerm(EXTRA_CBACK_ARG(1,1));
/* There is no connections */
if (node == NULL)
{
cut_fail();
return FALSE;
}
Yap_unify(arg_conn, MkIntegerTerm((Int)(node->connection)));
EXTRA_CBACK_ARG(1,1)=(CELL) MkIntegerTerm((Int)(node->next));
return TRUE;
}
/* db_preds_conn : Connection(+) * Pred_name(-) * Pred_arity */
static Int
c_db_preds_conn_start ( USES_REGS1 ){
Term arg_conn = Deref(ARG1);
Int *conn = (Int *) IntegerOfTerm(arg_conn);
MYDDAS_UTIL_CONNECTION node =
myddas_util_search_connection(conn);
/* Caso a ligacao já tenha sido apagada*/
if (node == NULL)
{
cut_fail();
return FALSE;
}
void *pointer = myddas_util_get_list_pred(node);
EXTRA_CBACK_ARG(4,1)=(CELL) MkIntegerTerm((Int)pointer);
return (c_db_preds_conn_continue( PASS_REGS1 ));
}
/* db_preds_conn : Connection(+) * Pred_name(-) * Pred_arity*/
static Int
c_db_preds_conn_continue ( USES_REGS1 ){
Term module = Deref(ARG2);
Term name = Deref(ARG3);
Term arity = Deref(ARG4);
void *pointer;
pointer = (void *) IntegerOfTerm(EXTRA_CBACK_ARG(4,1));
if (pointer != NULL)
{
EXTRA_CBACK_ARG(4,1)=(CELL) MkIntegerTerm((Int)myddas_util_get_pred_next(pointer));
if (!Yap_unify(module, MkAtomTerm(Yap_LookupAtom(myddas_util_get_pred_module(pointer))))){
return FALSE;
}
if (!Yap_unify(name,MkAtomTerm(Yap_LookupAtom(myddas_util_get_pred_name(pointer))))){
return FALSE;
}
if (!Yap_unify(arity, MkIntegerTerm((Int)myddas_util_get_pred_arity(pointer)))){
return FALSE;
}
return TRUE;
}
else
{
cut_fail();
return FALSE;
}
}
#ifdef DEBUG
static Int
c_db_check( USES_REGS1 ){
check_int();
return TRUE;
}
#endif /*DEBUG*/
#ifdef MYDDAS_STATS
static Int
c_db_stats_walltime( USES_REGS1 ){
Term arg_time = Deref(ARG1);
#ifdef DEBUG
if (IsVarTerm(arg_time)){
#endif
Yap_unify(arg_time,MkIntegerTerm((Int)myddas_stats_walltime()));
return TRUE;
#ifdef DEBUG
}
else{
printf ("ERROR: c_db_stats_walltime got a variable\n");
return FALSE;
}
#endif
}
static Int
c_db_stats_translate( USES_REGS1 ){
Term arg_start = Deref(ARG1);
Term arg_end = Deref(ARG2);
MYDDAS_STATS_TIME start;
MYDDAS_STATS_TIME end;
MYDDAS_STATS_TIME total_time,diff;
#ifdef DEBUG
//Both args must be instanciated
if (IsNonVarTerm(arg_start) && IsNonVarTerm(arg_end)){
#endif
start = (MYDDAS_STATS_TIME) IntegerOfTerm(arg_start);
end = (MYDDAS_STATS_TIME) IntegerOfTerm(arg_end);
MYDDAS_STATS_GET_TRANSLATE(total_time);
MYDDAS_STATS_INITIALIZE_TIME_STRUCT(diff,time_copy);
myddas_stats_subtract_time(diff,end,start);
diff = myddas_stats_time_copy_to_final(diff);
myddas_stats_add_time(total_time,diff,total_time);
MyddasULInt count;
MYDDAS_STATS_GET_TRANSLATE_COUNT(count);
MYDDAS_STATS_SET_TRANSLATE_COUNT(++count);
MYDDAS_FREE(diff,struct myddas_stats_time_struct);
MYDDAS_FREE(start, struct myddas_stats_time_struct);
MYDDAS_FREE(end, struct myddas_stats_time_struct);
return TRUE;
#ifdef DEBUG
}
else{
