Implemented the as abstract defined methods of TDataset as empty stubs as listed in bug 12136 for Delphi compatibility

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@12245 3ad0048d-3df7-0310-abae-a5850022a9f2

2 files changed, 89 insertions, 19 deletions

diff --git a/packages/fcl-db/src/base/dataset.inc b/packages/fcl-db/src/base/dataset.inc
index 0245642246..6bf2fd8c0e 100644
--- a/packages/fcl-db/src/base/dataset.inc
+++ b/packages/fcl-db/src/base/dataset.inc
@@ -504,6 +504,31 @@ begin
   Result:=nil;
 end;
 
+function TDataSet.GetRecordSize: Word;
+begin
+  Result := 0;
+end;
+
+procedure TDataSet.InternalAddRecord(Buffer: Pointer; AAppend: Boolean);
+begin
+  // empty stub
+end;
+
+procedure TDataSet.InternalDelete;
+begin
+  // empty stub
+end;
+
+procedure TDataSet.InternalFirst;
+begin
+  // empty stub
+end;
+
+procedure TDataSet.InternalGotoBookmark(ABookmark: Pointer);
+begin
+  // empty stub
+end;
+
 function TDataSet.GetFieldData(Field: TField; Buffer: Pointer): Boolean;
 
 begin
@@ -973,6 +998,16 @@ begin
     ShowException(ExceptObject,ExceptAddr);
 end;
 
+procedure TDataSet.InternalInitRecord(Buffer: PChar);
+begin
+  // empty stub
+end;
+
+procedure TDataSet.InternalLast;
+begin
+  // empty stub
+end;
+
 procedure TDataSet.InternalPost;
 
   Procedure Checkrequired;
@@ -992,6 +1027,21 @@ begin
   Checkrequired;
 end;
 
+procedure TDataSet.InternalSetToRecord(Buffer: PChar);
+begin
+  // empty stub
+end;
+
+procedure TDataSet.SetBookmarkFlag(Buffer: PChar; Value: TBookmarkFlag);
+begin
+  // empty stub
+end;
+
+procedure TDataSet.SetBookmarkData(Buffer: PChar; Data: Pointer);
+begin
+  // empty stub
+end;
+
 procedure TDataSet.SetUniDirectional(const Value: Boolean);
 begin
   FIsUniDirectional := Value;
@@ -1322,6 +1372,26 @@ begin
   // Empty Abstract
 end;
 
+function TDataSet.AllocRecordBuffer: PChar;
+begin
+  Result := nil;
+end;
+
+procedure TDataSet.FreeRecordBuffer(var Buffer: PChar);
+begin
+  // empty stub
+end;
+
+procedure TDataSet.GetBookmarkData(Buffer: PChar; Data: Pointer);
+begin
+  // empty stub
+end;
+
+function TDataSet.GetBookmarkFlag(Buffer: PChar): TBookmarkFlag;
+begin
+  Result := bfCurrent;
+end;
+
 Function TDataset.ControlsDisabled: Boolean;
 
 begin
diff --git a/packages/fcl-db/src/base/db.pas b/packages/fcl-db/src/base/db.pas
index 880960d1ef..923aa25199 100644
--- a/packages/fcl-db/src/base/db.pas
+++ b/packages/fcl-db/src/base/db.pas
@@ -1233,30 +1233,30 @@ type
     property CalcFieldsSize: Longint read FCalcFieldsSize;
     property InternalCalcFields: Boolean read FInternalCalcFields;
     property Constraints: TCheckConstraints read FConstraints write FConstraints;
-  protected { abstract methods }
-    function AllocRecordBuffer: PChar; virtual; abstract;
-    procedure FreeRecordBuffer(var Buffer: PChar); virtual; abstract;
-    procedure GetBookmarkData(Buffer: PChar; Data: Pointer); virtual; abstract;
-    function GetBookmarkFlag(Buffer: PChar): TBookmarkFlag; virtual; abstract;
+    function AllocRecordBuffer: PChar; virtual;
+    procedure FreeRecordBuffer(var Buffer: PChar); virtual;
+    procedure GetBookmarkData(Buffer: PChar; Data: Pointer); virtual;
+    function GetBookmarkFlag(Buffer: PChar): TBookmarkFlag; virtual;
     function GetDataSource: TDataSource; virtual;
+    function GetRecordSize: Word; virtual;
+    procedure InternalAddRecord(Buffer: Pointer; AAppend: Boolean); virtual;
+    procedure InternalDelete; virtual;
+    procedure InternalFirst; virtual;
+    procedure InternalGotoBookmark(ABookmark: Pointer); virtual;
+    procedure InternalHandleException; virtual;
+    procedure InternalInitRecord(Buffer: PChar); virtual;
+    procedure InternalLast; virtual;
+    procedure InternalPost; virtual;
+    procedure InternalSetToRecord(Buffer: PChar); virtual;
+    procedure SetBookmarkFlag(Buffer: PChar; Value: TBookmarkFlag); virtual;
+    procedure SetBookmarkData(Buffer: PChar; Data: Pointer); virtual;
+    procedure SetUniDirectional(const Value: Boolean);
+  protected { abstract methods }
     function GetRecord(Buffer: PChar; GetMode: TGetMode; DoCheck: Boolean): TGetResult; virtual; abstract;
-    function GetRecordSize: Word; virtual; abstract;
-    procedure InternalAddRecord(Buffer: Pointer; AAppend: Boolean); virtual; abstract;
     procedure InternalClose; virtual; abstract;
-    procedure InternalDelete; virtual; abstract;
-    procedure InternalFirst; virtual; abstract;
-    procedure InternalGotoBookmark(ABookmark: Pointer); virtual; abstract;
-    procedure InternalHandleException; virtual;
-    procedure InternalInitFieldDefs; virtual; abstract;
-    procedure InternalInitRecord(Buffer: PChar); virtual; abstract;
-    procedure InternalLast; virtual; abstract;
     procedure InternalOpen; virtual; abstract;
-    procedure InternalPost; virtual;
-    procedure InternalSetToRecord(Buffer: PChar); virtual; abstract;
+    procedure InternalInitFieldDefs; virtual; abstract;
     function IsCursorOpen: Boolean; virtual; abstract;
-    procedure SetBookmarkFlag(Buffer: PChar; Value: TBookmarkFlag); virtual; abstract;
-    procedure SetBookmarkData(Buffer: PChar; Data: Pointer); virtual; abstract;
-    procedure SetUniDirectional(const Value: Boolean);
   public
     constructor Create(AOwner: TComponent); override;
     destructor Destroy; override;