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root/public/ibx/trunk/runtime/IBCustomDataSet.pas

Comparing ibx/trunk/runtime/IBCustomDataSet.pas (file contents):
Revision 37 by tony, Mon Feb 15 14:44:25 2016 UTC vs.
Revision 43 by tony, Thu Sep 22 17:10:15 2016 UTC

#	Line 33 | Line 33
33
34		unit IBCustomDataSet;
35
36	+	{$IF FPC_FULLVERSION >= 20700 }
37	+	{$codepage UTF8}
38	+	{$DEFINE HAS_ANSISTRING_CODEPAGE}
39	+	{$DEFINE NEW_TBOOKMARK}
40	+	{$ENDIF}
41	+
42		{$R-}
43
44		{$Mode Delphi}
#	Line 92 | Line 98 | type
98		fdDataSize: Short;
99		fdDataLength: Short;
100		fdDataOfs: Integer;
101	+	{$IFDEF HAS_ANSISTRING_CODEPAGE}
102	+	fdCodePage: TSystemCodePage;
103	+	{$ENDIF}
104		end;
105		PFieldData = ^TFieldData;
106
#	Line 120 | Line 129 | type
129
130		TIBStringField = class(TStringField)
131		private
132	<	FCharacterSetName: string;
132	>	FCharacterSetName: RawByteString;
133		FCharacterSetSize: integer;
134		protected
135		function GetDefaultWidth: Longint; override;
#	Line 131 | Line 140 | type
140		function GetAsVariant: Variant; override;
141		function GetValue(var Value: string): Boolean;
142		procedure SetAsString(const Value: string); override;
143	<	property CharacterSetName: string read FCharacterSetName write FCharacterSetName;
135	<	property CharacterSetSize: integer read FCharacterSetSize write FCharacterSetSize;
136	<	end;
137	<
138	<	{ TIBWideStringField }
139	<
140	<	TIBWideStringField = class(TWideStringField)
141	<	private
142	<	FCharacterSetName: string;
143	<	FCharacterSetSize: integer;
144	<	public
145	<	property CharacterSetName: string read FCharacterSetName write FCharacterSetName;
143	>	property CharacterSetName: RawByteString read FCharacterSetName write FCharacterSetName;
144		property CharacterSetSize: integer read FCharacterSetSize write FCharacterSetSize;
145	+	{$IFDEF HAS_ANSISTRING_CODEPAGE}
146	+	private
147	+	FCodePage: TSystemCodePage;
148	+	public
149	+	property CodePage: TSystemCodePage read FCodePage write FCodePage;
150	+	{$ENDIF}
151		end;
152
153		{ TIBBCDField }
#	Line 172 | Line 176 | type
176
177		TIBMemoField = class(TMemoField)
178		private
179	<	FCharacterSetName: string;
179	>	FCharacterSetName: RawByteString;
180		FCharacterSetSize: integer;
181		FDisplayTextAsClassName: boolean;
182		function GetTruncatedText: string;
183		protected
184	+	function GetAsString: string; override;
185		function GetDefaultWidth: Longint; override;
186		procedure GetText(var AText: string; ADisplayText: Boolean); override;
187	+	procedure SetAsString(const AValue: string); override;
188		public
189		constructor Create(AOwner: TComponent); override;
190	<	property CharacterSetName: string read FCharacterSetName write FCharacterSetName;
190	>	property CharacterSetName: RawByteString read FCharacterSetName write FCharacterSetName;