printf ("ERROR: c_db_stats_translate got a variable\n");
return FALSE;
}
#endif
}
static Int
c_db_stats_time( USES_REGS1 ){
Term arg_reference = Deref(ARG1);
Term arg_time = Deref(ARG2);
Term final_term;
MYDDAS_STATS_STRUCT struc = (MYDDAS_STATS_STRUCT)IntegerOfTerm(arg_reference);
Functor functor_count = Yap_MkFunctor(Yap_LookupAtom("count"),1);
Term count_number[1];
Functor unit;
Term number[1];
switch(struc->type){
case integer:
{
Functor functor = Yap_MkFunctor(Yap_LookupAtom("myddas_integer"),2);
Term integer_number[1];
MyddasULInt integer;
unit = Yap_MkFunctor(Yap_LookupAtom("number"),1);
integer = struc->u.integer.integer;
number[0] = MkIntegerTerm(integer);
integer_number[0] = Yap_MkApplTerm(unit,1,number);;
count_number[0] = MkIntegerTerm(struc->count);
integer_number[1] = Yap_MkApplTerm(functor_count,1,count_number);
final_term = Yap_MkApplTerm(functor,2,integer_number);
break;
}
case time_str:
{
MYDDAS_STATS_TIME time = struc->u.time_str.time_str;
Functor functor = Yap_MkFunctor(Yap_LookupAtom("myddas_time"),6);
Term time_numbers[6];
MyddasUInt time_number;
unit = Yap_MkFunctor(Yap_LookupAtom("hours"),1);
time_number = MYDDAS_STATS_TIME_HOURS(time);
number[0] = MkIntegerTerm(time_number);
time_numbers[0] = Yap_MkApplTerm(unit,1,number);;
unit = Yap_MkFunctor(Yap_LookupAtom("minutes"),1);
time_number = MYDDAS_STATS_TIME_MINUTES(time);
number[0] = MkIntegerTerm(time_number);
time_numbers[1] = Yap_MkApplTerm(unit,1,number);;
unit = Yap_MkFunctor(Yap_LookupAtom("seconds"),1);
time_number = MYDDAS_STATS_TIME_SECONDS(time);
number[0] = MkIntegerTerm(time_number);
time_numbers[2] = Yap_MkApplTerm(unit,1,number);;
unit = Yap_MkFunctor(Yap_LookupAtom("miliseconds"),1);
time_number = MYDDAS_STATS_TIME_MILISECONDS(time);
number[0] = MkIntegerTerm(time_number);
time_numbers[3] = Yap_MkApplTerm(unit,1,number);;
unit = Yap_MkFunctor(Yap_LookupAtom("microseconds"),1);
time_number = MYDDAS_STATS_TIME_MICROSECONDS(time);
number[0] = MkIntegerTerm(time_number);
time_numbers[4] = Yap_MkApplTerm(unit,1,number);;
count_number[0] = MkIntegerTerm(struc->count);
time_numbers[5] = Yap_MkApplTerm(functor_count,1,count_number);
final_term = Yap_MkApplTerm(functor,6,time_numbers);
break;
}
default:
#ifdef DEBUG
printf ("ERROR: c_db_stats_time unknow option\n");
#endif
return FALSE;
break;
}
if (!Yap_unify(arg_time,final_term )){
return FALSE;
}
return TRUE;
}
//Returns the stats of this module in a list
static Int
c_db_stats( USES_REGS1 ) {
Term arg_conn = Deref(ARG1);
Term arg_list = Deref(ARG2);
MyddasPointer *conn = (MyddasPointer *) (IntegerOfTerm(arg_conn));
// TODO
if (get_myddas_top() == 0 ){ /* We want all the statistics */
return FALSE;
}
MYDDAS_STATS_STRUCT str;
MYDDAS_UTIL_CONNECTION
node = myddas_util_search_connection(conn);
Term head, list;
list = arg_list;
