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root/public/ibx/branches/udr/client/FBSQLData.pas

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ibx/trunk/fbintf/client/FBSQLData.pas (file contents), Revision 308 by tony, Sat Jul 18 10:26:30 2020 UTC vs.
ibx/branches/udr/client/FBSQLData.pas (file contents), Revision 370 by tony, Wed Jan 5 14:59:15 2022 UTC

#	Line 80 | Line 80 | unit FBSQLData;
80		interface
81
82		uses
83	<	Classes, SysUtils, IBExternals, IBHeader, {$IFDEF WINDOWS} Windows, {$ENDIF} IB,  FBActivityMonitor, FBClientAPI;
83	>	Classes, SysUtils, IBExternals, {$IFDEF WINDOWS} Windows, {$ENDIF} IB,  FBActivityMonitor, FBClientAPI,
84	>	FmtBCD;
85
86		type
87
88	<	{ TSQLDataItem }
88	>	{The IExTimeZoneServices is only available in FB4 and onwards}
89	>
90	>	IExTimeZoneServices = interface(ITimeZoneServices)
91	>	['{789c2eeb-c4a7-4fed-837e-0cbdef775904}']
92	>	{encode/decode - used to encode/decode the wire protocol}
93	>	procedure EncodeTimestampTZ(timestamp: TDateTime; timezoneID: TFBTimeZoneID;
94	>	bufptr: PByte); overload;
95	>	procedure EncodeTimestampTZ(timestamp: TDateTime; timezone: AnsiString;
96	>	bufptr: PByte); overload;
97	>	procedure EncodeTimeTZ(time: TDateTime; timezoneID: TFBTimeZoneID; OnDate: TDateTime;
98	>	bufptr: PByte); overload;
99	>	procedure EncodeTimeTZ(time: TDateTime; timezone: AnsiString; OnDate: TDateTime;
100	>	bufptr: PByte); overload;
101	>	procedure DecodeTimestampTZ(bufptr: PByte; var timestamp: TDateTime;
102	>	var dstOffset: smallint; var timezoneID: TFBTimeZoneID); overload;
103	>	procedure DecodeTimestampTZ(bufptr: PByte; var timestamp: TDateTime;
104	>	var dstOffset: smallint; var timezone: AnsiString); overload;
105	>	procedure DecodeTimestampTZEx(bufptr: PByte; var timestamp: TDateTime;
106	>	var dstOffset: smallint; var timezoneID: TFBTimeZoneID); overload;
107	>	procedure DecodeTimestampTZEx(bufptr: PByte; var timestamp: TDateTime;
108	>	var dstOffset: smallint; var timezone: AnsiString); overload;
109	>	procedure DecodeTimeTZ(bufptr: PByte; OnDate: TDateTime; var time: TDateTime;
110	>	var dstOffset: smallint; var timezoneID: TFBTimeZoneID); overload;
111	>	procedure DecodeTimeTZ(bufptr: PByte; OnDate: TDateTime; var time: TDateTime;
112	>	var dstOffset: smallint; var timezone: AnsiString); overload;
113	>	procedure DecodeTimeTZEx(bufptr: PByte; OnDate: TDateTime; var time: TDateTime;
114	>	var dstOffset: smallint; var timezoneID: TFBTimeZoneID); overload;
115	>	procedure DecodeTimeTZEx(bufptr: PByte; OnDate: TDateTime; var time: TDateTime;
116	>	var dstOffset: smallint; var timezone: AnsiString); overload;
117	>	end;
118	>
119	>	{ TSQLDataItem }
120
121		TSQLDataItem = class(TFBInterfacedObject)
122		private
123		FFirebirdClientAPI: TFBClientAPI;
124	<	function AdjustScale(Value: Int64; aScale: Integer): Double;
93	<	function AdjustScaleToInt64(Value: Int64; aScale: Integer): Int64;
94	<	function AdjustScaleToCurrency(Value: Int64; aScale: Integer): Currency;
95	<	function GetTimestampFormatStr: AnsiString;
124	>	FTimeZoneServices: IExTimeZoneServices;
125		function GetDateFormatStr(IncludeTime: boolean): AnsiString;
126		function GetTimeFormatStr: AnsiString;
127	+	function GetTimestampFormatStr: AnsiString;
128		procedure SetAsInteger(AValue: Integer);
129	+	procedure InternalGetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint;
130	+	var aTimezone: AnsiString; var aTimeZoneID: TFBTimeZoneID);
131		protected
132	+	function AdjustScale(Value: Int64; aScale: Integer): Double;
133	+	function AdjustScaleToInt64(Value: Int64; aScale: Integer): Int64;
134	+	function AdjustScaleToStr(Value: Int64; aScale: Integer): AnsiString;
135	+	function AdjustScaleToCurrency(Value: Int64; aScale: Integer): Currency;
136		function AdjustScaleFromCurrency(Value: Currency; aScale: Integer): Int64;
137		function AdjustScaleFromDouble(Value: Double; aScale: Integer): Int64;
138		procedure CheckActive; virtual;
139	+	procedure CheckTZSupport;
140	+	function GetAttachment: IAttachment; virtual; abstract;
141		function GetSQLDialect: integer; virtual; abstract;
142	+	function GetTimeZoneServices: IExTimeZoneServices; virtual;
143		procedure Changed; virtual;
144		procedure Changing; virtual;
145		procedure InternalSetAsString(Value: AnsiString); virtual;
#	Line 113 | Line 152 | type
152		procedure SetDataLength(len: cardinal); virtual;
153		procedure SetSQLType(aValue: cardinal); virtual;
154		property DataLength: cardinal read GetDataLength write SetDataLength;
155	<
155	>	property FirebirdClientAPI: TFBClientAPI read FFirebirdClientAPI;
156		public
157		constructor Create(api: TFBClientAPI);
158	<	function GetSQLType: cardinal; virtual; abstract;
158	>	function GetSQLType: cardinal; virtual; abstract; {Current Field Data SQL Type}
159		function GetSQLTypeName: AnsiString; overload;
160	<	class function GetSQLTypeName(SQLType: short): AnsiString; overload;
160	>	class function GetSQLTypeName(SQLType: cardinal): AnsiString; overload;
161		function GetStrDataLength: short;
162		function GetName: AnsiString; virtual; abstract;
163	<	function GetScale: integer; virtual; abstract;
163	>	function GetScale: integer; virtual; abstract; {Current Field Data scale}
164		function GetAsBoolean: boolean;
165		function GetAsCurrency: Currency;
166		function GetAsInt64: Int64;
167	<	function GetAsDateTime: TDateTime;
167	>	function GetAsDateTime: TDateTime; overload;
168	>	procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
169	>	procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
170	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
171	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
172	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
173	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
174	>	function GetAsUTCDateTime: TDateTime;
175		function GetAsDouble: Double;
176		function GetAsFloat: Float;
177		function GetAsLong: Long;
#	Line 138 | Line 184 | type
184		function GetAsVariant: Variant;
185		function GetModified: boolean; virtual;
