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

Comparing:
ibx/trunk/fbintf/client/FBSQLData.pas (file contents), Revision 270 by tony, Fri Jan 18 11:10:37 2019 UTC vs.
ibx/branches/journaling/fbintf/client/FBSQLData.pas (file contents), Revision 362 by tony, Tue Dec 7 13:27:39 2021 UTC

#	Line 80 | Line 80 | unit FBSQLData;
80		interface
81
82		uses
83	<	Classes, SysUtils, IBExternals, IBHeader, 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 137 | 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 151 | 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 210 | 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 228 | 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	+	function GetAttachment: IAttachment; virtual; abstract;
293		function GetSQLType: cardinal; virtual; abstract;
294		function GetSubtype: integer; virtual; abstract;
295		function GetAliasName: AnsiString;  virtual; abstract;
#	Line 239 | Line 298 | type
298		function GetRelationName: AnsiString;  virtual; abstract;
299		function GetScale: integer; virtual; abstract;
300		function GetCharSetID: cardinal; virtual; abstract;
301	+	function GetCharSetWidth: integer; virtual; abstract;
302		function GetCodePage: TSystemCodePage; virtual; abstract;
303		function GetIsNull: Boolean;   virtual; abstract;
304		function GetIsNullable: boolean; virtual; abstract;
305		function GetSQLData: PByte;  virtual; abstract;
306	<	function GetDataLength: cardinal; virtual; abstract;
306	>	function GetDataLength: cardinal; virtual; abstract; {current field length}
307	>	function GetSize: cardinal; virtual; abstract; {field length as given by metadata}
308	>	function GetDefaultTextSQLType: cardinal; virtual; abstract;
309		procedure SetIsNull(Value: Boolean); virtual; abstract;
310		procedure SetIsNullable(Value: Boolean);  virtual; abstract;
311		procedure SetSQLData(AValue: PByte; len: cardinal); virtual; abstract;
#	Line 251 | Line 313 | type
313		procedure SetDataLength(len: cardinal); virtual; abstract;
314		procedure SetSQLType(aValue: cardinal); virtual; abstract;
315		procedure SetCharSetID(aValue: cardinal); virtual; abstract;
316	+	procedure SetMetaSize(aValue: cardinal); virtual;
317		public
318		constructor Create(aParent: TSQLDataArea; aIndex: integer);
319		procedure SetString(aValue: AnsiString);
#	Line 261 | Line 324 | type
324		function CreateBlob: IBlob; virtual; abstract;
325		function GetArrayMetaData: IArrayMetaData; virtual; abstract;
326		function GetBlobMetaData: IBlobMetaData; virtual; abstract;
327	+	function getColMetadata: IParamMetaData;
328		procedure Initialize; virtual;
329	+	procedure SaveMetaData;
330
331		public
332		property AliasName: AnsiString read GetAliasName;
#	Line 292 | Line 357 | type
357		FIBXSQLVAR: TSQLVarData;
358		FOwner: IUnknown;         {Keep reference to ensure Metadata/statement not discarded}
359		FPrepareSeqNo: integer;
295	–	FStatement: IStatement;
360		FChangeSeqNo: integer;
361		protected
362		procedure CheckActive; override;
363	+	function GetAttachment: IAttachment; override;
364		function SQLData: PByte; override;
365		function GetDataLength: cardinal; override;
366		function GetCodePage: TSystemCodePage; override;
#	Line 304 | Line 369 | type
369		constructor Create(aOwner: IUnknown; aIBXSQLVAR: TSQLVarData);
370		destructor Destroy; override;
371		function GetSQLDialect: integer; override;
307	–	property Statement: IStatement read FStatement;
372
373		public
374		{IColumnMetaData}
#	Line 319 | Line 383 | type
383		function GetScale: integer; override;
384		function getCharSetID: cardinal; override;
385		function GetIsNullable: boolean; override;
386	<	function GetSize: cardinal;
386	>	function GetSize: cardinal; override;
387	>	function GetCharSetWidth: integer; override;
388		function GetArrayMetaData: IArrayMetaData;
389		function GetBlobMetaData: IBlobMetaData;
390	+	function GetStatement: IStatement;
391	+	function GetTransaction: ITransaction; virtual;
392		property Name: AnsiString read GetName;
393		property Size: cardinal read GetSize;
394		property CharSetID: cardinal read getCharSetID;
395		property SQLSubtype: integer read getSubtype;
