Patch level : 12.0 no patch

Files correlati     :
Commento            :

Aggiunto ai record il campo update_memo per verificare se un memo è stato mofificato

src/include/isam.cpp

@@ -679,7 +679,7 @@ TBaseisamfile::TBaseisamfile(int logicnum)
   _curr_key = 0;
   _lasterr = NOERR;
   _current = new TRectype(logicnum);
-}
+ }
 
 // @doc EXTERNAL
 
@@ -712,8 +712,7 @@ TBaseisamfile::TBaseisamfile(
 
 TBaseisamfile::~TBaseisamfile()
 {
-  if (_current)
+	SAFE_DELETE(_current);
-    delete _current;
 }
 
 TCodeb_handle TBaseisamfile::handle(int key) const
@@ -940,6 +939,8 @@ int TBaseisamfile::_write(const TRectype& rec)
   { 
 		if (rec.has_memo())
       ((TRectype&)rec).write_memo(_isam_handle, _recno );
+		rec_cache(_logicnum).notify_change();
+
   }
   else
     _lasterr = get_error(_lasterr);
@@ -980,6 +981,7 @@ int TBaseisamfile::rewrite_write()
 int TBaseisamfile::_rewrite(const TRectype& rec)
 {
   CHECK(!rec.empty(), "Can't write an empty record");
+	bool changed = false;
     
   TRectype save_rec(rec);
 
@@ -1004,18 +1006,23 @@ int TBaseisamfile::_rewrite(const TRectype& rec)
 			else
         _lasterr = get_error(_lasterr);
     }
-    else
  		DB_unlock(fhnd);  // non vale la pena farlo sempre ?
     _recno = DB_recno(fhnd);
     prefix().unlock_record(_isam_handle, _recno);
 
 		if (_lasterr == NOERR)
 		{
-      if (curr().has_memo())
+			if (rec.has_memo())
+			{
+				((TRectype&)rec).update_memo();
+				changed |= rec.memo_dirty();
+				if (changed)
 					((TRectype&)rec).write_memo(_isam_handle, _recno);
 			}
+			if (changed)
+				rec_cache(_logicnum).notify_change();
+		}
   }    
-
   return _lasterr;
 }
 
@@ -1032,6 +1039,7 @@ int TBaseisamfile::rewrite()
 int TBaseisamfile::rewriteat(const TRectype& rec, TRecnotype nrec)
 {
   const int fhnd = handle();
+	bool changed = false;
 
   if ((_lasterr=DB_go(fhnd,nrec))== NOERR)
   {           
@@ -1044,13 +1052,18 @@ int TBaseisamfile::rewriteat(const TRectype& rec, TRecnotype nrec)
     _lasterr = get_error(_lasterr);
   _recno = DB_recno(fhnd);
 
-  if(_lasterr == NOERR)
+	if (_lasterr == NOERR)
 	{
-    if (curr().has_memo())
+		if (rec.has_memo())
-      ((TRectype &)rec).write_memo(_isam_handle, _recno);
+		{
+			((TRectype&)rec).update_memo();
+			changed |= rec.memo_dirty();
+			if (changed)
+				((TRectype&)rec).write_memo(_isam_handle, _recno);
+		}
+		if (changed)
 			rec_cache(_logicnum).notify_change();
 	}
-
   return _lasterr;
 }
 
@@ -1064,8 +1077,8 @@ int TBaseisamfile::_remove(const TRectype& rec)
   CHECK(!rec.empty(), "Can't remove an empty record");
 
   const int fhnd = handle(1); // Forza l'uso della chiave principale (per chiavi duplicate?)
-
   TRectype save_rec(rec);
+  
   _lasterr = cisread(fhnd, 1, save_rec, _isequal + _nolock, _recno); // Si Posiziona per sicurezza...
 