186		function GetDateTimeStrLength(DateTimeFormat: TIBDateTimeFormats): integer;
187	+	function GetAsBCD: tBCD;
188		function GetSize: cardinal; virtual; abstract;
189	+	function GetCharSetWidth: integer; virtual; abstract;
190		procedure SetAsBoolean(AValue: boolean); virtual;
191		procedure SetAsCurrency(Value: Currency); virtual;
192		procedure SetAsInt64(Value: Int64); virtual;
193		procedure SetAsDate(Value: TDateTime); virtual;
194		procedure SetAsLong(Value: Long); virtual;
195	<	procedure SetAsTime(Value: TDateTime); virtual;
196	<	procedure SetAsDateTime(Value: TDateTime);
195	>	procedure SetAsTime(Value: TDateTime); overload;
196	>	procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime;aTimeZoneID: TFBTimeZoneID); overload;
197	>	procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
198	>	procedure SetAsDateTime(Value: TDateTime); overload;
199	>	procedure SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
200	>	procedure SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
201	>	procedure SetAsUTCDateTime(aUTCTime: TDateTime);
202		procedure SetAsDouble(Value: Double); virtual;
203		procedure SetAsFloat(Value: Float); virtual;
204		procedure SetAsPointer(Value: Pointer);
#	Line 153 | Line 206 | type
206		procedure SetAsShort(Value: short); virtual;
207		procedure SetAsString(Value: AnsiString); virtual;
208		procedure SetAsVariant(Value: Variant);
209	<	procedure SetAsNumeric(Value: Int64; aScale: integer);
209	>	procedure SetAsNumeric(Value: Int64; aScale: integer); virtual;
210	>	procedure SetAsBcd(aValue: tBCD); virtual;
211		procedure SetIsNull(Value: Boolean); virtual;
212		procedure SetIsNullable(Value: Boolean); virtual;
213		procedure SetName(aValue: AnsiString); virtual;
#	Line 212 | Line 266 | type
266		function StateChanged(var ChangeSeqNo: integer): boolean; virtual; abstract;
267		property CaseSensitiveParams: boolean read FCaseSensitiveParams
268		write FCaseSensitiveParams; {Only used when IsInputDataArea true}
269	+	function CanChangeMetaData: boolean; virtual; abstract;
270		property Count: integer read GetCount;
271		property Column[index: integer]: TSQLVarData read GetColumn;
272		property UniqueRelationName: AnsiString read FUniqueRelationName;
#	Line 230 | Line 285 | type
285		FModified: boolean;
286		FUniqueName: boolean;
287		FVarString: RawByteString;
288	+	FColMetaData: IParamMetaData;
289		function GetStatement: IStatement;
290		procedure SetName(AValue: AnsiString);
291		protected
292	+	FArrayIntf: IArray;
293	+	function GetAttachment: IAttachment; virtual; abstract;
294		function GetSQLType: cardinal; virtual; abstract;
295		function GetSubtype: integer; virtual; abstract;
296		function GetAliasName: AnsiString;  virtual; abstract;
#	Line 241 | Line 299 | type
299		function GetRelationName: AnsiString;  virtual; abstract;
300		function GetScale: integer; virtual; abstract;
301		function GetCharSetID: cardinal; virtual; abstract;
302	+	function GetCharSetWidth: integer; virtual; abstract;
303		function GetCodePage: TSystemCodePage; virtual; abstract;
304		function GetIsNull: Boolean;   virtual; abstract;
305		function GetIsNullable: boolean; virtual; abstract;
306		function GetSQLData: PByte;  virtual; abstract;
307	<	function GetDataLength: cardinal; virtual; abstract;
307	>	function GetDataLength: cardinal; virtual; abstract; {current field length}
308	>	function GetSize: cardinal; virtual; abstract; {field length as given by metadata}
309	>	function GetDefaultTextSQLType: cardinal; virtual; abstract;
310		procedure SetIsNull(Value: Boolean); virtual; abstract;
311		procedure SetIsNullable(Value: Boolean);  virtual; abstract;
312		procedure SetSQLData(AValue: PByte; len: cardinal); virtual; abstract;
#	Line 253 | Line 314 | type
314		procedure SetDataLength(len: cardinal); virtual; abstract;
315		procedure SetSQLType(aValue: cardinal); virtual; abstract;
316		procedure SetCharSetID(aValue: cardinal); virtual; abstract;
317	+	procedure SetMetaSize(aValue: cardinal); virtual;
318		public
319		constructor Create(aParent: TSQLDataArea; aIndex: integer);
320		procedure SetString(aValue: AnsiString);
321		procedure Changed; virtual;
322		procedure RowChange; virtual;
323	<	function GetAsArray(Array_ID: TISC_QUAD): IArray; virtual; abstract;
323	>	function GetAsArray: IArray; virtual; abstract;
324		function GetAsBlob(Blob_ID: TISC_QUAD; BPB: IBPB): IBlob; virtual; abstract;
325		function CreateBlob: IBlob; virtual; abstract;
326		function GetArrayMetaData: IArrayMetaData; virtual; abstract;
327		function GetBlobMetaData: IBlobMetaData; virtual; abstract;
328	+	function getColMetadata: IParamMetaData;
329		procedure Initialize; virtual;
330	+	procedure SaveMetaData;
331	+	procedure SetArray(AValue: IArray);
332
333		public
334		property AliasName: AnsiString read GetAliasName;
#	Line 297 | Line 362 | type
362		FChangeSeqNo: integer;
363		protected
364		procedure CheckActive; override;
365	+	function GetAttachment: IAttachment; override;
366		function SQLData: PByte; override;
367		function GetDataLength: cardinal; override;
368		function GetCodePage: TSystemCodePage; override;
#	Line 320 | Line 386 | type
386		function getCharSetID: cardinal; override;
387		function GetIsNullable: boolean; override;
388		function GetSize: cardinal; override;
389	+	function GetCharSetWidth: integer; override;
390		function GetArrayMetaData: IArrayMetaData;
391		function GetBlobMetaData: IBlobMetaData;
392		function GetStatement: IStatement;
#	Line 350 | Line 417 | type
417		property AsBlob: IBlob read GetAsBlob;
418		end;
419
420	+	{ TSQLParamMetaData }
421	+
422	+	TSQLParamMetaData = class(TFBInterfacedObject,IParamMetaData)
423	+	private
424	+	FSQLType: cardinal;
425	+	FSQLSubType: integer;
426	+	FScale: integer;
427	+	FCharSetID: cardinal;
428	+	FNullable: boolean;
429	+	FSize: cardinal;
430	+	FCodePage: TSystemCodePage;
431	+	public
432	+	constructor Create(src: TSQLVarData);
433	+	{IParamMetaData}
434	+	function GetSQLType: cardinal;
435	+	function GetSQLTypeName: AnsiString;
