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yap-6.3/packages/myddas/myddas_structs.h

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#ifndef __MYDDAS_STRUCTS_H__
#define __MYDDAS_STRUCTS_H__
#include "myddas_types.h"
typedef struct myddas_util_query *MYDDAS_UTIL_QUERY;
typedef struct myddas_list_connection *MYDDAS_UTIL_CONNECTION;
typedef struct myddas_list_preds *MYDDAS_UTIL_PREDICATE;
#ifdef MYDDAS_STATS
#include "myddas_statistics_structs.h"
#endif
struct myddas_global {
MYDDAS_UTIL_CONNECTION myddas_top_connections;
#ifdef MYDDAS_TOP_LEVEL
MYDDAS_UTIL_CONNECTION myddas_top_level_connection;
#endif
#ifdef MYDDAS_STATS
MYDDAS_GLOBAL_STATS myddas_statistics;
#endif
#ifdef DEBUG
/* Number times malloc was called */
MyddasULInt malloc_called;
/* Memory allocated by MYDDAS */
MyddasULInt memory_allocated;
/* Number times free was called */
MyddasULInt free_called;
/* Memory freed by MYDDAS */
MyddasULInt memory_freed;
#endif
};
struct myddas_list_preds {
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const char *pred_module;
const char *pred_name;
short pred_arity;
//void *pe;
MYDDAS_UTIL_PREDICATE next;
MYDDAS_UTIL_PREDICATE previous;
};
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typedef enum myddas_api {
API_MYSQL = 0,
API_ODBC = 1,
API_SQLITE3 = 2,
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API_POSTGRES =3
} MYDDAS_API;
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struct myddas_list_connection {
void *connection;
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int tag;
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MYDDAS_API api;
/*If variable env is NULL, then it's a
MySQL connection, if not then it as the pointer
to the ODBC enviromment variable */
void *odbc_enviromment;
#ifdef MYDDAS_STATS
MYDDAS_STATS_STRUCT stats;
#endif
MYDDAS_UTIL_PREDICATE predicates;
/* Multi Queries Section */
unsigned long total_number_queries;
unsigned long actual_number_queries;
MYDDAS_UTIL_QUERY *queries;
/* List Integrety */
MYDDAS_UTIL_CONNECTION next;
MYDDAS_UTIL_CONNECTION previous;
};
struct myddas_util_query{
char *query;
MYDDAS_UTIL_QUERY next;
};
#endif