396		property IsNullable: Boolean read GetIsNullable;
397	+	public
398	+	property Statement: IStatement read GetStatement;
399		end;
400
401		{ TIBSQLData }
402
403		TIBSQLData = class(TColumnMetaData,ISQLData)
404	+	private
405	+	FTransaction: ITransaction;
406		protected
407		procedure CheckActive; override;
408		public
409	+	function GetTransaction: ITransaction; override;
410		function GetIsNull: Boolean; override;
411		function GetAsArray: IArray;
412		function GetAsBlob: IBlob; overload;
#	Line 343 | Line 415 | type
415		property AsBlob: IBlob read GetAsBlob;
416		end;
417
418	+	{ TSQLParamMetaData }
419	+
420	+	TSQLParamMetaData = class(TFBInterfacedObject,IParamMetaData)
421	+	private
422	+	FSQLType: cardinal;
423	+	FSQLSubType: integer;
424	+	FScale: integer;
425	+	FCharSetID: cardinal;
426	+	FNullable: boolean;
427	+	FSize: cardinal;
428	+	FCodePage: TSystemCodePage;
429	+	public
430	+	constructor Create(src: TSQLVarData);
431	+	{IParamMetaData}
432	+	function GetSQLType: cardinal;
433	+	function GetSQLTypeName: AnsiString;
434	+	function getSubtype: integer;
435	+	function getScale: integer;
436	+	function getCharSetID: cardinal;
437	+	function getCodePage: TSystemCodePage;
438	+	function getIsNullable: boolean;
439	+	function GetSize: cardinal;
440	+	property SQLType: cardinal read GetSQLType;
441	+	end;
442	+
443		{ TSQLParam }
444
445	<	TSQLParam = class(TIBSQLData,ISQLParam)
445	>	TSQLParam = class(TIBSQLData,ISQLParam,ISQLData)
446		protected
447		procedure CheckActive; override;
448		procedure Changed; override;
#	Line 355 | Line 452 | type
452		procedure SetSQLType(aValue: cardinal); override;
453		public
454		procedure Clear;
455	+	function getColMetadata: IParamMetaData;
456		function GetModified: boolean; override;
457		function GetAsPointer: Pointer;
458	+	function GetAsString: AnsiString; override;
459		procedure SetName(Value: AnsiString); override;
460		procedure SetIsNull(Value: Boolean);  override;
461		procedure SetIsNullable(Value: Boolean); override;
#	Line 368 | Line 467 | type
467		procedure SetAsInt64(AValue: Int64);
468		procedure SetAsDate(AValue: TDateTime);
469		procedure SetAsLong(AValue: Long);
470	<	procedure SetAsTime(AValue: TDateTime);
471	<	procedure SetAsDateTime(AValue: TDateTime);
470	>	procedure SetAsTime(AValue: TDateTime); overload;
471	>	procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
472	>	procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
473	>	procedure SetAsTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
474	>	procedure SetAsTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
475	>	procedure SetAsDateTime(AValue: TDateTime); overload;
476	>	procedure SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
477	>	procedure SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
478		procedure SetAsDouble(AValue: Double);
479		procedure SetAsFloat(AValue: Float);
480		procedure SetAsPointer(AValue: Pointer);
#	Line 379 | Line 484 | type
484		procedure SetAsBlob(aValue: IBlob);
485		procedure SetAsQuad(AValue: TISC_QUAD);
486		procedure SetCharSetID(aValue: cardinal);
487	+	procedure SetAsBcd(aValue: tBCD);
488
489		property AsBlob: IBlob read GetAsBlob write SetAsBlob;
490		property IsNullable: Boolean read GetIsNullable write SetIsNullable;
#	Line 421 | Line 527 | type
527		function getSQLParam(index: integer): ISQLParam;
528		function ByName(Idx: AnsiString): ISQLParam ;
529		function GetModified: Boolean;
530	+	function GetHasCaseSensitiveParams: Boolean;
531		end;
532
533		{ TResults }
#	Line 442 | Line 549 | type
549		function ByName(Idx: AnsiString): ISQLData;
550		function getSQLData(index: integer): ISQLData;
551		procedure GetData(index: integer; var IsNull:boolean; var len: short; var data: PByte);
552	+	function GetStatement: IStatement;
553		function GetTransaction: ITransaction; virtual;
554		procedure SetRetainInterfaces(aValue: boolean);
555		end;
#	Line 450 | Line 558 | implementation
558
559		uses FBMessages, variants, IBUtils, FBTransaction, DateUtils;
560
561	+	{ TSQLParamMetaData }
562	+
563	+	constructor TSQLParamMetaData.Create(src: TSQLVarData);