#ifdef DEBUG
MYDDAS_STATS_TIME time = NULL;
#endif
//[Index 1] -> Total Number of Rows by connection
//Total number of Rows returned by the server
//WARNING: only works with store_result
head = HeadOfTerm(list);
list = TailOfTerm(list);
str = myddas_stats_get_stat(node->stats,5);
Yap_unify(head, MkIntegerTerm((MyddasInt)str));
#ifdef DEBUG
MyddasUInt number = 0;
MYDDAS_STATS_CON_GET_TOTAL_ROWS(node,number);
printf ("Total Number of Rows returned from the Server\n");
printf ("%lu\n\n",(unsigned long)number);
#endif
//[Index 2] -> Total of Time Spent by the DB Server
// processing all the SQL Querys
head = HeadOfTerm(list);
list = TailOfTerm(list);
str = myddas_stats_get_stat(node->stats,1);
Yap_unify(head, MkIntegerTerm((MyddasInt)str));
#ifdef DEBUG
MYDDAS_STATS_CON_GET_TOTAL_TIME_DBSERVER(node,time);
printf ("Reference to time Spent by the Server, on all the SQL Querys\n");
MYDDAS_STATS_PRINT_TIME_STRUCT(time);
printf ("\n\n");
#endif
//[Index 3] -> Total of Time Spent by the DB Server
// processing a the last SQL Query
head = HeadOfTerm(list);
list = TailOfTerm(list);
str = myddas_stats_get_stat(node->stats,2);
Yap_unify(head, MkIntegerTerm((MyddasInt)str));
#ifdef DEBUG
MYDDAS_STATS_CON_GET_LAST_TIME_DBSERVER(node,time);
printf ("Reference to time Spent by the Server, on the last SQL Query\n");
MYDDAS_STATS_PRINT_TIME_STRUCT(time);
printf ("\n\n");
#endif
//[Index 4] -> Total of Time Spent by the DB Server
// transfering all the results of the SQL Querys
head = HeadOfTerm(list);
list = TailOfTerm(list);
str = myddas_stats_get_stat(node->stats,3);
Yap_unify(head, MkIntegerTerm((MyddasInt)str));
#ifdef DEBUG
MYDDAS_STATS_CON_GET_TOTAL_TIME_TRANSFERING(node,time);
printf ("Refence to time Spent by the Server, transfering all the results SQL Query\n");
MYDDAS_STATS_PRINT_TIME_STRUCT(time);
printf ("\n\n");
#endif
//[Index 5] -> Total of Time Spent by the DB Server
// transfering the result of the last SQL Query
head = HeadOfTerm(list);
list = TailOfTerm(list);
str = myddas_stats_get_stat(node->stats,4);
Yap_unify(head, MkIntegerTerm((MyddasInt)str));
#ifdef DEBUG
MYDDAS_STATS_CON_GET_LAST_TIME_TRANSFERING(node,time);
printf ("Reference to time Spent by the Server, transfering the result of the last SQL Query\n");
MYDDAS_STATS_PRINT_TIME_STRUCT(time);
printf ("\n\n");
#endif
//[Index 6] -> Total of Time Spent by the
// db_row_function
head = HeadOfTerm(list);
list = TailOfTerm(list);
str = myddas_stats_get_stat(Yap_REGS.MYDDAS_GLOBAL_POINTER->myddas_statistics->stats,1);
Yap_unify(head, MkIntegerTerm((MyddasInt)str));
#ifdef DEBUG
MYDDAS_STATS_GET_DB_ROW_FUNCTION(time);
printf ("Reference to time Spent by the db_row_function\n");
MYDDAS_STATS_PRINT_TIME_STRUCT(time);
printf ("\n\n");
#endif
//[Index 7] -> Total of Bytes Transfered by the
// DB Server on all SQL Querys