436	+	function getSubtype: integer;
437	+	function getScale: integer;
438	+	function getCharSetID: cardinal;
439	+	function getCodePage: TSystemCodePage;
440	+	function getIsNullable: boolean;
441	+	function GetSize: cardinal;
442	+	property SQLType: cardinal read GetSQLType;
443	+	end;
444	+
445		{ TSQLParam }
446
447	<	TSQLParam = class(TIBSQLData,ISQLParam)
447	>	TSQLParam = class(TIBSQLData,ISQLParam,ISQLData)
448		protected
449		procedure CheckActive; override;
450		procedure Changed; override;
#	Line 362 | Line 454 | type
454		procedure SetSQLType(aValue: cardinal); override;
455		public
456		procedure Clear;
457	+	function getColMetadata: IParamMetaData;
458		function GetModified: boolean; override;
459		function GetAsPointer: Pointer;
460	+	function GetAsString: AnsiString; override;
461		procedure SetName(Value: AnsiString); override;
462		procedure SetIsNull(Value: Boolean);  override;
463		procedure SetIsNullable(Value: Boolean); override;
#	Line 375 | Line 469 | type
469		procedure SetAsInt64(AValue: Int64);
470		procedure SetAsDate(AValue: TDateTime);
471		procedure SetAsLong(AValue: Long);
472	<	procedure SetAsTime(AValue: TDateTime);
473	<	procedure SetAsDateTime(AValue: TDateTime);
472	>	procedure SetAsTime(AValue: TDateTime); overload;
473	>	procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
474	>	procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
475	>	procedure SetAsTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
476	>	procedure SetAsTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
477	>	procedure SetAsDateTime(AValue: TDateTime); overload;
478	>	procedure SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
479	>	procedure SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
480		procedure SetAsDouble(AValue: Double);
481		procedure SetAsFloat(AValue: Float);
482		procedure SetAsPointer(AValue: Pointer);
#	Line 386 | Line 486 | type
486		procedure SetAsBlob(aValue: IBlob);
487		procedure SetAsQuad(AValue: TISC_QUAD);
488		procedure SetCharSetID(aValue: cardinal);
489	+	procedure SetAsBcd(aValue: tBCD);
490
491		property AsBlob: IBlob read GetAsBlob write SetAsBlob;
492		property IsNullable: Boolean read GetIsNullable write SetIsNullable;
#	Line 459 | Line 560 | implementation
560
561		uses FBMessages, variants, IBUtils, FBTransaction, DateUtils;
562
563	+	{ TSQLParamMetaData }
564	+
565	+	constructor TSQLParamMetaData.Create(src: TSQLVarData);
566	+	begin
567	+	inherited Create;
568	+	FSQLType := src.GetSQLType;
569	+	FSQLSubType := src.getSubtype;
570	+	FScale := src.GetScale;
571	+	FCharSetID := src.getCharSetID;
572	+	FNullable := src.GetIsNullable;
573	+	FSize := src.GetSize;
574	+	FCodePage := src.GetCodePage;
575	+	end;
576	+
577	+	function TSQLParamMetaData.GetSQLType: cardinal;
578	+	begin
579	+	Result := FSQLType;
580	+	end;
581	+
582	+	function TSQLParamMetaData.GetSQLTypeName: AnsiString;
583	+	begin
584	+	Result := TSQLDataItem.GetSQLTypeName(FSQLType);
585	+	end;
586	+
587	+	function TSQLParamMetaData.getSubtype: integer;
588	+	begin
589	+	Result := FSQLSubType;
590	+	end;
591	+
592	+	function TSQLParamMetaData.getScale: integer;
593	+	begin
594	+	Result := FScale;
595	+	end;
596	+
597	+	function TSQLParamMetaData.getCharSetID: cardinal;
598	+	begin
599	+	Result := FCharSetID;
600	+	end;
601	+
602	+	function TSQLParamMetaData.getCodePage: TSystemCodePage;
603	+	begin
604	+	Result :=  FCodePage;
605	+	end;
606	+
607	+	function TSQLParamMetaData.getIsNullable: boolean;
608	+	begin
609	+	Result :=  FNullable;
610	+	end;
611	+
612	+	function TSQLParamMetaData.GetSize: cardinal;
613	+	begin
614	+	Result := FSize;
615	+	end;
616	+
617		{ TSQLDataArea }
618
619		function TSQLDataArea.GetColumn(index: integer): TSQLVarData;
#	Line 605 | Line 760 | begin
760		FName := AValue;
761		end;
762
763	+	procedure TSQLVarData.SetMetaSize(aValue: cardinal);
764	+	begin
765	+	//Ignore
766	+	end;
767	+
768	+	procedure TSQLVarData.SaveMetaData;
769	+	begin
770	+	FColMetaData := TSQLParamMetaData.Create(self);
771	+	end;
772	+
773	+	procedure TSQLVarData.SetArray(AValue: IArray);
774	+	begin
775	+	FArrayIntf := AValue;
776	+	end;
777	+
778		constructor TSQLVarData.Create(aParent: TSQLDataArea; aIndex: integer);
779		begin
780		inherited Create;
#	Line 621 | Line 791 | begin
791		a zero byte when the string is empty, neatly avoiding a nil pointer error.}
792
793		FVarString := aValue;
794	<	SQLType := SQL_TEXT;
794	>	if SQLType = SQL_BLOB then
795	>	SetMetaSize(GetAttachment.GetInlineBlobLimit);
796	>	SQLType := GetDefaultTextSQLType;
797		Scale := 0;
798		SetSQLData(PByte(PAnsiChar(FVarString)),Length(aValue));
799		end;
#	Line 633 | Line 805 | end;
805
806		procedure TSQLVarData.RowChange;
807		begin
808	+	FArrayIntf := nil;
809		FModified := false;
810		FVarString := '';
811		end;
812
813	+	function TSQLVarData.getColMetadata: IParamMetaData;
814	+	begin
815	+	Result := FColMetaData;
816	+	end;
817	+
818		procedure TSQLVarData.Initialize;
819
820		function FindVarByName(idx: AnsiString; limit: integer): TSQLVarData;
#	Line 737 | Line 915 | begin
915		result := Val;
916		end;
917
918	+	function TSQLDataItem.AdjustScaleToStr(Value: Int64; aScale: Integer
919	+	): AnsiString;
920	+	var Scaling : AnsiString;
921	+	i: Integer;
922	+	begin
923	+	Result := IntToStr(Value);
924	+	Scaling := '';
925	+	if aScale > 0 then
926	+	begin
927	+	for i := 1 to aScale do
928	+	Result := Result + '0';
929	+	end
930	+	else
931	+	if aScale < 0 then
932	+	{$IF declared(DefaultFormatSettings)}
933	+	with DefaultFormatSettings do
934	+	{$ELSE}
935	+	{$IF declared(FormatSettings)}
936	+	with FormatSettings do
937	+	{$IFEND}
938	+	{$IFEND}
939	+	begin
940	+	if Length(Result) > -aScale then
941	+	system.Insert(DecimalSeparator,Result,Length(Result) + aScale)
942	+	else
943	+	begin
944	+	Scaling := '0' + DecimalSeparator;
945	+	for i := -1 downto aScale + Length(Result) do
946	+	Scaling := Scaling + '0';
947	+	Result := Scaling + Result;
948	+	end;
949	+	end;
950	+	end;
951	+