564	+	begin
565	+	inherited Create;
566	+	FSQLType := src.GetSQLType;
567	+	FSQLSubType := src.getSubtype;
568	+	FScale := src.GetScale;
569	+	FCharSetID := src.getCharSetID;
570	+	FNullable := src.GetIsNullable;
571	+	FSize := src.GetSize;
572	+	FCodePage := src.GetCodePage;
573	+	end;
574	+
575	+	function TSQLParamMetaData.GetSQLType: cardinal;
576	+	begin
577	+	Result := FSQLType;
578	+	end;
579	+
580	+	function TSQLParamMetaData.GetSQLTypeName: AnsiString;
581	+	begin
582	+	Result := TSQLDataItem.GetSQLTypeName(FSQLType);
583	+	end;
584	+
585	+	function TSQLParamMetaData.getSubtype: integer;
586	+	begin
587	+	Result := FSQLSubType;
588	+	end;
589	+
590	+	function TSQLParamMetaData.getScale: integer;
591	+	begin
592	+	Result := FScale;
593	+	end;
594	+
595	+	function TSQLParamMetaData.getCharSetID: cardinal;
596	+	begin
597	+	Result := FCharSetID;
598	+	end;
599	+
600	+	function TSQLParamMetaData.getCodePage: TSystemCodePage;
601	+	begin
602	+	Result :=  FCodePage;
603	+	end;
604	+
605	+	function TSQLParamMetaData.getIsNullable: boolean;
606	+	begin
607	+	Result :=  FNullable;
608	+	end;
609	+
610	+	function TSQLParamMetaData.GetSize: cardinal;
611	+	begin
612	+	Result := FSize;
613	+	end;
614	+
615		{ TSQLDataArea }
616
617		function TSQLDataArea.GetColumn(index: integer): TSQLVarData;
#	Line 596 | Line 758 | begin
758		FName := AValue;
759		end;
760
761	+	procedure TSQLVarData.SetMetaSize(aValue: cardinal);
762	+	begin
763	+	//Ignore
764	+	end;
765	+
766	+	procedure TSQLVarData.SaveMetaData;
767	+	begin
768	+	FColMetaData := TSQLParamMetaData.Create(self);
769	+	end;
770	+
771		constructor TSQLVarData.Create(aParent: TSQLDataArea; aIndex: integer);
772		begin
773		inherited Create;
#	Line 612 | Line 784 | begin
784		a zero byte when the string is empty, neatly avoiding a nil pointer error.}
785
786		FVarString := aValue;
787	<	SQLType := SQL_TEXT;
787	>	if SQLType = SQL_BLOB then
788	>	SetMetaSize(GetAttachment.GetInlineBlobLimit);
789	>	SQLType := GetDefaultTextSQLType;
790		Scale := 0;
791		SetSQLData(PByte(PAnsiChar(FVarString)),Length(aValue));
792		end;
#	Line 628 | Line 802 | begin
802		FVarString := '';
803		end;
804
805	+	function TSQLVarData.getColMetadata: IParamMetaData;
806	+	begin
807	+	Result := FColMetaData;
808	+	end;
809	+
810		procedure TSQLVarData.Initialize;
811
812		function FindVarByName(idx: AnsiString; limit: integer): TSQLVarData;
#	Line 728 | Line 907 | begin
907		result := Val;
908		end;
909
910	+	function TSQLDataItem.AdjustScaleToStr(Value: Int64; aScale: Integer
911	+	): AnsiString;
912	+	var Scaling : AnsiString;
913	+	i: Integer;
914	+	begin
915	+	Result := IntToStr(Value);
916	+	Scaling := '';
917	+	if aScale > 0 then
918	+	begin
919	+	for i := 1 to aScale do
920	+	Result := Result + '0';
921	+	end
922	+	else
923	+	if aScale < 0 then
924	+	{$IF declared(DefaultFormatSettings)}
925	+	with DefaultFormatSettings do
926	+	{$ELSE}
927	+	{$IF declared(FormatSettings)}
928	+	with FormatSettings do
929	+	{$IFEND}
930	+	{$IFEND}
931	+	begin
932	+	if Length(Result) > -aScale then
933	+	system.Insert(DecimalSeparator,Result,Length(Result) + aScale)
934	+	else
935	+	begin
936	+	Scaling := '0' + DecimalSeparator;
937	+	for i := -1 downto aScale + Length(Result) do
938	+	Scaling := Scaling + '0';
939	+	Result := Scaling + Result;
940	+	end;
941	+	end;
942	+	end;
943	+
944		function TSQLDataItem.AdjustScaleToCurrency(Value: Int64; aScale: Integer
945		): Currency;
946		var
#	Line 803 | Line 1016 | begin
1016		with FormatSettings do
1017		{$IFEND}
1018		{$IFEND}
1019	<	Result := LongTimeFormat;
1019	>	Result := 'hh' + TimeSeparator + 'nn' + TimeSeparator + 'ss' + '.zzzz';;
1020		end;
1021
1022		function TSQLDataItem.GetTimestampFormatStr: AnsiString;
#	Line 815 | Line 1028 | begin
1028		with FormatSettings do
1029		{$IFEND}
1030		{$IFEND}
1031	<	Result := ShortDateFormat + ' ' +  LongTimeFormat + '.zzz';
1031	>	Result := ShortDateFormat + ' ' +  'hh' + TimeSeparator + 'nn' + TimeSeparator + 'ss' + '.zzzz';
1032		end;
1033
1034		procedure TSQLDataItem.SetAsInteger(AValue: Integer);
#	Line 823 | Line 1036 | begin
1036		SetAsLong(aValue);