head = HeadOfTerm(list);
list = TailOfTerm(list);
str = myddas_stats_get_stat(node->stats,6);
Yap_unify(head, MkIntegerTerm((MyddasPointer)str));
#ifdef DEBUG
MYDDAS_STATS_CON_GET_TOTAL_BYTES_TRANSFERING_FROM_DBSERVER(node,number);
printf ("Bytes Transfered by the DB Server from all querys\n");
printf ("%llu\n\n",(MyddasULInt)number);
#endif
//[Index 8] -> Total of Bytes Transfered by the
// DB Server on the last SQL Query
head = HeadOfTerm(list);
list = TailOfTerm(list);
str = myddas_stats_get_stat(node->stats,7);
Yap_unify(head, MkIntegerTerm((MyddasPointer)str));
#ifdef DEBUG
MYDDAS_STATS_CON_GET_LAST_BYTES_TRANSFERING_FROM_DBSERVER(node,number);
printf ("Bytes Transfered by the DB Server on the last query\n");
printf ("%llu\n\n",(MyddasULInt)number);
#endif
//[Index 9] -> Number of querys made to the DBserver
head = HeadOfTerm(list);
list = TailOfTerm(list);
str = myddas_stats_get_stat(node->stats,8);
Yap_unify(head, MkIntegerTerm((MyddasPointer)str));
#ifdef DEBUG
MYDDAS_STATS_CON_GET_NUMBER_QUERIES_MADE(node,number);
printf ("Number of Querys made to the server\n");
printf ("%llu\n\n",(MyddasULInt)number);
#endif
//[Index 10] -> Total of Time Spent by the
// translate predicate
head = HeadOfTerm(list);
list = TailOfTerm(list);
str = myddas_stats_get_stat(Yap_REGS.MYDDAS_GLOBAL_POINTER->myddas_statistics->stats,2);
Yap_unify(head, MkIntegerTerm((Int)str));
#ifdef DEBUG
MYDDAS_STATS_GET_TRANSLATE(time);
printf ("Reference to time Spent by the translate predicate\n");
MYDDAS_STATS_PRINT_TIME_STRUCT(time);
printf ("\n\n");
#endif
/* Memory management */
#ifdef DEBUG
MyddasULInt nr;
MYDDAS_MEMORY_MALLOC_NR(nr);
printf ("Number of times malloc was called in MYDDAS: %lu \n",nr);
MYDDAS_MEMORY_FREE_NR(nr);
printf ("Number of times free was called in MYDDAS : %lu \n",nr);
MYDDAS_MEMORY_MALLOC_SIZE(nr);
printf ("Total memory allocated in MYDDAS: %lu \n",nr);
MYDDAS_MEMORY_FREE_SIZE(nr);
printf ("Total memory freed in MYDDAS : %lu \n",nr);
#endif
return TRUE;
}
#endif /* MYDDAS_STATS */
/* Function to delete all the temporary tables */
/* from the mysql server */
void Yap_MYDDAS_delete_all_myddas_structs(void)
{
CACHE_REGS
/* NAO ESQUECER DE FAZER ISTO TB PARA O DB_CLOSE*/
MYDDAS_GLOBAL global =
Yap_REGS.MYDDAS_GLOBAL_POINTER;
/* In case that the MYDDAS module isn't loaded */
if (global == NULL)
return;
MYDDAS_UTIL_CONNECTION connections =
global->myddas_top_connections;
/* Delete all connections */
for(;connections!=NULL;connections=connections->next)
myddas_util_delete_connection(connections->connection);
#ifdef MYDDAS_STATS
myddas_stats_delete_stats_list(global->myddas_statistics->stats);
MYDDAS_FREE(global->myddas_statistics,struct myddas_global_stats);
#endif
MYDDAS_FREE(global,struct myddas_global);
#ifdef DEBUG
MyddasULInt nr;
MYDDAS_MEMORY_MALLOC_NR(nr);