952		function TSQLDataItem.AdjustScaleToCurrency(Value: Int64; aScale: Integer
953		): Currency;
954		var
#	Line 812 | Line 1024 | begin
1024		with FormatSettings do
1025		{$IFEND}
1026		{$IFEND}
1027	<	Result := LongTimeFormat;
1027	>	Result := 'hh' + TimeSeparator + 'nn' + TimeSeparator + 'ss' + '.zzzz';;
1028		end;
1029
1030		function TSQLDataItem.GetTimestampFormatStr: AnsiString;
#	Line 824 | Line 1036 | begin
1036		with FormatSettings do
1037		{$IFEND}
1038		{$IFEND}
1039	<	Result := ShortDateFormat + ' ' +  LongTimeFormat + '.zzz';
1039	>	Result := ShortDateFormat + ' ' +  'hh' + TimeSeparator + 'nn' + TimeSeparator + 'ss' + '.zzzz';
1040		end;
1041
1042		procedure TSQLDataItem.SetAsInteger(AValue: Integer);
#	Line 832 | Line 1044 | begin
1044		SetAsLong(aValue);
1045		end;
1046
1047	+	procedure TSQLDataItem.InternalGetAsDateTime(var aDateTime: TDateTime;
1048	+	var dstOffset: smallint; var aTimezone: AnsiString;
1049	+	var aTimeZoneID: TFBTimeZoneID);
1050	+	begin
1051	+	CheckActive;
1052	+	aDateTime := 0;
1053	+	dstOffset := 0;
1054	+	aTimezone := '';
1055	+	aTimeZoneID := TimeZoneID_GMT;
1056	+	if not IsNull then
1057	+	with FFirebirdClientAPI do
1058	+	case SQLType of
1059	+	SQL_TEXT, SQL_VARYING:
1060	+	if not ParseDateTimeTZString(AsString,aDateTime,aTimeZone) then
1061	+	IBError(ibxeInvalidDataConversion, [nil]);
1062	+	SQL_TYPE_DATE:
1063	+	aDateTime := SQLDecodeDate(SQLData);
1064	+	SQL_TYPE_TIME:
1065	+	aDateTime := SQLDecodeTime(SQLData);
1066	+	SQL_TIMESTAMP:
1067	+	aDateTime := SQLDecodeDateTime(SQLData);
1068	+	SQL_TIMESTAMP_TZ:
1069	+	begin
1070	+	GetTimeZoneServices.DecodeTimestampTZ(SQLData,aDateTime,dstOffset,aTimeZone);
1071	+	aTimeZoneID := PISC_TIMESTAMP_TZ(SQLData)^.time_zone;
1072	+	end;
1073	+	SQL_TIMESTAMP_TZ_EX:
1074	+	begin
1075	+	GetTimeZoneServices.DecodeTimestampTZEx(SQLData,aDateTime,dstOffset,aTimeZone);
1076	+	aTimeZoneID := PISC_TIMESTAMP_TZ_EX(SQLData)^.time_zone;
1077	+	end;
1078	+	SQL_TIME_TZ:
1079	+	with GetTimeZoneServices do
1080	+	begin
1081	+	DecodeTimeTZ(SQLData,GetTimeTZDate,aDateTime,dstOffset,aTimeZone);
1082	+	aTimeZoneID := PISC_TIME_TZ(SQLData)^.time_zone;
1083	+	end;
1084	+	SQL_TIME_TZ_EX:
1085	+	with GetTimeZoneServices do
1086	+	begin
1087	+	DecodeTimeTZEx(SQLData,GetTimeTZDate,aDateTime,dstOffset,aTimeZone);
1088	+	aTimeZoneID := PISC_TIME_TZ_EX(SQLData)^.time_zone;
1089	+	end;
1090	+	else
1091	+	IBError(ibxeInvalidDataConversion, [nil]);
1092	+	end;
1093	+	end;
1094	+
1095		function TSQLDataItem.AdjustScaleFromCurrency(Value: Currency; aScale: Integer
1096		): Int64;
1097		var
#	Line 880 | Line 1140 | begin
1140		end
1141		else
1142		result := trunc(Value);
1143	+	//  writeln('Adjusted ',Value,' to ',Result);
1144		end;
1145
1146		procedure TSQLDataItem.CheckActive;
#	Line 887 | Line 1148 | begin
1148		//Do nothing by default
1149		end;
1150
1151	+	procedure TSQLDataItem.CheckTZSupport;
1152	+	begin
1153	+	if not FFirebirdClientAPI.HasTimeZoneSupport then
1154	+	IBError(ibxeNoTimezoneSupport,[]);
1155	+	end;
1156	+
1157	+	function TSQLDataItem.GetTimeZoneServices: IExTimeZoneServices;
1158	+	begin
1159	+	if FTimeZoneServices = nil then
1160	+	begin
1161	+	if not GetAttachment.HasTimeZoneSupport then
1162	+	IBError(ibxeNoTimezoneSupport,[]);
1163	+	GetAttachment.GetTimeZoneServices.QueryInterface(IExTimeZoneServices,FTimeZoneServices);
1164	+	end;
1165	+	Result := FTimeZoneServices;
1166	+	end;
1167	+
1168		procedure TSQLDataItem.Changed;
1169		begin
1170		//Do nothing by default
#	Line 936 | Line 1214 | begin
1214		Result := GetSQLTypeName(GetSQLType);
1215		end;
1216
1217	<	class function TSQLDataItem.GetSQLTypeName(SQLType: short): AnsiString;
1217	>	class function TSQLDataItem.GetSQLTypeName(SQLType: cardinal): AnsiString;
1218		begin
1219		Result := 'Unknown';
1220		case SQLType of
#	Line 947 | Line 1225 | begin
1225		SQL_LONG:             Result := 'SQL_LONG';
1226		SQL_SHORT:            Result := 'SQL_SHORT';
1227		SQL_TIMESTAMP:        Result := 'SQL_TIMESTAMP';
1228	+	SQL_TIMESTAMP_TZ:     Result := 'SQL_TIMESTAMP_TZ';
1229	+	SQL_TIMESTAMP_TZ_EX:  Result := 'SQL_TIMESTAMP_TZ_EX';
1230		SQL_BLOB:             Result := 'SQL_BLOB';
1231		SQL_D_FLOAT:          Result := 'SQL_D_FLOAT';
1232		SQL_ARRAY:            Result := 'SQL_ARRAY';
#	Line 954 | Line 1234 | begin
1234		SQL_TYPE_TIME:        Result := 'SQL_TYPE_TIME';
1235		SQL_TYPE_DATE:        Result := 'SQL_TYPE_DATE';
1236		SQL_INT64:            Result := 'SQL_INT64';
1237	+	SQL_TIME_TZ:          Result := 'SQL_TIME_TZ';
1238	+	SQL_TIME_TZ_EX:       Result := 'SQL_TIME_TZ_EX';
1239	+	SQL_DEC_FIXED:        Result := 'SQL_DEC_FIXED';
1240	+	SQL_DEC16:            Result := 'SQL_DEC16';
1241	+	SQL_DEC34:            Result := 'SQL_DEC34';
1242	+	SQL_INT128:           Result := 'SQL_INT128';
1243	+	SQL_NULL:             Result := 'SQL_NULL';
1244	+	SQL_BOOLEAN:          Result := 'SQL_BOOLEAN';
1245		end;
1246		end;
1247
#	Line 1005 | Line 1293 | begin
1293		result := AdjustScaleToCurrency(PInt64(SQLData)^,
1294		Scale);
1295		SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
1296	<	result := Trunc(AsDouble);
1296	>	result := Round(AsDouble);
1297	>
1298	>	SQL_DEC_FIXED,
1299	>	SQL_DEC16,
1300	>	SQL_DEC34,
1301	>	SQL_INT128:
1302	>	if not BCDToCurr(GetAsBCD,Result) then
1303	>	IBError(ibxeInvalidDataConversion, [nil]);
1304	>
1305		else
1306		IBError(ibxeInvalidDataConversion, [nil]);
1307		end;
#	Line 1035 | Line 1331 | begin
1331		result := AdjustScaleToInt64(PInt64(SQLData)^,
1332		Scale);
1333		SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
1334	<	result := Trunc(AsDouble);
1334	>	result := Round(AsDouble);
1335		else
1336		IBError(ibxeInvalidDataConversion, [nil]);
1337		end;
1338		end;
1339
1340		function TSQLDataItem.GetAsDateTime: TDateTime;
1341	+	var aTimezone: AnsiString;
1342	+	aTimeZoneID: TFBTimeZoneID;
1343	+	dstOffset: smallint;
1344	+	begin
1345	+	InternalGetAsDateTime(Result,dstOffset,aTimeZone,aTimeZoneID);
1346	+	end;
1347	+
1348	+	procedure TSQLDataItem.GetAsDateTime(var aDateTime: TDateTime;