1037		end;
1038
1039	+	procedure TSQLDataItem.InternalGetAsDateTime(var aDateTime: TDateTime;
1040	+	var dstOffset: smallint; var aTimezone: AnsiString;
1041	+	var aTimeZoneID: TFBTimeZoneID);
1042	+	begin
1043	+	CheckActive;
1044	+	aDateTime := 0;
1045	+	dstOffset := 0;
1046	+	aTimezone := '';
1047	+	aTimeZoneID := TimeZoneID_GMT;
1048	+	if not IsNull then
1049	+	with FFirebirdClientAPI do
1050	+	case SQLType of
1051	+	SQL_TEXT, SQL_VARYING:
1052	+	if not ParseDateTimeTZString(AsString,aDateTime,aTimeZone) then
1053	+	IBError(ibxeInvalidDataConversion, [nil]);
1054	+	SQL_TYPE_DATE:
1055	+	aDateTime := SQLDecodeDate(SQLData);
1056	+	SQL_TYPE_TIME:
1057	+	aDateTime := SQLDecodeTime(SQLData);
1058	+	SQL_TIMESTAMP:
1059	+	aDateTime := SQLDecodeDateTime(SQLData);
1060	+	SQL_TIMESTAMP_TZ:
1061	+	begin
1062	+	GetTimeZoneServices.DecodeTimestampTZ(SQLData,aDateTime,dstOffset,aTimeZone);
1063	+	aTimeZoneID := PISC_TIMESTAMP_TZ(SQLData)^.time_zone;
1064	+	end;
1065	+	SQL_TIMESTAMP_TZ_EX:
1066	+	begin
1067	+	GetTimeZoneServices.DecodeTimestampTZEx(SQLData,aDateTime,dstOffset,aTimeZone);
1068	+	aTimeZoneID := PISC_TIMESTAMP_TZ_EX(SQLData)^.time_zone;
1069	+	end;
1070	+	SQL_TIME_TZ:
1071	+	with GetTimeZoneServices do
1072	+	begin
1073	+	DecodeTimeTZ(SQLData,GetTimeTZDate,aDateTime,dstOffset,aTimeZone);
1074	+	aTimeZoneID := PISC_TIME_TZ(SQLData)^.time_zone;
1075	+	end;
1076	+	SQL_TIME_TZ_EX:
1077	+	with GetTimeZoneServices do
1078	+	begin
1079	+	DecodeTimeTZEx(SQLData,GetTimeTZDate,aDateTime,dstOffset,aTimeZone);
1080	+	aTimeZoneID := PISC_TIME_TZ_EX(SQLData)^.time_zone;
1081	+	end;
1082	+	else
1083	+	IBError(ibxeInvalidDataConversion, [nil]);
1084	+	end;
1085	+	end;
1086	+
1087		function TSQLDataItem.AdjustScaleFromCurrency(Value: Currency; aScale: Integer
1088		): Int64;
1089		var
#	Line 871 | Line 1132 | begin
1132		end
1133		else
1134		result := trunc(Value);
1135	+	//  writeln('Adjusted ',Value,' to ',Result);
1136		end;
1137
1138		procedure TSQLDataItem.CheckActive;
#	Line 878 | Line 1140 | begin
1140		//Do nothing by default
1141		end;
1142
1143	+	procedure TSQLDataItem.CheckTZSupport;
1144	+	begin
1145	+	if not FFirebirdClientAPI.HasTimeZoneSupport then
1146	+	IBError(ibxeNoTimezoneSupport,[]);
1147	+	end;
1148	+
1149	+	function TSQLDataItem.GetTimeZoneServices: IExTimeZoneServices;
1150	+	begin
1151	+	if FTimeZoneServices = nil then
1152	+	begin
1153	+	if not GetAttachment.HasTimeZoneSupport then
1154	+	IBError(ibxeNoTimezoneSupport,[]);
1155	+	GetAttachment.GetTimeZoneServices.QueryInterface(IExTimeZoneServices,FTimeZoneServices);
1156	+	end;
1157	+	Result := FTimeZoneServices;
1158	+	end;
1159	+
1160		procedure TSQLDataItem.Changed;
1161		begin
1162		//Do nothing by default
#	Line 927 | Line 1206 | begin
1206		Result := GetSQLTypeName(GetSQLType);
1207		end;
1208
1209	<	class function TSQLDataItem.GetSQLTypeName(SQLType: short): AnsiString;
1209	>	class function TSQLDataItem.GetSQLTypeName(SQLType: cardinal): AnsiString;
1210		begin
1211		Result := 'Unknown';
1212		case SQLType of
#	Line 938 | Line 1217 | begin
1217		SQL_LONG:             Result := 'SQL_LONG';
1218		SQL_SHORT:            Result := 'SQL_SHORT';
1219		SQL_TIMESTAMP:        Result := 'SQL_TIMESTAMP';
1220	+	SQL_TIMESTAMP_TZ:     Result := 'SQL_TIMESTAMP_TZ';
1221	+	SQL_TIMESTAMP_TZ_EX:  Result := 'SQL_TIMESTAMP_TZ_EX';
1222		SQL_BLOB:             Result := 'SQL_BLOB';
1223		SQL_D_FLOAT:          Result := 'SQL_D_FLOAT';
1224		SQL_ARRAY:            Result := 'SQL_ARRAY';
#	Line 945 | Line 1226 | begin
1226		SQL_TYPE_TIME:        Result := 'SQL_TYPE_TIME';
1227		SQL_TYPE_DATE:        Result := 'SQL_TYPE_DATE';
1228		SQL_INT64:            Result := 'SQL_INT64';
1229	+	SQL_TIME_TZ:          Result := 'SQL_TIME_TZ';
1230	+	SQL_TIME_TZ_EX:       Result := 'SQL_TIME_TZ_EX';
1231	+	SQL_DEC_FIXED:        Result := 'SQL_DEC_FIXED';
1232	+	SQL_DEC16:            Result := 'SQL_DEC16';
1233	+	SQL_DEC34:            Result := 'SQL_DEC34';
1234	+	SQL_INT128:           Result := 'SQL_INT128';
1235	+	SQL_NULL:             Result := 'SQL_NULL';
1236	+	SQL_BOOLEAN:          Result := 'SQL_BOOLEAN';
1237		end;
1238		end;