   if (_lasterr == NOERR)
@@ -1278,8 +1291,12 @@ int TBaseisamfile::is_valid(bool exclusive)
 			  if (dbfreclen != trcreclen)
         {
 				  err = _istrcerr;
-          if (_logicnum == LF_CLIFO)
+
-            error_box("Clifo trc=%d dbf=%d", trcreclen, dbfreclen);
+					TString msg;
+		
+					msg.format("Lunghezza record incoerente sul file %d (%s): file=%d trc=%d",
+											num(), (const char*)description(), dbfreclen, trcreclen);
+					error_box(msg);
 				}    
 			}
 		}
@@ -1459,7 +1476,6 @@ TIsamtempfile::TIsamtempfile(int logicnum, const char* radix, bool create, bool
   open(n, create, eod, eox);
 }
 
-
 TIsamtempfile::~TIsamtempfile()
 {
   close();
@@ -2738,7 +2754,7 @@ int TSystemisamfile::dump(
 		SELECTIONFUNCTION select_func, // @parm funzione filtro 
 		TObject * filter_obj) // @parm oggetto di filtro 
 
-// @xref <mf TSystemisamfile::load>
+// @xref <mf TSystemisamfile::dump>
 
 {
   FILE* f = NULL; fopen_s(&f, to, "w");
@@ -2947,7 +2963,7 @@ int TSystemisamfile::dump(
 		SELECTIONFUNCTION select_func, // @parm funzione filtro 
 		TObject * filter_obj) // @parm oggetto di filtro 
 
-// @xref <mf TSystemisamfile::load>
+// @xref <mf TSystemisamfile::dump>
 
 {
   FILE* f = NULL; fopen_s(&f, to, "w");

src/include/isam.h

@@ -44,6 +44,7 @@ public:
   TIsam_handle file() const { return _isamfile; }
   void copy(const TMemo_data& m);
   bool is_dirty(int i) const { return _dirty[i]; }
+	bool dirty() const { return _dirty.some_one(); }
   void set_dirty(int i, bool d = true) { _dirty.set(i, d); }
   
   TMemo_data& operator=(const TMemo_data& m) { copy(m); return *this; }
@@ -260,8 +261,10 @@ public:
 
   virtual void init_memo(const TRecnotype recno  = RECORD_NON_FISICO, TIsam_handle file = 0);
   virtual void reset_memo() { _memo_data->init(RECORD_NON_FISICO, 0); }
+	virtual void update_memo() {}
   virtual void write_memo(TIsam_handle file, const TRecnotype recno);
   bool has_memo() const { return _memo_data != NULL; } 
+	bool memo_dirty() const { return has_memo() && _memo_data->dirty(); }
 
   // Gestione posta elettronica
   virtual void fill_transaction(TConfig& cfg, int row = 0) const;

src/include/varrec.cpp

@@ -168,11 +168,12 @@ void TVariable_rectype::unknown_field(const char* name) const
     TRectype::unknown_field(name);
 }
 
-void TVariable_rectype::write_memo(TIsam_handle file, const TRecnotype recno)
+void TVariable_rectype::update_memo()
 {
 	if (_memo_fld.full())
 	{
 		TToken_string t(256, '\n');
+
 		FOR_EACH_ASSOC_OBJECT(_virtual_fields, h, key, o)
 		{
 			const TVariable_field* vf = (TVariable_field*)o;
@@ -186,6 +187,11 @@ void TVariable_rectype::write_memo(TIsam_handle file, const TRecnotype recno)
 		}
 		put(_memo_fld, t);
 	}
+}
+
+void TVariable_rectype::write_memo(TIsam_handle file, const TRecnotype recno)
+{   
+	update_memo();
   TRectype::write_memo(file, recno);
 }
 

src/include/varrec.h

@@ -139,6 +139,7 @@ public:
   void set_memo_fld(const char * fieldname);
   void reset_memo_fld() { set_memo_fld(NULL); }                                                              
   virtual void init_memo(const TRecnotype recno = RECORD_NON_FISICO, TIsam_handle file = 0);
+	virtual void update_memo();
 	virtual void write_memo(TIsam_handle file, const TRecnotype recno);
 
   virtual void add_field(TVariable_field * f);