191		property CharacterSetSize: integer read FCharacterSetSize write FCharacterSetSize;
192	<	published
192	>	published
193		property DisplayTextAsClassName: boolean read FDisplayTextAsClassName
194		write FDisplayTextAsClassName;
195	<	end;
190	<
191	<	{ TIBWideMemoField }
192	<
193	<	TIBWideMemoField = class(TWideMemoField)
195	>	{$IFDEF HAS_ANSISTRING_CODEPAGE}
196		private
197	<	FCharacterSetName: string;
198	<	FCharacterSetSize: integer;
197	<	FDisplayTextAsClassName: boolean;
198	<	function GetTruncatedText: string;
199	<	protected
200	<	function GetDefaultWidth: Longint; override;
201	<	procedure GetText(var AText: string; ADisplayText: Boolean); override;
197	>	FCodePage: TSystemCodePage;
198	>	FFCodePage: TSystemCodePage;
199		public
200	<	constructor Create(AOwner: TComponent); override;
201	<	property CharacterSetName: string read FCharacterSetName write FCharacterSetName;
205	<	property CharacterSetSize: integer read FCharacterSetSize write FCharacterSetSize;
206	<	published
207	<	property DisplayTextAsClassName: boolean read FDisplayTextAsClassName
208	<	write FDisplayTextAsClassName;
200	>	property CodePage: TSystemCodePage read FFCodePage write FFCodePage;
201	>	{$ENDIF}
202		end;
203
204		TIBDataLink = class(TDetailDataLink)
#	Line 719 | Line 712 | type
712		protected
713		FField: TField;
714		FBlobStream: TIBBlobStream;
715	+	function  GetSize: Int64; override;
716		public
717		constructor Create(AField: TField; ABlobStream: TIBBlobStream;
718		Mode: TBlobStreamMode);
#	Line 755 | Line 749 | DefaultFieldClasses: array[TFieldType] o
749		TBlobField,         { ftTypedBinary }
750		nil,                { ftCursor }
751		TStringField,       { ftFixedChar }
752	<	TIBWideStringField,    { ftWideString }
752	>	nil,    { ftWideString }
753		TLargeIntField,     { ftLargeInt }
754		nil,          { ftADT }
755		nil,        { ftArray }
#	Line 770 | Line 764 | DefaultFieldClasses: array[TFieldType] o
764		TDateTimeField,    {ftTimestamp}
765		TIBBCDField,       {ftFMTBcd}
766		nil,  {ftFixedWideChar}
767	<	TIBWideMemoField);   {ftWideMemo}
767	>	nil);   {ftWideMemo}
768		(*
769		TADTField,          { ftADT }
770		TArrayField,        { ftArray }
#	Line 787 | Line 781 | DefaultFieldClasses: array[TFieldType] o
781
782		implementation
783
784	<	uses IBIntf, Variants, FmtBCD, LazUTF8;
784	>	uses IBIntf, Variants, FmtBCD, LazUTF8, IBCodePage;
785
786		const FILE_BEGIN = 0;
787		FILE_CURRENT = 1;
#	Line 816 | Line 810 | type
810
811		TIBFieldDef = class(TFieldDef)
812		private
813	<	FCharacterSetName: string;
813	>	FCharacterSetName: RawByteString;
814		FCharacterSetSize: integer;
815	+	{$IFDEF HAS_ANSISTRING_CODEPAGE}
816	+	FCodePage: TSystemCodePage;
817	+	{$ENDIF}
818		published
819	<	property CharacterSetName: string read FCharacterSetName write FCharacterSetName;