1239
1240	+	function TSQLDataItem.GetStrDataLength: short;
1241	+	begin
1242	+	with FFirebirdClientAPI do
1243	+	if SQLType = SQL_VARYING then
1244	+	Result := DecodeInteger(SQLData, 2)
1245	+	else
1246	+	Result := DataLength;
1247	+	end;
1248	+
1249		function TSQLDataItem.GetAsBoolean: boolean;
1250		begin
1251		CheckActive;
#	Line 987 | Line 1285 | begin
1285		result := AdjustScaleToCurrency(PInt64(SQLData)^,
1286		Scale);
1287		SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
1288	<	result := Trunc(AsDouble);
1288	>	result := Round(AsDouble);
1289	>
1290	>	SQL_DEC_FIXED,
1291	>	SQL_DEC16,
1292	>	SQL_DEC34,
1293	>	SQL_INT128:
1294	>	if not BCDToCurr(GetAsBCD,Result) then
1295	>	IBError(ibxeInvalidDataConversion, [nil]);
1296	>
1297		else
1298		IBError(ibxeInvalidDataConversion, [nil]);
1299		end;
#	Line 1017 | Line 1323 | begin
1323		result := AdjustScaleToInt64(PInt64(SQLData)^,
1324		Scale);
1325		SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
1326	<	result := Trunc(AsDouble);
1326	>	result := Round(AsDouble);
1327		else
1328		IBError(ibxeInvalidDataConversion, [nil]);
1329		end;
1330		end;
1331
1332		function TSQLDataItem.GetAsDateTime: TDateTime;
1333	+	var aTimezone: AnsiString;
1334	+	aTimeZoneID: TFBTimeZoneID;
1335	+	dstOffset: smallint;
1336	+	begin
1337	+	InternalGetAsDateTime(Result,dstOffset,aTimeZone,aTimeZoneID);
1338	+	end;
1339	+
1340	+	procedure TSQLDataItem.GetAsDateTime(var aDateTime: TDateTime;
1341	+	var dstOffset: smallint; var aTimezone: AnsiString);
1342	+	var aTimeZoneID: TFBTimeZoneID;
1343	+	begin
1344	+	InternalGetAsDateTime(aDateTime,dstOffset,aTimeZone,aTimeZoneID);
1345	+	end;
1346	+
1347	+	procedure TSQLDataItem.GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint;
1348	+	var aTimezoneID: TFBTimeZoneID);
1349	+	var aTimezone: AnsiString;
1350	+	begin
1351	+	InternalGetAsDateTime(aDateTime,dstOffset,aTimeZone,aTimeZoneID);
1352	+	end;
1353	+
1354	+	procedure TSQLDataItem.GetAsTime(var aTime: TDateTime; var dstOffset: smallint;
1355	+	var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime);
1356	+	var aTimeZone: AnsiString;
1357		begin
1358		CheckActive;
1359	<	result := 0;
1359	>	aTime := 0;
1360	>	dstOffset := 0;
1361		if not IsNull then
1362		with FFirebirdClientAPI do
1363		case SQLType of
1364	<	SQL_TEXT, SQL_VARYING: begin
1365	<	try
1366	<	result := StrToDate(AsString);
1367	<	except
1368	<	on E: EConvertError do IBError(ibxeInvalidDataConversion, [nil]);
1364	>	SQL_TIME_TZ:
1365	>	begin
1366	>	GetTimeZoneServices.DecodeTimeTZ(SQLData,OnDate,aTime,dstOffset,aTimeZone);
1367	>	aTimeZoneID := PISC_TIME_TZ(SQLData)^.time_zone;
1368	>	end;
1369	>	SQL_TIME_TZ_EX:
1370	>	begin
1371	>	GetTimeZoneServices.DecodeTimeTZEx(SQLData,OnDate,aTime,dstOffset,aTimeZone);
1372	>	aTimeZoneID := PISC_TIME_TZ_EX(SQLData)^.time_zone;
1373		end;
1374	+	else
1375	+	IBError(ibxeInvalidDataConversion, [nil]);
1376	+	end;
1377	+	end;
1378	+
1379	+	procedure TSQLDataItem.GetAsTime(var aTime: TDateTime; var dstOffset: smallint;
1380	+	var aTimezone: AnsiString; OnDate: TDateTime);
1381	+	begin
1382	+	CheckActive;
1383	+	aTime := 0;
1384	+	dstOffset := 0;
1385	+	if not IsNull then
1386	+	with FFirebirdClientAPI do
1387	+	case SQLType of
1388	+	SQL_TIME_TZ:
1389	+	GetTimeZoneServices.DecodeTimeTZ(SQLData,OnDate,aTime,dstOffset,aTimeZone);
1390	+	SQL_TIME_TZ_EX:
1391	+	GetTimeZoneServices.DecodeTimeTZEx(SQLData,OnDate,aTime,dstOffset,aTimeZone);
1392	+	else
1393	+	IBError(ibxeInvalidDataConversion, [nil]);
1394	+	end;
1395	+	end;
1396	+
1397	+	procedure TSQLDataItem.GetAsTime(var aTime: TDateTime; var dstOffset: smallint;
1398	+	var aTimezoneID: TFBTimeZoneID);
1399	+	begin
1400	+	GetAsTime(aTime,dstOffset,aTimeZoneID,GetTimeZoneServices.GetTimeTZDate);
1401	+	end;
1402	+
1403	+	procedure TSQLDataItem.GetAsTime(var aTime: TDateTime; var dstOffset: smallint;
1404	+	var aTimezone: AnsiString);
1405	+	begin
1406	+	GetAsTime(aTime,dstOffset,aTimeZone,GetTimeZoneServices.GetTimeTZDate);
1407	+	end;
1408	+
1409	+	function TSQLDataItem.GetAsUTCDateTime: TDateTime;
1410	+	var aTimezone: AnsiString;
1411	+	begin
1412	+	CheckActive;
