Backend

2019-02-19 22:35:27 +00:00
parent ae5dbd1e80
commit cc33879fd0
264 changed files with 214146 additions and 0 deletions
@@ -0,0 +1,42 @@
+#ifndef __PGSQL_WRAPPER_H__
+#define __PGSQL_WRAPPER_H__
+
+#include "exceptions.h"
+
+enum { DBS_ALL=0, DBS_VALID=1, DBS_STREAM=2 };
+
+class CEscape;
+
+#define NEED_ESC        CEscape __esc( cmd );
+#define esc( param )    __esc.Escape( param )
+
+#define ESCAPE_MAX_VARS 50
+
+void map_to_cvars(map<const char *,const char *>f, CVars &rec);
+void load_db_record( const char * table, CVars &rec, const char * where, ... );
+long load_db_record( CVars &rec, const char * query, ... );
+long insert_db_record( int mode, const char *table, const char *seq, CVars &rec );
+void update_db_record( int mode, const char * table, CVars &rec, long id, const char * where=NULL, ... ) throw ( bad_parameter );
+void v_update_db_record( int mode, const char * table, CVars &rec, const char *index, long id, const char * where=NULL, va_list ap=NULL ) throw ( bad_parameter );
+void update_db_record( int mode, const char * table, CVars &rec, const char *index, long id, const char * where=NULL, ... ) throw ( bad_parameter );
+long curr_val( const char *seq );
+
+class CEscape
+{
+        public:
+                char * New( int sz );
+                CEscape( char * st );
+                ~CEscape();
+                char * Escape( const char * param );
+
+        private:
+                char * vars[ESCAPE_MAX_VARS];
+                int n;
+                char * st;
+		char esc[1000];
+		int EscapeLength( const char * par ); // Calculate the required buffer size for escaped par
+		char *EscapeReal( const char * cmd, char * _esc=NULL, int sz=0 ); // Escape a string for SQL server
+};
+
+#endif
+