819	>	property CharacterSetName: RawByteString read FCharacterSetName write FCharacterSetName;
820		property CharacterSetSize: integer read FCharacterSetSize write FCharacterSetSize;
821	+	{$IFDEF HAS_ANSISTRING_CODEPAGE}
822	+	property CodePage: TSystemCodePage read FCodePage write FCodePage;
823	+	{$ENDIF}
824		end;
825
826
#	Line 865 | Line 865 | type
865		Result := str;
866		end;
867
868	–	{ TIBWideMemoField }
869	–
870	–	function TIBWideMemoField.GetTruncatedText: string;
871	–	begin
872	–	Result := GetAsString;
873	–
874	–	if Result <> '' then
875	–	if DisplayWidth = 0 then
876	–	Result := TextToSingleLine(Result)
877	–	else
878	–	if Length(Result) > DisplayWidth then {Show truncation with elipses}
879	–	Result := TextToSingleLine(system.copy(Result,1,DisplayWidth-3)) + '...';
880	–	end;
881	–
882	–	function TIBWideMemoField.GetDefaultWidth: Longint;
883	–	begin
884	–	Result := 128;
885	–	end;
886	–
887	–	procedure TIBWideMemoField.GetText(var AText: string; ADisplayText: Boolean);
888	–	begin
889	–	if ADisplayText then
890	–	begin
891	–	if not DisplayTextAsClassName then
892	–	AText := GetTruncatedText
893	–	else
894	–	inherited GetText(AText, ADisplayText);
895	–	end
896	–	else
897	–	AText := GetAsString;
898	–	end;
899	–
900	–	constructor TIBWideMemoField.Create(AOwner: TComponent);
901	–	begin
902	–	inherited Create(AOwner);
903	–	BlobType := ftWideMemo;
904	–	end;
905	–
868		{ TIBMemoField }
869
870		function TIBMemoField.GetTruncatedText: string;
#	Line 932 | Line 894 | begin
894		end
895		end;
896
897	+	function TIBMemoField.GetAsString: string;
898	+	var s: RawByteString;
899	+	begin
900	+	s := inherited GetAsString;
901	+	{$IFDEF HAS_ANSISTRING_CODEPAGE}
902	+	SetCodePage(s,CodePage,false);
903	+	if (CodePage <> CP_NONE) and (CodePage <> CP_UTF8) then
904	+	SetCodePage(s,CP_UTF8,true);  {LCL only accepts UTF8}
905	+	{$ENDIF}
906	+	Result := s;
907	+	end;
908	+
909		function TIBMemoField.GetDefaultWidth: Longint;
910		begin
911		if DisplayTextAsClassName then
#	Line 944 | Line 918 | procedure TIBMemoField.GetText(var AText
918		begin
919		if ADisplayText then
920		begin
921	<	if not DisplayTextAsClassName then
921	>	if not DisplayTextAsClassName and (CharacterSetName <> '') then
922		AText := GetTruncatedText
923		else
924		inherited GetText(AText, ADisplayText);
#	Line 953 | Line 927 | begin
927		AText := GetAsString;
928		end;
929
930	+	procedure TIBMemoField.SetAsString(const AValue: string);
931	+	var s: RawByteString;
932	+	begin
933	+	s := AValue;
934	+	{$IFDEF HAS_ANSISTRING_CODEPAGE}
935	+	if StringCodePage(Value) <> CodePage then
936	+	SetCodePage(s,CodePage,CodePage<>CP_NONE);
937	+	{$ENDIF}
938	+	inherited SetAsString(s);
939	+	end;
940	+
941		constructor TIBMemoField.Create(AOwner: TComponent);
942		begin
943		inherited Create(AOwner);