1349	+	var dstOffset: smallint; var aTimezone: AnsiString);
1350	+	var aTimeZoneID: TFBTimeZoneID;
1351	+	begin
1352	+	InternalGetAsDateTime(aDateTime,dstOffset,aTimeZone,aTimeZoneID);
1353	+	end;
1354	+
1355	+	procedure TSQLDataItem.GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint;
1356	+	var aTimezoneID: TFBTimeZoneID);
1357	+	var aTimezone: AnsiString;
1358	+	begin
1359	+	InternalGetAsDateTime(aDateTime,dstOffset,aTimeZone,aTimeZoneID);
1360	+	end;
1361	+
1362	+	procedure TSQLDataItem.GetAsTime(var aTime: TDateTime; var dstOffset: smallint;
1363	+	var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime);
1364	+	var aTimeZone: AnsiString;
1365		begin
1366		CheckActive;
1367	<	result := 0;
1367	>	aTime := 0;
1368	>	dstOffset := 0;
1369		if not IsNull then
1370		with FFirebirdClientAPI do
1371		case SQLType of
1372	<	SQL_TEXT, SQL_VARYING: begin
1373	<	try
1374	<	result := StrToDate(AsString);
1375	<	except
1376	<	on E: EConvertError do IBError(ibxeInvalidDataConversion, [nil]);
1372	>	SQL_TIME_TZ:
1373	>	begin
1374	>	GetTimeZoneServices.DecodeTimeTZ(SQLData,OnDate,aTime,dstOffset,aTimeZone);
1375	>	aTimeZoneID := PISC_TIME_TZ(SQLData)^.time_zone;
1376	>	end;
1377	>	SQL_TIME_TZ_EX:
1378	>	begin
1379	>	GetTimeZoneServices.DecodeTimeTZEx(SQLData,OnDate,aTime,dstOffset,aTimeZone);
1380	>	aTimeZoneID := PISC_TIME_TZ_EX(SQLData)^.time_zone;
1381		end;
1382	+	else
1383	+	IBError(ibxeInvalidDataConversion, [nil]);
1384	+	end;
1385	+	end;
1386	+
1387	+	procedure TSQLDataItem.GetAsTime(var aTime: TDateTime; var dstOffset: smallint;
1388	+	var aTimezone: AnsiString; OnDate: TDateTime);
1389	+	begin
1390	+	CheckActive;
1391	+	aTime := 0;
1392	+	dstOffset := 0;
1393	+	if not IsNull then
1394	+	with FFirebirdClientAPI do
1395	+	case SQLType of
1396	+	SQL_TIME_TZ:
1397	+	GetTimeZoneServices.DecodeTimeTZ(SQLData,OnDate,aTime,dstOffset,aTimeZone);
1398	+	SQL_TIME_TZ_EX:
1399	+	GetTimeZoneServices.DecodeTimeTZEx(SQLData,OnDate,aTime,dstOffset,aTimeZone);
1400	+	else
1401	+	IBError(ibxeInvalidDataConversion, [nil]);
1402	+	end;
1403	+	end;
1404	+
1405	+	procedure TSQLDataItem.GetAsTime(var aTime: TDateTime; var dstOffset: smallint;
1406	+	var aTimezoneID: TFBTimeZoneID);
1407	+	begin
1408	+	GetAsTime(aTime,dstOffset,aTimeZoneID,GetTimeZoneServices.GetTimeTZDate);
1409	+	end;
1410	+
1411	+	procedure TSQLDataItem.GetAsTime(var aTime: TDateTime; var dstOffset: smallint;
1412	+	var aTimezone: AnsiString);
1413	+	begin
1414	+	GetAsTime(aTime,dstOffset,aTimeZone,GetTimeZoneServices.GetTimeTZDate);
1415	+	end;
1416	+
1417	+	function TSQLDataItem.GetAsUTCDateTime: TDateTime;
1418	+	var aTimezone: AnsiString;
1419	+	begin
1420	+	CheckActive;
1421	+	result := 0;
1422	+	aTimezone := '';
1423	+	if not IsNull then
1424	+	with FFirebirdClientAPI do
1425	+	case SQLType of
1426	+	SQL_TEXT, SQL_VARYING:
1427	+	begin
1428	+	if not ParseDateTimeTZString(AsString,Result,aTimeZone) then
1429	+	IBError(ibxeInvalidDataConversion, [nil]);
1430	+	Result := GetTimeZoneServices.LocalTimeToGMT(Result,aTimeZone);
1431		end;
1432		SQL_TYPE_DATE:
1433		result := SQLDecodeDate(SQLData);
1434	<	SQL_TYPE_TIME:
1434	>	SQL_TYPE_TIME,
1435	>	SQL_TIME_TZ,
1436	>	SQL_TIME_TZ_EX:
1437		result := SQLDecodeTime(SQLData);
1438	<	SQL_TIMESTAMP:
1438	>	SQL_TIMESTAMP,
1439	>	SQL_TIMESTAMP_TZ,
1440	>	SQL_TIMESTAMP_TZ_EX:
1441		result := SQLDecodeDateTime(SQLData);
1442		else
1443		IBError(ibxeInvalidDataConversion, [nil]);
1444	<	end;
1444	>	end;
1445		end;
1446
1447		function TSQLDataItem.GetAsDouble: Double;
#	Line 1091 | Line 1469 | begin
1469		result := PFloat(SQLData)^;
1470		SQL_DOUBLE, SQL_D_FLOAT:
1471		result := PDouble(SQLData)^;
1472	+	SQL_DEC_FIXED,
1473	+	SQL_DEC16,
1474	+	SQL_DEC34,
1475	+	SQL_INT128:
1476	+	Result := BCDToDouble(GetAsBCD);
1477		else
1478		IBError(ibxeInvalidDataConversion, [nil]);
1479		end;
#	Line 1127 | Line 1510 | begin
1510		end;
1511		end;
1512		SQL_SHORT:
1513	<	result := Trunc(AdjustScale(Int64(PShort(SQLData)^),
1513	>	result := Round(AdjustScale(Int64(PShort(SQLData)^),
1514		Scale));
1515		SQL_LONG:
1516	<	result := Trunc(AdjustScale(Int64(PLong(SQLData)^),
1516	>	result := Round(AdjustScale(Int64(PLong(SQLData)^),
1517		Scale));
1518		SQL_INT64:
1519	<	result := Trunc(AdjustScale(PInt64(SQLData)^, Scale));
1519	>	result := Round(AdjustScale(PInt64(SQLData)^, Scale));
1520		SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
1521	<	result := Trunc(AsDouble);
1521	>	result := Round(AsDouble);
1522	>	SQL_DEC_FIXED,
1523	>	SQL_DEC16,
1524	>	SQL_DEC34,
1525	>	SQL_INT128:
1526	>	Result := BCDToInteger(GetAsBCD);
1527		else
1528	<	IBError(ibxeInvalidDataConversion, [nil]);
1528	>	IBError(ibxeInvalidDataConversion, [GetSQLTypeName]);
1529		end;
1530		end;
1531
#	Line 1178 | Line 1566 | end;
1566		{Copied from LazUTF8}
1567
1568		function UTF8CodepointSizeFull(p: PAnsiChar): integer;
1569	<	const TopBitSetMask   = $8000; {%10000000}
1570	<	Top2BitsSetMask = $C000; {%11000000}
1571	<	Top3BitsSetMask = $E000; {%11100000}
1572	<	Top4BitsSetMask = $F000; {%11110000}
1573	<	Top5BitsSetMask = $F800; {%11111000}
1569	>	const TopBitSetMask   = $80; {%10000000}
1570	>	Top2BitsSetMask = $C0; {%11000000}
1571	>	Top3BitsSetMask = $E0; {%11100000}
1572	>	Top4BitsSetMask = $F0; {%11110000}
1573	>	Top5BitsSetMask = $F8; {%11111000}
1574		begin
1575		case p^ of
1576		#0..#191: // %11000000
#	Line 1222 | Line 1610 | end;
1610
1611		{Returns the byte length of a UTF8 string with a fixed charwidth}
1612
1613	<	function GetStrLen(p: PAnsiChar; CharWidth, MaxDataLength: cardinal): integer;
1613	>	function GetStrLen(p: PAnsiChar; FieldWidth, MaxDataLength: cardinal): integer;
1614		var i: integer;
1615		cplen: integer;
1616		begin
1617		Result := 0;
1618	<	for i := 1 to CharWidth do
1618	>	for i := 1 to FieldWidth do
1619		begin
1620		cplen := UTF8CodepointSizeFull(p);
1621		Inc(p,cplen);
#	Line 1245 | Line 1633 | var
1633		sz: PByte;
1634		str_len: Integer;
1635		rs: RawByteString;
1636	+	aTimeZone: AnsiString;
1637	+	aDateTime: TDateTime;