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printf ("Number of times malloc was called in MYDDAS: " UInt_FORMAT " \n",(UInt)nr);
MYDDAS_MEMORY_FREE_NR(nr);
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printf ("Number of times free was called in MYDDAS : " UInt_FORMAT " \n",(UInt)nr);
MYDDAS_MEMORY_MALLOC_SIZE(nr);
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printf ("Total memory allocated in MYDDAS: " UInt_FORMAT " \n",(UInt)nr);
MYDDAS_MEMORY_FREE_SIZE(nr);
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printf ("Total memory freed in MYDDAS : " UInt_FORMAT " \n",(UInt)nr);
#endif
}
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void
init_myddas(void)
{
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CACHE_REGS
#if defined MYDDAS_MYSQL
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Yap_InitBackMYDDAS_MySQLPreds();
#endif
#if defined MYDDAS_ODBC
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Yap_InitBackMYDDAS_ODBCPreds();
#endif
#if defined MYDDAS_ODBC || defined MYDDAS_MYSQL
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Yap_InitBackMYDDAS_SharedPreds();
#endif
#if defined MYDDAS_MYSQL
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Yap_InitMYDDAS_MySQLPreds();
#endif
#if defined MYDDAS_ODBC
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Yap_InitMYDDAS_ODBCPreds();
#endif
#if defined MYDDAS_ODBC || defined MYDDAS_MYSQL
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Yap_InitMYDDAS_SharedPreds();
#endif
#if defined MYDDAS_TOP_LEVEL && defined MYDDAS_MYSQL // && defined HAVE_LIBREADLINE
Yap_InitMYDDAS_TopLevelPreds();
#endif
#ifdef MYDDAS_MYSQL_INIT
if (yap_init->myddas) {
Yap_PutValue(AtomMyddasGoal,MkIntegerTerm(yap_init->myddas));
/* Mandatory Fields */
Yap_PutValue(AtomMyddasUser,MkAtomTerm(Yap_LookupAtom(yap_init->myddas_user)));
Yap_PutValue(AtomMyddasDB,MkAtomTerm(Yap_LookupAtom(yap_init->myddas_db)));
/* Non-Mandatory Fields */
if (yap_init->myddas_pass != NULL)
Yap_PutValue(AtomMyddasPass,MkAtomTerm(Yap_LookupAtom(yap_init->myddas_pass)));
if (yap_init->myddas_host != NULL)
Yap_PutValue(AtomMyddasHost,MkAtomTerm(Yap_LookupAtom(yap_init->myddas_host)));
}
#endif
#if defined MYDDAS_MYSQL || defined MYDDAS_ODBC
Yap_REGS.MYDDAS_GLOBAL_POINTER = NULL;
Yap_PutValue(AtomMyddasVersionName,
MkAtomTerm(Yap_LookupAtom(MYDDAS_VERSION)));
Yap_HaltRegisterHook((HaltHookFunc)Yap_MYDDAS_delete_all_myddas_structs,NULL);
Yap_MYDDAS_delete_all_myddas_structs();
#endif
}
#ifdef _WIN32
int WINAPI PROTO(win_myddas, (HANDLE, DWORD, LPVOID));
int WINAPI win_myddas(HANDLE hinst, DWORD reason, LPVOID reserved)
{
switch (reason)
{
case DLL_PROCESS_ATTACH:
break;
case DLL_PROCESS_DETACH:
break;
case DLL_THREAD_ATTACH:
break;
case DLL_THREAD_DETACH:
break;
}
return 1;
}
#endif
#endif /*MYDDAS_MYSQL || MYDDAS_ODBC*/