944		BlobType := ftMemo;
945	+	{$IFDEF HAS_ANSISTRING_CODEPAGE}
946	+	FCodePage := CP_NONE;
947	+	{$ENDIF}
948		end;
949
950		{ TIBControlLink }
#	Line 999 | Line 987 | constructor TIBStringField.Create(aOwner
987		begin
988		inherited Create(aOwner);
989		FCharacterSetSize := 1;
990	+	{$IFDEF HAS_ANSISTRING_CODEPAGE}
991	+	FCodePage := CP_NONE;
992	+	{$ENDIF}
993		end;
994
995		class procedure TIBStringField.CheckTypeSize(Value: Integer);
#	Line 1021 | Line 1012 | end;
1012		function TIBStringField.GetValue(var Value: string): Boolean;
1013		var
1014		Buffer: PChar;
1015	+	s: RawByteString;
1016	+	//  i: integer;
1017		begin
1018		Buffer := nil;
1019		IBAlloc(Buffer, 0, Size + 1);
#	Line 1028 | Line 1021 | begin
1021		Result := GetData(Buffer);
1022		if Result then
1023		begin
1024	+	{$IFDEF HAS_ANSISTRING_CODEPAGE}
1025	+	s := string(Buffer);
1026	+	SetCodePage(s,CodePage,false);
1027	+	if (CodePage <> CP_NONE) and (CodePage <> CP_UTF8) then
1028	+	SetCodePage(s,CP_UTF8,true);  {LCL only accepts UTF8}
1029	+	Value := s;
1030	+	(*      write(FieldName,': ', StringCodePage(Value),', ',Value,' ');
1031	+	for i := 1 to Length(Value) do
1032	+	write(Format('%x ',[byte(Value[i])]));
1033	+	writeln;*)
1034	+	{$ELSE}
1035		Value := string(Buffer);
1036	+	{$ENDIF}
1037		if Transliterate and (Value <> '') then
1038		DataSet.Translate(PChar(Value), PChar(Value), False);
1039		end
#	Line 1040 | Line 1045 | end;
1045		procedure TIBStringField.SetAsString(const Value: string);
1046		var
1047		Buffer: PChar;
1048	+	s: RawByteString;
1049		begin
1050		Buffer := nil;
1051		IBAlloc(Buffer, 0, Size + 1);
1052		try
1053	<	StrLCopy(Buffer, PChar(Value), Size);
1053	>	s := Value;
1054	>	{$IFDEF HAS_ANSISTRING_CODEPAGE}
1055	>	if StringCodePage(s) <> CodePage then
1056	>	SetCodePage(s,CodePage,CodePage<>CP_NONE);
1057	>	{$ENDIF}
1058	>	StrLCopy(Buffer, PChar(s), Size);
1059		if Transliterate then
1060		DataSet.Translate(Buffer, Buffer, True);
1061		SetData(Buffer);
#	Line 1260 | Line 1271 | end;
1271
1272		procedure TIBCustomDataSet.ApplyUpdates;
1273		var
1274	<	{$IF FPC_FULLVERSION >= 20700 }
1274	>	{$IFDEF NEW_TBOOKMARK }
1275		CurBookmark: TBookmark;
1276		{$ELSE}
1277		CurBookmark: string;
#	Line 1704 | Line 1715 | var
1715		LocalInt64: Int64;
1716		LocalCurrency: Currency;
1717		FieldsLoaded: Integer;
1707	–	temp: TIBXSQLVAR;
1718		begin
1719		p := PRecordData(Buffer);
1720		{ Make sure blob cache is empty }
#	Line 1753 | Line 1763 | begin
1763		(Qry.Current[i].Data^.sqltype and 1 = 1);
1764		rdFields[j].fdIsNull :=
1765		(rdFields[j].fdNullable and (Qry.Current[i].Data^.sqlind^ = -1));
1766	+	{$IFDEF HAS_ANSISTRING_CODEPAGE}
1767	+	rdFields[j].fdCodePage := 0;
1768	+	{$ENDIF}
1769		LocalData := Qry.Current[i].Data^.sqldata;
1770		case rdFields[j].fdDataType of
1771		SQL_TIMESTAMP:
#	Line 1833 | Line 1846 | begin
1846		begin
1847		rdFields[j].fdDataSize := Qry.Current[i].Data^.sqllen;
1848		rdFields[j].fdDataLength := isc_vax_integer(Qry.Current[i].Data^.sqldata, 2);
1849	+	{$IFDEF HAS_ANSISTRING_CODEPAGE}
1850	+	TFirebirdCharacterSets.CharSetID2CodePage(Qry.Current[i].Data^.sqlsubtype and $FF,
1851	+	rdFields[j].fdCodePage);
1852	+	{$ENDIF}
1853		if RecordNumber >= 0 then
1854		begin
1855		if (rdFields[j].fdDataLength = 0) then
1856		LocalData := nil
1857		else
1858	<	begin
1842	<	temp :=  Qry.Current[i];
1843	<	LocalData := @temp.Data^.sqldata[2];
1844	<	(*              LocalData := @Qry.Current[i].Data^.sqldata[2];*)
1845	<	end;
1858	>	Inc(LocalData,2);
1859		end;
1860		end;
1861		SQL_BOOLEAN:
#	Line 1853 | Line 1866 | begin
1866		LocalBool := Qry.Current[i].AsBoolean;
1867		LocalData := PChar(@LocalBool);
1868		end;
1869	<	else { SQL_TEXT, SQL_BLOB, SQL_ARRAY, SQL_QUAD }
1869	>	SQL_TEXT:
1870	>	begin
1871	>	rdFields[j].fdDataSize := Qry.Current[i].Data^.sqllen;
1872	>	rdFields[j].fdDataLength := rdFields[j].fdDataSize;
1873	>	{$IFDEF HAS_ANSISTRING_CODEPAGE}
1874	>	TFirebirdCharacterSets.CharSetID2CodePage(Qry.Current[i].Data^.sqlsubtype and $FF,
1875	>	rdFields[j].fdCodePage);
1876	>	{$ENDIF}
1877	>	end;
1878	>	else {  SQL_BLOB, SQL_ARRAY, SQL_QUAD }
1879		begin
1880		rdFields[j].fdDataSize := Qry.Current[i].Data^.sqllen;
1859	–	if (rdFields[j].fdDataType = SQL_TEXT) then
1860	–	rdFields[j].fdDataLength := rdFields[j].fdDataSize;
1881		end;
1882		end;
1883		if RecordNumber < 0 then
#	Line 1995 | Line 2015 | function TIBCustomDataSet.InternalLocate
2015		const KeyValues: Variant; Options: TLocateOptions): Boolean;
2016		var
2017		keyFieldList: TList;
2018	<	{$IF FPC_FULLVERSION >= 20700 }
2018	>	{$IFDEF NEW_TBOOKMARK }
2019		CurBookmark: TBookmark;
2020		{$ELSE}
2021		CurBookmark: string;
#	Line 2392 | Line 2412 | procedure TIBCustomDataSet.SetInternalSQ
2412		var
2413		i, j: Integer;
2414		cr, data: PChar;
2415	<	fn, st: string;
2415	>	fn: string;
2416	>	st: RawByteString;
2417		OldBuffer: Pointer;
2418		ts: TTimeStamp;
2419		begin
#	Line 2440 | Line 2461 | begin
2461		SQL_TEXT, SQL_VARYING:
2462		begin
2463		SetString(st, data, rdFields[j].fdDataLength);
2464	+	{$IFDEF HAS_ANSISTRING_CODEPAGE}
2465	+	SetCodePage(st,rdFields[j].fdCodePage,false);
2466	+	{$ENDIF}
2467		Qry.Params[i].AsString := st;
2468		end;
2469		SQL_FLOAT, SQL_DOUBLE, SQL_D_FLOAT:
#	Line 2937 | Line 2961 | end;
2961
2962		procedure TIBCustomDataSet.FetchAll;
2963		var
2964	<	{$IF FPC_FULLVERSION >= 20700 }
2964	>	{$IFDEF NEW_TBOOKMARK }
2965		CurBookmark: TBookmark;
2966		{$ELSE}
2967		CurBookmark: string;
#	Line 3360 | Line 3384 | const
3384		var
3385		FieldType: TFieldType;
3386		FieldSize: Word;
3387	<	charSetID: short;
3387	>	charSetID: integer;
3388		CharSetSize: integer;