1638	+	dstOffset: smallint;
1639		begin
1640		CheckActive;
1641		result := '';
#	Line 1264 | Line 1655 | begin
1655		if (SQLType = SQL_TEXT) then
1656		begin
1657		if GetCodePage = cp_utf8 then
1658	<	str_len := GetStrLen(PAnsiChar(sz),GetSize,DataLength)
1658	>	str_len := GetStrLen(PAnsiChar(sz),GetSize div GetCharSetWidth,DataLength)
1659		else
1660		str_len := DataLength
1661		end
#	Line 1276 | Line 1667 | begin
1667		SetCodePage(rs,GetCodePage,false);
1668		Result := rs;
1669		end;
1670	+
1671		SQL_TYPE_DATE:
1672	<	result := FormatDateTime(GetDateFormatStr(TimeOf(AsDateTime)<>0),AsDateTime);
1281	<	SQL_TYPE_TIME :
1282	<	result := FormatDateTime(GetTimeFormatStr,AsDateTime);
1672	>	Result := DateToStr(GetAsDateTime);
1673		SQL_TIMESTAMP:
1674	<	result := FormatDateTime(GetTimestampFormatStr,AsDateTime);
1674	>	Result := FBFormatDateTime(GetTimestampFormatStr,GetAsDateTime);
1675	>	SQL_TYPE_TIME:
1676	>	Result := FBFormatDateTime(GetTimeFormatStr,GetAsDateTime);
1677	>	SQL_TIMESTAMP_TZ,
1678	>	SQL_TIMESTAMP_TZ_EX:
1679	>	with GetAttachment.GetTimeZoneServices do
1680	>	begin
1681	>	if GetTZTextOption = tzGMT then
1682	>	Result := FBFormatDateTime(GetTimestampFormatStr,GetAsUTCDateTime)
1683	>	else
1684	>	begin
1685	>	GetAsDateTime(aDateTime,dstOffset,aTimeZone);
1686	>	if GetTZTextOption = tzOffset then
1687	>	Result := FBFormatDateTime(GetTimestampFormatStr,aDateTime) + ' ' + FormatTimeZoneOffset(dstOffset)
1688	>	else
1689	>	Result := FBFormatDateTime(GetTimestampFormatStr,aDateTime) + ' ' + aTimeZone;
1690	>	end;
1691	>	end;
1692	>	SQL_TIME_TZ,
1693	>	SQL_TIME_TZ_EX:
1694	>	with GetAttachment.GetTimeZoneServices do
1695	>	begin
1696	>	if GetTZTextOption = tzGMT then
1697	>	Result := FBFormatDateTime(GetTimeFormatStr,GetAsUTCDateTime)
1698	>	else
1699	>	begin
1700	>	GetAsTime(aDateTime,dstOffset,aTimeZone,GetTimeTZDate);
1701	>	if GetTZTextOption = tzOffset then
1702	>	Result := FBFormatDateTime(GetTimeFormatStr,aDateTime) + ' ' + FormatTimeZoneOffset(dstOffset)
1703	>	else
1704	>	Result := FBFormatDateTime(GetTimeFormatStr,aDateTime) + ' ' + aTimeZone;
1705	>	end;
1706	>	end;
1707	>
1708		SQL_SHORT, SQL_LONG:
1709		if Scale = 0 then
1710		result := IntToStr(AsLong)
#	Line 1298 | Line 1721 | begin
1721		result := FloatToStr(AsDouble);
1722		SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
1723		result := FloatToStr(AsDouble);
1724	+
1725	+	SQL_DEC16,
1726	+	SQL_DEC34:
1727	+	result := BCDToStr(GetAsBCD);
1728	+
1729	+	SQL_DEC_FIXED,
1730	+	SQL_INT128:
1731	+	result := Int128ToStr(SQLData,scale);
1732	+
1733		else
1734		IBError(ibxeInvalidDataConversion, [nil]);
1735		end;
#	Line 1316 | Line 1748 | begin
1748		end;
1749
1750		function TSQLDataItem.GetAsVariant: Variant;
1751	+	var ts: TDateTime;
1752	+	dstOffset: smallint;
1753	+	timezone: AnsiString;
1754		begin
1755		CheckActive;
1756		if IsNull then
#	Line 1329 | Line 1764 | begin
1764		result := AsString;
1765		SQL_TIMESTAMP, SQL_TYPE_DATE, SQL_TYPE_TIME:
1766		result := AsDateTime;
1767	+	SQL_TIMESTAMP_TZ,
1768	+	SQL_TIME_TZ,
1769	+	SQL_TIMESTAMP_TZ_EX,
1770	+	SQL_TIME_TZ_EX:
1771	+	begin
1772	+	GetAsDateTime(ts,dstOffset,timezone);
1773	+	result := VarArrayOf([ts,dstOffset,timezone]);
1774	+	end;
1775		SQL_SHORT, SQL_LONG:
1776		if Scale = 0 then
1777		result := AsLong
#	Line 1347 | Line 1790 | begin
1790		result := AsDouble;
1791		SQL_BOOLEAN:
1792		result := AsBoolean;
1793	+	SQL_DEC_FIXED,
1794	+	SQL_DEC16,
1795	+	SQL_DEC34,
1796	+	SQL_INT128:
1797	+	result := VarFmtBCDCreate(GetAsBcd);
1798		else
1799		IBError(ibxeInvalidDataConversion, [nil]);
1800		end;
#	Line 1367 | Line 1815 | begin
1815		Result := Length(GetDateFormatStr(true));
1816		dfTime:
1817		Result := Length(GetTimeFormatStr);
1818	+	dfTimestampTZ:
1819	+	Result := Length(GetTimestampFormatStr) + 6; {assume time offset format}
1820	+	dfTimeTZ:
1821	+	Result := Length(GetTimeFormatStr)+ 6;
1822		else
1823		Result := 0;
1824	+	end;end;
1825	+
1826	+	function TSQLDataItem.GetAsBCD: tBCD;
1827	+
1828	+	begin
1829	+	CheckActive;
1830	+	if IsNull then
1831	+	with Result do
1832	+	begin
1833	+	FillChar(Result,sizeof(Result),0);
1834	+	Precision := 1;
1835	+	exit;
1836	+	end;
1837	+
1838	+	case SQLType of
1839	+	SQL_DEC16,
1840	+	SQL_DEC34:
1841	+	with FFirebirdClientAPI do
1842	+	Result := SQLDecFloatDecode(SQLType,  SQLData);
1843	+
1844	+	SQL_DEC_FIXED,
1845	+	SQL_INT128:
1846	+	with FFirebirdClientAPI do
1847	+	Result := StrToBCD(Int128ToStr(SQLData,scale));
1848	+	else
1849	+	if not CurrToBCD(GetAsCurrency,Result) then
1850	+	IBError(ibxeBadBCDConversion,[]);
1851		end;
1852		end;
1853
#	Line 1460 | Line 1939 | begin
1939		Changed;
1940		end;
1941
1942	+	procedure TSQLDataItem.SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID);
1943	+	begin
1944	+	CheckActive;
1945	+	CheckTZSupport;
1946	+	if GetSQLDialect < 3 then
1947	+	begin
1948	+	AsDateTime := aValue;
1949	+	exit;
1950	+	end;
1951	+
1952	+	Changing;
1953	+	if IsNullable then
1954	+	IsNull := False;
1955	+
1956	+	SQLType := SQL_TIME_TZ;
1957	+	DataLength := SizeOf(ISC_TIME_TZ);
1958	+	GetTimeZoneServices.EncodeTimeTZ(aValue, aTimeZoneID,OnDate,SQLData);
1959	+	Changed;
1960	+	end;
1961	+
1962	+	procedure TSQLDataItem.SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString);
1963	+	begin
1964	+	CheckActive;
1965	+	CheckTZSupport;
1966	+	if GetSQLDialect < 3 then
1967	+	begin
1968	+	AsDateTime := aValue;
1969	+	exit;
1970	+	end;
1971	+
1972	+	Changing;
1973	+	if IsNullable then
1974	+	IsNull := False;
1975	+
1976	+	SQLType := SQL_TIME_TZ;
1977	+	DataLength := SizeOf(ISC_TIME_TZ);
1978	+	GetTimeZoneServices.EncodeTimeTZ(aValue, aTimeZone,OnDate,SQLData);
1979	+	Changed;
1980	+	end;
1981	+
1982		procedure TSQLDataItem.SetAsDateTime(Value: TDateTime);
1983		begin
1984		CheckActive;
#	Line 1474 | Line 1993 | begin
1993		Changed;
1994		end;
1995
1996	+	procedure TSQLDataItem.SetAsDateTime(aValue: TDateTime;
1997	+	aTimeZoneID: TFBTimeZoneID);
1998	+	begin
1999	+	CheckActive;
2000	+	CheckTZSupport;
2001	+	if IsNullable then