1413	+	result := 0;
1414	+	aTimezone := '';
1415	+	if not IsNull then
1416	+	with FFirebirdClientAPI do
1417	+	case SQLType of
1418	+	SQL_TEXT, SQL_VARYING:
1419	+	begin
1420	+	if not ParseDateTimeTZString(AsString,Result,aTimeZone) then
1421	+	IBError(ibxeInvalidDataConversion, [nil]);
1422	+	Result := GetTimeZoneServices.LocalTimeToGMT(Result,aTimeZone);
1423		end;
1424		SQL_TYPE_DATE:
1425		result := SQLDecodeDate(SQLData);
1426	<	SQL_TYPE_TIME:
1426	>	SQL_TYPE_TIME,
1427	>	SQL_TIME_TZ,
1428	>	SQL_TIME_TZ_EX:
1429		result := SQLDecodeTime(SQLData);
1430	<	SQL_TIMESTAMP:
1430	>	SQL_TIMESTAMP,
1431	>	SQL_TIMESTAMP_TZ,
1432	>	SQL_TIMESTAMP_TZ_EX:
1433		result := SQLDecodeDateTime(SQLData);
1434		else
1435		IBError(ibxeInvalidDataConversion, [nil]);
1436	<	end;
1436	>	end;
1437		end;
1438
1439		function TSQLDataItem.GetAsDouble: Double;
#	Line 1073 | Line 1461 | begin
1461		result := PFloat(SQLData)^;
1462		SQL_DOUBLE, SQL_D_FLOAT:
1463		result := PDouble(SQLData)^;
1464	+	SQL_DEC_FIXED,
1465	+	SQL_DEC16,
1466	+	SQL_DEC34,
1467	+	SQL_INT128:
1468	+	Result := BCDToDouble(GetAsBCD);
1469		else
1470		IBError(ibxeInvalidDataConversion, [nil]);
1471		end;
#	Line 1109 | Line 1502 | begin
1502		end;
1503		end;
1504		SQL_SHORT:
1505	<	result := Trunc(AdjustScale(Int64(PShort(SQLData)^),
1505	>	result := Round(AdjustScale(Int64(PShort(SQLData)^),
1506		Scale));
1507		SQL_LONG:
1508	<	result := Trunc(AdjustScale(Int64(PLong(SQLData)^),
1508	>	result := Round(AdjustScale(Int64(PLong(SQLData)^),
1509		Scale));
1510		SQL_INT64:
1511	<	result := Trunc(AdjustScale(PInt64(SQLData)^, Scale));
1511	>	result := Round(AdjustScale(PInt64(SQLData)^, Scale));
1512		SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
1513	<	result := Trunc(AsDouble);
1513	>	result := Round(AsDouble);
1514	>	SQL_DEC_FIXED,
1515	>	SQL_DEC16,
1516	>	SQL_DEC34,
1517	>	SQL_INT128:
1518	>	Result := BCDToInteger(GetAsBCD);
1519		else
1520	<	IBError(ibxeInvalidDataConversion, [nil]);
1520	>	IBError(ibxeInvalidDataConversion, [GetSQLTypeName]);
1521		end;
1522		end;
1523
#	Line 1157 | Line 1555 | begin
1555		end;
1556		end;
1557
1558	+	{Copied from LazUTF8}
1559	+
1560	+	function UTF8CodepointSizeFull(p: PAnsiChar): integer;
1561	+	const TopBitSetMask   = $80; {%10000000}
1562	+	Top2BitsSetMask = $C0; {%11000000}
1563	+	Top3BitsSetMask = $E0; {%11100000}
1564	+	Top4BitsSetMask = $F0; {%11110000}
1565	+	Top5BitsSetMask = $F8; {%11111000}
1566	+	begin
1567	+	case p^ of
1568	+	#0..#191: // %11000000
1569	+	// regular single byte character (#0 is a character, this is Pascal ;)
1570	+	Result:=1;
1571	+	#192..#223: // p^ and %11100000 = %11000000
1572	+	begin
1573	+	// could be 2 byte character
1574	+	if (ord(p[1]) and Top2BitsSetMask) = TopBitSetMask then
1575	+	Result:=2
1576	+	else
1577	+	Result:=1;
1578	+	end;
1579	+	#224..#239: // p^ and %11110000 = %11100000
1580	+	begin
1581	+	// could be 3 byte character
1582	+	if ((ord(p[1]) and Top2BitsSetMask) = TopBitSetMask)
1583	+	and ((ord(p[2]) and Top2BitsSetMask) = TopBitSetMask) then
1584	+	Result:=3
1585	+	else
1586	+	Result:=1;
1587	+	end;
1588	+	#240..#247: // p^ and %11111000 = %11110000
1589	+	begin
1590	+	// could be 4 byte character
1591	+	if ((ord(p[1]) and Top2BitsSetMask) = TopBitSetMask)
1592	+	and ((ord(p[2]) and Top2BitsSetMask) = TopBitSetMask)
1593	+	and ((ord(p[3]) and Top2BitsSetMask) = TopBitSetMask) then
1594	+	Result:=4
1595	+	else
1596	+	Result:=1;
1597	+	end;
1598	+	else
1599	+	Result:=1;
1600	+	end;
1601	+	end;
1602	+
1603	+	{Returns the byte length of a UTF8 string with a fixed charwidth}
1604	+
1605	+	function GetStrLen(p: PAnsiChar; FieldWidth, MaxDataLength: cardinal): integer;
1606	+	var i: integer;
1607	+	cplen: integer;
1608	+	s: AnsiString;
1609	+	begin
1610	+	Result := 0;
1611	+	s := strpas(p);
1612	+	for i := 1 to FieldWidth do
1613	+	begin
1614	+	cplen := UTF8CodepointSizeFull(p);
1615	+	Inc(p,cplen);
1616	+	Inc(Result,cplen);
1617	+	if Result >= MaxDataLength then
1618	+	begin
1619	+	Result := MaxDataLength;
1620	+	Exit;
1621	+	end;
1622	+	end;
1623	+	end;
1624
1625		function TSQLDataItem.GetAsString: AnsiString;
1626		var
1627		sz: PByte;