3389	<	CharSetName: string;
3389	>	CharSetName: RawByteString;
3390	>	{$IFDEF HAS_ANSISTRING_CODEPAGE}
3391	>	FieldCodePage: TSystemCodePage;
3392	>	{$ENDIF}
3393		FieldNullable : Boolean;
3394		i, FieldPosition, FieldPrecision: Integer;
3395		FieldAliasName, DBAliasName: string;
#	Line 3495 | Line 3522 | begin
3522		FieldNullable := SourceQuery.Current[i].IsNullable;
3523		CharSetSize := 0;
3524		CharSetName := '';
3525	+	{$IFDEF HAS_ANSISTRING_CODEPAGE}
3526	+	FieldCodePage := CP_NONE;
3527	+	{$ENDIF}
3528		case sqltype and not 1 of
3529		{ All VARCHAR's must be converted to strings before recording
3530		their values }
3531		SQL_VARYING, SQL_TEXT:
3532		begin
3533	<	CharSetSize := FBase.GetCharSetSize(sqlsubtype and $FF);
3534	<	CharSetName := FBase.GetCharSetName(sqlsubtype and $FF);
3535	<	{FieldSize is encoded for strings - see TIBStringField.SetSize for decode}
3533	>	CharSetID := SourceQuery.Current[i].GetCharSetID;
3534	>	TFirebirdCharacterSets.CharSetWidth(CharSetID,CharSetSize);
3535	>	CharSetName := TFirebirdCharacterSets.GetCharsetName(CharSetID);
3536	>	{$IFDEF HAS_ANSISTRING_CODEPAGE}
3537	>	TFirebirdCharacterSets.CharSetID2CodePage(CharSetID,FieldCodePage);
3538	>	{$ENDIF}
3539		FieldSize := sqllen;
3540	<	if CharSetSize = 2 then
3508	<	FieldType := ftWideString
3509	<	else
3510	<	FieldType := ftString;
3540	>	FieldType := ftString;
3541		end;
3542		{ All Doubles/Floats should be cast to doubles }
3543		SQL_DOUBLE, SQL_FLOAT:
#	Line 3567 | Line 3597 | begin
3597		FieldSize := sizeof (TISC_QUAD);
3598		if (sqlsubtype = 1) then
3599		begin
3600	<	if strpas(sqlname) = '' then {Complex SQL with no identifiable column - use connection default}
3601	<	begin
3602	<	CharSetSize := FBase.GetDefaultCharSetSize;
3603	<	CharSetName := FBase.GetDefaultCharSetName;
3604	<	end
3605	<	else
3606	<	begin
3577	<	charSetID := GetBlobCharSetID(Database.Handle,Database.InternalTransaction.Handle,
3578	<	@relname,@sqlname);
3579	<	CharSetSize := FBase.GetCharSetSize(charSetID);
3580	<	CharSetName := FBase.GetCharSetName(charSetID);
3581	<	end;
3582	<	if CharSetSize = 2 then
3583	<	FieldType := ftWideMemo
3584	<	else
3585	<	FieldType := ftMemo;
3600	>	CharSetID := SourceQuery.Current[i].GetCharSetID;
3601	>	TFirebirdCharacterSets.CharSetWidth(CharSetID,CharSetSize);
3602	>	CharSetName := TFirebirdCharacterSets.GetCharsetName(CharSetID);
3603	>	{$IFDEF HAS_ANSISTRING_CODEPAGE}
3604	>	TFirebirdCharacterSets.CharSetID2CodePage(CharSetID,FieldCodePage);
3605	>	{$ENDIF}
3606	>	FieldType := ftMemo;
3607		end
3608		else
3609		FieldType := ftBlob;
#	Line 3612 | Line 3633 | begin
3633		InternalCalcField := False;
3634		CharacterSetSize := CharSetSize;
3635		CharacterSetName := CharSetName;
3636	+	{$IFDEF HAS_ANSISTRING_CODEPAGE}
3637	+	CodePage := FieldCodePage;
3638	+	{$ENDIF}