2002	+	IsNull := False;
2003	+
2004	+	Changing;
2005	+	SQLType := SQL_TIMESTAMP_TZ;
2006	+	DataLength := SizeOf(ISC_TIMESTAMP_TZ);
2007	+	GetTimeZoneServices.EncodeTimestampTZ(aValue,aTimeZoneID,SQLData);
2008	+	Changed;
2009	+	end;
2010	+
2011	+	procedure TSQLDataItem.SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString
2012	+	);
2013	+	begin
2014	+	CheckActive;
2015	+	CheckTZSupport;
2016	+	if IsNullable then
2017	+	IsNull := False;
2018	+
2019	+	Changing;
2020	+	SQLType := SQL_TIMESTAMP_TZ;
2021	+	DataLength := SizeOf(ISC_TIMESTAMP_TZ);
2022	+	GetTimeZoneServices.EncodeTimestampTZ(aValue,aTimeZone,SQLData);
2023	+	Changed;
2024	+	end;
2025	+
2026	+	procedure TSQLDataItem.SetAsUTCDateTime(aUTCTime: TDateTime);
2027	+	begin
2028	+	SetAsDateTime(aUTCTime,TimeZoneID_GMT);
2029	+	end;
2030	+
2031		procedure TSQLDataItem.SetAsDouble(Value: Double);
2032		begin
2033		CheckActive;
#	Line 1569 | Line 2123 | begin
2123		CheckActive;
2124		if VarIsNull(Value) then
2125		IsNull := True
2126	+	else
2127	+	if VarIsArray(Value) then {must be datetime plus timezone}
2128	+	SetAsDateTime(Value[0],AnsiString(Value[1]))
2129		else case VarType(Value) of
2130		varEmpty, varNull:
2131		IsNull := True;
#	Line 1591 | Line 2148 | begin
2148		IBError(ibxeNotSupported, [nil]);
2149		varByRef, varDispatch, varError, varUnknown, varVariant:
2150		IBError(ibxeNotPermitted, [nil]);
2151	+	else
2152	+	if VarIsFmtBCD(Value) then
2153	+	SetAsBCD(VarToBCD(Value))
2154	+	else
2155	+	IBError(ibxeNotSupported, [nil]);
2156		end;
2157		end;
2158
#	Line 1608 | Line 2170 | begin
2170		Changed;
2171		end;
2172
2173	+	procedure TSQLDataItem.SetAsBcd(aValue: tBCD);
2174	+	begin
2175	+	CheckActive;
2176	+	Changing;
2177	+	if IsNullable then
2178	+	IsNull := False;
2179	+
2180	+
2181	+	with FFirebirdClientAPI do
2182	+	if aValue.Precision <= 16 then
2183	+	begin
2184	+	if not HasDecFloatSupport then
2185	+	IBError(ibxeDecFloatNotSupported,[]);
2186	+
2187	+	SQLType := SQL_DEC16;
2188	+	DataLength := 8;
2189	+	SQLDecFloatEncode(aValue,SQLType,SQLData);
2190	+	end
2191	+	else
2192	+	if aValue.Precision <= 34 then
2193	+	begin
2194	+	if not HasDecFloatSupport then
2195	+	IBError(ibxeDecFloatNotSupported,[]);
2196	+
2197	+	SQLType := SQL_DEC34;
2198	+	DataLength := 16;
2199	+	SQLDecFloatEncode(aValue,SQLType,SQLData);
2200	+	end
2201	+	else
2202	+	if aValue.Precision <= 38 then
2203	+	begin
2204	+	if not HasInt128Support then
2205	+	IBError(ibxeInt128NotSupported,[]);
2206	+
2207	+	SQLType := SQL_INT128;
2208	+	DataLength := 16;
2209	+	StrToInt128(scale,BcdToStr(aValue),SQLData);
2210	+	end
2211	+	else
2212	+	IBError(ibxeBCDOverflow,[BCDToStr(aValue)]);
2213	+
2214	+	Changed;
2215	+	end;
2216	+
2217		procedure TSQLDataItem.SetAsBoolean(AValue: boolean);
2218		begin
2219		CheckActive;
#	Line 1638 | Line 2244 | begin
2244		IBError(ibxeStatementNotPrepared, [nil]);
2245		end;
2246
2247	+	function TColumnMetaData.GetAttachment: IAttachment;
2248	+	begin
2249	+	Result := GetStatement.GetAttachment;
2250	+	end;
2251	+
2252		function TColumnMetaData.SQLData: PByte;
2253		begin
2254		Result := FIBXSQLVAR.SQLData;
#	Line 1742 | Line 2353 | end;
2353		function TColumnMetaData.GetSize: cardinal;
2354		begin
2355		CheckActive;
2356	<	result := FIBXSQLVAR.DataLength;
2356	>	result := FIBXSQLVAR.GetSize;
2357	>	end;
2358	>
2359	>	function TColumnMetaData.GetCharSetWidth: integer;
2360	>	begin
2361	>	CheckActive;
2362	>	result := FIBXSQLVAR.GetCharSetWidth;
2363		end;
2364
2365		function TColumnMetaData.GetArrayMetaData: IArrayMetaData;
#	Line 1803 | Line 2420 | end;
2420		function TIBSQLData.GetAsArray: IArray;
2421		begin
2422		CheckActive;
2423	<	result := FIBXSQLVAR.GetAsArray(AsQuad);
2423	>	result := FIBXSQLVAR.GetAsArray;
2424		end;
2425
2426		function TIBSQLData.GetAsBlob: IBlob;
#	Line 1847 | Line 2464 | end;
2464
2465		var b: IBlob;
2466		dt: TDateTime;
2467	<	CurrValue: Currency;
2468	<	FloatValue: single;
2467	>	timezone: AnsiString;
2468	>	Int64Value: Int64;
2469	>	BCDValue: TBCD;
2470	>	aScale: integer;
2471		begin
2472		CheckActive;
2473		if IsNullable then
2474		IsNull := False;
2475	<	case SQLTYPE of
2475	>	with FFirebirdClientAPI do
2476	>	case getColMetaData.SQLTYPE of
2477		SQL_BOOLEAN:
2478		if AnsiCompareText(Value,STrue) = 0 then
2479		AsBoolean := true
#	Line 1864 | Line 2484 | begin
2484		IBError(ibxeInvalidDataConversion,[nil]);
2485
2486		SQL_BLOB:
2487	+	if Length(Value) < GetAttachment.GetInlineBlobLimit then
2488	+	DoSetString
2489	+	else
2490		begin
2491		Changing;
2492		b := FIBXSQLVAR.CreateBlob;
#	Line 1876 | Line 2499 | begin
2499		SQL_TEXT:
2500		DoSetString;
2501
2502	<	SQL_SHORT,
2503	<	SQL_LONG,
2504	<	SQL_INT64:
2505	<	if TryStrToCurr(Value,CurrValue) then
2506	<	SetAsNumeric(AdjustScaleFromCurrency(CurrValue,GetScale),GetScale)
2507	<	else
2508	<	DoSetString;
2502	>	SQL_SHORT,
2503	>	SQL_LONG,
2504	>	SQL_INT64:
2505	>	if TryStrToNumeric(Value,Int64Value,aScale) then
2506	>	SetAsNumeric(Int64Value,aScale)
2507	>	else
2508	>	DoSetString;
2509
2510	<	SQL_D_FLOAT,
2511	<	SQL_DOUBLE,
2512	<	SQL_FLOAT:
2513	<	if TryStrToFloat(Value,FloatValue) then
2514	<	SetAsDouble(FloatValue)
2515	<	else
2516	<	DoSetString;
2510	>	SQL_DEC_FIXED,
2511	>	SQL_DEC16,
2512	>	SQL_DEC34,
2513	>	SQL_INT128:
2514	>	if TryStrToBCD(Value,BCDValue) then
2515	>	SetAsBCD(BCDValue)
2516	>	else
2517	>	DoSetString;
2518	>
2519	>	SQL_D_FLOAT,
2520	>	SQL_DOUBLE,
2521	>	SQL_FLOAT:
2522	>	if TryStrToNumeric(Value,Int64Value,aScale) then
2523	>	SetAsDouble(NumericToDouble(Int64Value,aScale))
2524	>	else
2525	>	DoSetString;
2526
2527	<	SQL_TIMESTAMP:
2527	>	SQL_TIMESTAMP:
2528		if TryStrToDateTime(Value,dt) then
2529		SetAsDateTime(dt)
2530		else
2531		DoSetString;
2532
2533	<	SQL_TYPE_DATE:
2533	>	SQL_TYPE_DATE:
2534		if TryStrToDateTime(Value,dt) then
2535		SetAsDate(dt)
2536		else
2537		DoSetString;
2538
2539	<	SQL_TYPE_TIME:
2539	>	SQL_TYPE_TIME:
2540		if TryStrToDateTime(Value,dt) then
2541		SetAsTime(dt)
2542		else
2543		DoSetString;
2544
2545	<	else
