dbwrapper.h

bonddb 是一个源于PostgreSQL封装包的对象。它是一个由C/C++编写的快速数据提取层应用软件

#ifndef dbwrapper_h
#define dbwrapper_h

#define _PGSQL
/* #define _GNOMEDB */

/**
 * Low level calls to postgresql, or another database provider depending what
 * is asked for in #defines.  This is a straight wrapper around psql or gnome-db
 * or what ever else providers maybe supported 
 */

#ifdef _PGSQL

/* Postgresql specific headers to be included. */
#include <libpq-fe.h>
#endif

#ifdef _GNOMEDB

/* Gnome-db specific headers, this is for supporting lots of databases */
#include <libdga.h>
#endif


/* Standard structures for databases.  */

typedef struct
   {
	gchar *query;
	gchar *basetable;
#ifdef _PGSQL
   PGresult *res;
#endif
#ifdef _GNOMEDB
   GdaRecordSet *res;
   gulong rec_count;
#endif
   }
DbRecordSet;

typedef struct
   {
	/* connection string */
	gchar *connstring;
	/* type of database your connecting to */
	enum {
			DB_UNKNOWN,
			DB_PGSQL		
		  } dbserver;
#ifdef _PGSQL
   PGconn *conn;
#endif
        
#ifdef _GNOMEDB
     GdaConnection *conn;
#endif        
   }
DbConnection;

extern DbConnection *globaldbconn;

#ifdef _PGSQL
/* Posgresql Code is here */
#include "dbpgsql.h"
#endif

#ifdef _GNOMEDB
/* Gnome DB code is here */
#include "dbgnomedb.h"
#endif

/* some functions .. .*/
gint db_dbgetserver();


#endif