3639		if (FieldName <> '') and (RelationName <> '') then
3640		begin
3641		if Has_COMPUTED_BLR(RelationName, FieldName) then
#	Line 3779 | Line 3803 | procedure TIBCustomDataSet.InternalOpen;
3803		begin
3804		CharacterSetSize := IBFieldDef.CharacterSetSize;
3805		CharacterSetName := IBFieldDef.CharacterSetName;
3806	<	end;
3807	<	end
3808	<	else
3785	<	if(Fields[i] is TIBWideStringField) then
3786	<	with TIBWideStringField(Fields[i]) do
3787	<	begin
3788	<	IBFieldDef := GetFieldDef(FieldNo);
3789	<	if IBFieldDef <> nil then
3790	<	begin
3791	<	CharacterSetSize := IBFieldDef.CharacterSetSize;
3792	<	CharacterSetName := IBFieldDef.CharacterSetName;
3806	>	{$IFDEF HAS_ANSISTRING_CODEPAGE}
3807	>	CodePage := IBFieldDef.CodePage;
3808	>	{$ENDIF}
3809		end;
3810		end
3811		else
#	Line 3801 | Line 3817 | procedure TIBCustomDataSet.InternalOpen;
3817		begin
3818		CharacterSetSize := IBFieldDef.CharacterSetSize;
3819		CharacterSetName := IBFieldDef.CharacterSetName;
3820	<	end;
3821	<	end
3822	<	else
3807	<	if(Fields[i] is TIBWideMemoField) then
3808	<	with TIBWideMemoField(Fields[i]) do
3809	<	begin
3810	<	IBFieldDef := GetFieldDef(FieldNo);
3811	<	if IBFieldDef <> nil then
3812	<	begin
3813	<	CharacterSetSize := IBFieldDef.CharacterSetSize;
3814	<	CharacterSetName := IBFieldDef.CharacterSetName;
3820	>	{$IFDEF HAS_ANSISTRING_CODEPAGE}
3821	>	CodePage := IBFieldDef.CodePage;
3822	>	{$ENDIF}
3823		end;
3824		end
3825		end
#	Line 3970 | Line 3978 | end;
3978		function TIBCustomDataSet.Locate(const KeyFields: string; const KeyValues: Variant;
3979		Options: TLocateOptions): Boolean;
3980		var
3981	<	{$IF FPC_FULLVERSION >= 20700 }
3981	>	{$IFDEF NEW_TBOOKMARK }
3982		CurBookmark: TBookmark;
3983		{$ELSE}
3984		CurBookmark: string;
#	Line 3992 | Line 4000 | function TIBCustomDataSet.Lookup(const K
4000		const ResultFields: string): Variant;
4001		var
4002		fl: TList;
4003	<	{$IF FPC_FULLVERSION >= 20700 }
4003	>	{$IFDEF NEW_TBOOKMARK }
4004		CurBookmark: TBookmark;
4005		{$ELSE}
4006		CurBookmark: string;
#	Line 4576 | Line 4584 | begin
4584		DataSet.SetInternalSQLParams(Query, buff);
4585		end;
4586
4587	+	function TIBDSBlobStream.GetSize: Int64;
4588	+	begin
4589	+	Result := FBlobStream.BlobSize;
4590	+	end;
4591	+
4592		{ TIBDSBlobStream }
4593		constructor TIBDSBlobStream.Create(AField: TField; ABlobStream: TIBBlobStream;
4594		Mode: TBlobStreamMode);
#	Line 4584 | Line 4597 | begin
4597		FBlobStream := ABlobStream;
4598		FBlobStream.Seek(0, soFromBeginning);
4599		if (Mode = bmWrite) then
4600	+	begin
4601		FBlobStream.Truncate;
4602	+	TIBCustomDataSet(FField.DataSet).RecordModified(True);
4603	+	TBlobField(FField).Modified := true;
4604	+	FHasWritten := true;
4605	+	end;
4606		end;
4607
4608		destructor TIBDSBlobStream.Destroy;

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