2546	<	IBError(ibxeInvalidDataConversion,[nil]);
2545	>	SQL_TIMESTAMP_TZ,
2546	>	SQL_TIMESTAMP_TZ_EX:
2547	>	if ParseDateTimeTZString(value,dt,timezone) then
2548	>	SetAsDateTime(dt,timezone)
2549	>	else
2550	>	DoSetString;
2551	>
2552	>	SQL_TIME_TZ,
2553	>	SQL_TIME_TZ_EX:
2554	>	if ParseDateTimeTZString(value,dt,timezone,true) then
2555	>	SetAsTime(dt,GetAttachment.GetTimeZoneServices.GetTimeTZDate,timezone)
2556	>	else
2557	>	DoSetString;
2558	>
2559	>	else
2560	>	IBError(ibxeInvalidDataConversion,[GetSQLTypeName(getColMetaData.SQLTYPE)]);
2561		end;
2562		end;
2563
#	Line 1949 | Line 2595 | begin
2595		IsNull := true;
2596		end;
2597
2598	+	function TSQLParam.getColMetadata: IParamMetaData;
2599	+	begin
2600	+	Result := FIBXSQLVAR.getColMetadata;
2601	+	end;
2602	+
2603		function TSQLParam.GetModified: boolean;
2604		begin
2605		CheckActive;
#	Line 1962 | Line 2613 | begin
2613		Result := inherited GetAsPointer;
2614		end;
2615
2616	+	function TSQLParam.GetAsString: AnsiString;
2617	+	var rs: RawByteString;
2618	+	begin
2619	+	Result := '';
2620	+	if (SQLType = SQL_VARYING) and not IsNull then
2621	+	{SQLData points to start of string - default is to length word}
2622	+	begin
2623	+	CheckActive;
2624	+	SetString(rs,PAnsiChar(SQLData),DataLength);
2625	+	SetCodePage(rs,GetCodePage,false);
2626	+	Result := rs;
2627	+	end
2628	+	else
2629	+	Result := inherited GetAsString;
2630	+	end;
2631	+
2632		procedure TSQLParam.SetName(Value: AnsiString);
2633		begin
2634		CheckActive;
#	Line 2007 | Line 2674 | begin
2674		if not FIBXSQLVAR.UniqueName then
2675		IBError(ibxeDuplicateParamName,[FIBXSQLVAR.Name]);
2676
2677	+	FIBXSQLVAR.SetArray(anArray); {save array interface}
2678		SetAsQuad(AnArray.GetArrayID);
2679		end;
2680
#	Line 2153 | Line 2821 | begin
2821		end;
2822		end;
2823
2824	+	procedure TSQLParam.SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID);
2825	+	var i: integer;
2826	+	OldSQLVar: TSQLVarData;
2827	+	begin
2828	+	if FIBXSQLVAR.UniqueName then
2829	+	inherited SetAsTime(AValue,OnDate, aTimeZoneID)
2830	+	else
2831	+	with FIBXSQLVAR.Parent do
2832	+	begin
2833	+	for i := 0 to Count - 1 do
2834	+	if Column[i].Name = Name then
2835	+	begin
2836	+	OldSQLVar := FIBXSQLVAR;
2837	+	FIBXSQLVAR := Column[i];
2838	+	try
2839	+	inherited SetAsTime(AValue,OnDate, aTimeZoneID);
2840	+	finally
2841	+	FIBXSQLVAR := OldSQLVar;
2842	+	end;
2843	+	end;
2844	+	end;
2845	+	end;
2846	+
2847	+	procedure TSQLParam.SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString);
2848	+	var i: integer;
2849	+	OldSQLVar: TSQLVarData;
2850	+	begin
2851	+	if FIBXSQLVAR.UniqueName then
2852	+	inherited SetAsTime(AValue,OnDate,aTimeZone)
2853	+	else
2854	+	with FIBXSQLVAR.Parent do
2855	+	begin
2856	+	for i := 0 to Count - 1 do
2857	+	if Column[i].Name = Name then
2858	+	begin
2859	+	OldSQLVar := FIBXSQLVAR;
2860	+	FIBXSQLVAR := Column[i];
2861	+	try
2862	+	inherited SetAsTime(AValue,OnDate,aTimeZone);
2863	+	finally
2864	+	FIBXSQLVAR := OldSQLVar;
2865	+	end;
2866	+	end;
2867	+	end;
2868	+	end;
2869	+
2870	+	procedure TSQLParam.SetAsTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID);
2871	+	begin
2872	+	SetAsTime(aValue,GetTimeZoneServices.GetTimeTZDate,aTimeZoneID);
2873	+	end;
2874	+
2875	+	procedure TSQLParam.SetAsTime(aValue: TDateTime; aTimeZone: AnsiString);
2876	+	begin
2877	+	SetAsTime(aValue,GetTimeZoneServices.GetTimeTZDate,aTimeZone);
2878	+	end;
2879	+
2880		procedure TSQLParam.SetAsDateTime(AValue: TDateTime);
2881		var i: integer;
2882		OldSQLVar: TSQLVarData;
#	Line 2176 | Line 2900 | begin
2900		end;
2901		end;
2902
2903	+	procedure TSQLParam.SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID
2904	+	);
2905	+	var i: integer;
2906	+	OldSQLVar: TSQLVarData;
2907	+	begin
2908	+	if FIBXSQLVAR.UniqueName then
2909	+	inherited SetAsDateTime(AValue,aTimeZoneID)
2910	+	else
2911	+	with FIBXSQLVAR.Parent do
2912	+	begin
2913	+	for i := 0 to Count - 1 do
2914	+	if Column[i].Name = Name then
2915	+	begin
2916	+	OldSQLVar := FIBXSQLVAR;
2917	+	FIBXSQLVAR := Column[i];
2918	+	try
2919	+	inherited SetAsDateTime(AValue,aTimeZoneID);
2920	+	finally
2921	+	FIBXSQLVAR := OldSQLVar;
2922	+	end;
2923	+	end;
2924	+	end;
2925	+	end;
2926	+
2927	+	procedure TSQLParam.SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString);
2928	+	var i: integer;
2929	+	OldSQLVar: TSQLVarData;
2930	+	begin
2931	+	if FIBXSQLVAR.UniqueName then
2932	+	inherited SetAsDateTime(AValue,aTimeZone)
2933	+	else
2934	+	with FIBXSQLVAR.Parent do
2935	+	begin
2936	+	for i := 0 to Count - 1 do
2937	+	if Column[i].Name = Name then
2938	+	begin
2939	+	OldSQLVar := FIBXSQLVAR;
2940	+	FIBXSQLVAR := Column[i];
2941	+	try
2942	+	inherited SetAsDateTime(AValue,aTimeZone);
2943	+	finally
2944	+	FIBXSQLVAR := OldSQLVar;
2945	+	end;
2946	+	end;
2947	+	end;
2948	+	end;
2949	+
2950		procedure TSQLParam.SetAsDouble(AValue: Double);
2951		var i: integer;
2952		OldSQLVar: TSQLVarData;
#	Line 2356 | Line 3127 | begin
3127		FIBXSQLVAR.SetCharSetID(aValue);
3128		end;
3129
3130	+	procedure TSQLParam.SetAsBcd(aValue: tBCD);
3131	+	var i: integer;
3132	+	OldSQLVar: TSQLVarData;
3133	+	begin
3134	+	if FIBXSQLVAR.UniqueName then
3135	+	inherited SetAsBcd(AValue)
3136	+	else
3137	+	with FIBXSQLVAR.Parent do
3138	+	begin
3139	+	for i := 0 to Count - 1 do
3140	+	if Column[i].Name = Name then
3141	+	begin
3142	+	OldSQLVar := FIBXSQLVAR;
3143	+	FIBXSQLVAR := Column[i];
3144	+	try
3145	+	inherited SetAsBcd(AValue);
3146	+	finally
3147	+	FIBXSQLVAR := OldSQLVar;
3148	+	end;
3149	+	end;
3150	+	end;
3151	+	end;
3152	+
3153		{ TMetaData }
3154
3155		procedure TMetaData.CheckActive;
#	Line 2511 | Line 3305 | begin
3305		if not FResults.CheckStatementStatus(ssPrepared)  then
3306		IBError(ibxeStatementNotPrepared, [nil]);
3307
3308	<	with GetTransaction as TFBTransaction do
3308	>	with GetTransaction do
3309		if not InTransaction or (FResults.TransactionSeqNo <> FTransactionSeqNo) then
3310		IBError(ibxeInterfaceOutofDate,[nil]);
3311		end;

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