1628		str_len: Integer;
1629		rs: RawByteString;
1630	+	aTimeZone: AnsiString;
1631	+	aDateTime: TDateTime;
1632	+	dstOffset: smallint;
1633		begin
1634		CheckActive;
1635		result := '';
#	Line 1180 | Line 1647 | begin
1647		begin
1648		sz := SQLData;
1649		if (SQLType = SQL_TEXT) then
1650	<	str_len := DataLength
1650	>	begin
1651	>	if GetCodePage = cp_utf8 then
1652	>	str_len := GetStrLen(PAnsiChar(sz),GetSize div GetCharSetWidth,DataLength)
1653	>	else
1654	>	str_len := DataLength
1655	>	end
1656		else begin
1657	<	str_len := DecodeInteger(SQLData, 2);
1657	>	str_len := DecodeInteger(sz, 2);
1658		Inc(sz, 2);
1659		end;
1660		SetString(rs, PAnsiChar(sz), str_len);
1661		SetCodePage(rs,GetCodePage,false);
1662	<	if (SQLType = SQL_TEXT) and (GetCharSetID <> 1) then
1191	<	Result := TrimRight(rs)
1192	<	else
1193	<	Result := rs
1662	>	Result := rs;
1663		end;
1664	+
1665		SQL_TYPE_DATE:
1666	<	result := FormatDateTime(GetDateFormatStr(TimeOf(AsDateTime)<>0),AsDateTime);
1197	<	SQL_TYPE_TIME :
1198	<	result := FormatDateTime(GetTimeFormatStr,AsDateTime);
1666	>	Result := DateToStr(GetAsDateTime);
1667		SQL_TIMESTAMP:
1668	<	result := FormatDateTime(GetTimestampFormatStr,AsDateTime);
1668	>	Result := FBFormatDateTime(GetTimestampFormatStr,GetAsDateTime);
1669	>	SQL_TYPE_TIME:
1670	>	Result := FBFormatDateTime(GetTimeFormatStr,GetAsDateTime);
1671	>	SQL_TIMESTAMP_TZ,
1672	>	SQL_TIMESTAMP_TZ_EX:
1673	>	with GetAttachment.GetTimeZoneServices do
1674	>	begin
1675	>	if GetTZTextOption = tzGMT then
1676	>	Result := FBFormatDateTime(GetTimestampFormatStr,GetAsUTCDateTime)
1677	>	else
1678	>	begin
1679	>	GetAsDateTime(aDateTime,dstOffset,aTimeZone);
1680	>	if GetTZTextOption = tzOffset then
1681	>	Result := FBFormatDateTime(GetTimestampFormatStr,aDateTime) + ' ' + FormatTimeZoneOffset(dstOffset)
1682	>	else
1683	>	Result := FBFormatDateTime(GetTimestampFormatStr,aDateTime) + ' ' + aTimeZone;
1684	>	end;
1685	>	end;
1686	>	SQL_TIME_TZ,
1687	>	SQL_TIME_TZ_EX:
1688	>	with GetAttachment.GetTimeZoneServices do
1689	>	begin
1690	>	if GetTZTextOption = tzGMT then
1691	>	Result := FBFormatDateTime(GetTimeFormatStr,GetAsUTCDateTime)
1692	>	else
1693	>	begin
1694	>	GetAsTime(aDateTime,dstOffset,aTimeZone,GetTimeTZDate);
1695	>	if GetTZTextOption = tzOffset then
1696	>	Result := FBFormatDateTime(GetTimeFormatStr,aDateTime) + ' ' + FormatTimeZoneOffset(dstOffset)
1697	>	else
1698	>	Result := FBFormatDateTime(GetTimeFormatStr,aDateTime) + ' ' + aTimeZone;
1699	>	end;
1700	>	end;
1701	>
1702		SQL_SHORT, SQL_LONG:
1703		if Scale = 0 then
1704		result := IntToStr(AsLong)
#	Line 1214 | Line 1715 | begin
1715		result := FloatToStr(AsDouble);
1716		SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
1717		result := FloatToStr(AsDouble);
1718	+
1719	+	SQL_DEC16,
1720	+	SQL_DEC34:
1721	+	result := BCDToStr(GetAsBCD);
1722	+
1723	+	SQL_DEC_FIXED,
1724	+	SQL_INT128:
1725	+	result := Int128ToStr(SQLData,scale);
1726	+
1727		else
1728		IBError(ibxeInvalidDataConversion, [nil]);
1729		end;
#	Line 1232 | Line 1742 | begin
1742		end;
1743
1744		function TSQLDataItem.GetAsVariant: Variant;
1745	+	var ts: TDateTime;
1746	+	dstOffset: smallint;
1747	+	timezone: AnsiString;
1748		begin
1749		CheckActive;
1750		if IsNull then
#	Line 1245 | Line 1758 | begin
1758		result := AsString;
1759		SQL_TIMESTAMP, SQL_TYPE_DATE, SQL_TYPE_TIME:
1760		result := AsDateTime;
1761	+	SQL_TIMESTAMP_TZ,
1762	+	SQL_TIME_TZ,
1763	+	SQL_TIMESTAMP_TZ_EX,
1764	+	SQL_TIME_TZ_EX:
1765	+	begin
1766	+	GetAsDateTime(ts,dstOffset,timezone);
1767	+	result := VarArrayOf([ts,dstOffset,timezone]);
1768	+	end;
1769		SQL_SHORT, SQL_LONG:
1770		if Scale = 0 then
1771		result := AsLong
#	Line 1263 | Line 1784 | begin
1784		result := AsDouble;
1785		SQL_BOOLEAN:
1786		result := AsBoolean;
1787	+	SQL_DEC_FIXED,
1788	+	SQL_DEC16,
1789	+	SQL_DEC34,
1790	+	SQL_INT128:
1791	+	result := VarFmtBCDCreate(GetAsBcd);
1792		else
1793		IBError(ibxeInvalidDataConversion, [nil]);
1794		end;
#	Line 1283 | Line 1809 | begin
1809		Result := Length(GetDateFormatStr(true));
1810		dfTime:
1811		Result := Length(GetTimeFormatStr);
1812	+	dfTimestampTZ:
1813	+	Result := Length(GetTimestampFormatStr) + 6; {assume time offset format}
1814	+	dfTimeTZ:
1815	+	Result := Length(GetTimeFormatStr)+ 6;
1816		else
1817		Result := 0;
1818	+	end;end;
1819	+
1820	+	function TSQLDataItem.GetAsBCD: tBCD;
1821	+
1822	+	begin
1823	+	CheckActive;
1824	+	if IsNull then
1825	+	with Result do
1826	+	begin
1827	+	FillChar(Result,sizeof(Result),0);
1828	+	Precision := 1;
1829	+	exit;
1830	+	end;
1831	+
1832	+	case SQLType of
1833	+	SQL_DEC16,
1834	+	SQL_DEC34:
1835	+	with FFirebirdClientAPI do
1836	+	Result := SQLDecFloatDecode(SQLType,  SQLData);
1837	+
1838	+	SQL_DEC_FIXED,
1839	+	SQL_INT128:
1840	+	with FFirebirdClientAPI do
1841	+	Result := StrToBCD(Int128ToStr(SQLData,scale));
1842	+	else
1843	+	if not CurrToBCD(GetAsCurrency,Result) then
1844	+	IBError(ibxeBadBCDConversion,[]);
1845		end;
1846		end;
1847
#	Line 1376 | Line 1933 | begin
1933		Changed;
1934		end;
1935
1936	+	procedure TSQLDataItem.SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID);
1937	+	begin
1938	+	CheckActive;
1939	+	CheckTZSupport;
1940	+	if GetSQLDialect < 3 then
1941	+	begin
1942	+	AsDateTime := aValue;
1943	+	exit;
1944	+	end;
1945	+
1946	+	Changing;
1947	+	if IsNullable then
1948	+	IsNull := False;
1949	+
1950	+	SQLType := SQL_TIME_TZ;
1951	+	DataLength := SizeOf(ISC_TIME_TZ);
1952	+	GetTimeZoneServices.EncodeTimeTZ(aValue, aTimeZoneID,OnDate,SQLData);
1953	+	Changed;
1954	+	end;
1955	+
1956	+	procedure TSQLDataItem.SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString);
1957	+	begin
1958	+	CheckActive;
1959	+	CheckTZSupport;
1960	+	if GetSQLDialect < 3 then
1961	+	begin
1962	+	AsDateTime := aValue;
1963	+	exit;
1964	+	end;
1965	+
1966	+	Changing;
1967	+	if IsNullable then
1968	+	IsNull := False;
1969	+
1970	+	SQLType := SQL_TIME_TZ;
1971	+	DataLength := SizeOf(ISC_TIME_TZ);
1972	+	GetTimeZoneServices.EncodeTimeTZ(aValue, aTimeZone,OnDate,SQLData);
1973	+	Changed;
1974	+	end;
1975	+
1976		procedure TSQLDataItem.SetAsDateTime(Value: TDateTime);
1977		begin
1978		CheckActive;
#	Line 1390 | Line 1987 | begin
1987		Changed;
1988		end;
1989
1990	+	procedure TSQLDataItem.SetAsDateTime(aValue: TDateTime;
1991	+	aTimeZoneID: TFBTimeZoneID);
1992	+	begin
1993	+	CheckActive;
1994	+	CheckTZSupport;
1995	+	if IsNullable then
1996	+	IsNull := False;
1997	+
1998	+	Changing;
1999	+	SQLType := SQL_TIMESTAMP_TZ;
2000	+	DataLength := SizeOf(ISC_TIMESTAMP_TZ);
2001	+	GetTimeZoneServices.EncodeTimestampTZ(aValue,aTimeZoneID,SQLData);
2002	+	Changed;
2003	+	end;
2004	+
2005	+	procedure TSQLDataItem.SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString
2006	+	);
2007	+	begin
2008	+	CheckActive;
2009	+	CheckTZSupport;
2010	+	if IsNullable then
2011	+	IsNull := False;
2012	+
2013	+	Changing;
2014	+	SQLType := SQL_TIMESTAMP_TZ;
2015	+	DataLength := SizeOf(ISC_TIMESTAMP_TZ);
2016	+	GetTimeZoneServices.EncodeTimestampTZ(aValue,aTimeZone,SQLData);
2017	+	Changed;
2018	+	end;
2019	+
2020	+	procedure TSQLDataItem.SetAsUTCDateTime(aUTCTime: TDateTime);
2021	+	begin
2022	+	SetAsDateTime(aUTCTime,TimeZoneID_GMT);
2023	+	end;
2024	+
2025		procedure TSQLDataItem.SetAsDouble(Value: Double);
2026		begin
2027		CheckActive;
#	Line 1485 | Line 2117 | begin
2117		CheckActive;
2118		if VarIsNull(Value) then
2119		IsNull := True
2120	+	else
2121	+	if VarIsArray(Value) then {must be datetime plus timezone}
2122	+	SetAsDateTime(Value[0],AnsiString(Value[1]))
2123		else case VarType(Value) of
2124		varEmpty, varNull:
2125		IsNull := True;
#	Line 1507 | Line 2142 | begin
2142		IBError(ibxeNotSupported, [nil]);
2143		varByRef, varDispatch, varError, varUnknown, varVariant:
2144		IBError(ibxeNotPermitted, [nil]);
2145	+	else
2146	+	if VarIsFmtBCD(Value) then
2147	+	SetAsBCD(VarToBCD(Value))
2148	+	else
2149	+	IBError(ibxeNotSupported, [nil]);
2150		end;
2151		end;
2152
#	Line 1524 | Line 2164 | begin
2164		Changed;
2165		end;
2166
2167	+	procedure TSQLDataItem.SetAsBcd(aValue: tBCD);
2168	+	var C: Currency;
2169	+	begin
2170	+	CheckActive;
2171	+	Changing;
2172	+	if IsNullable then
2173	+	IsNull := False;
2174	+
2175	+
2176	+	with FFirebirdClientAPI do
2177	+	if aValue.Precision <= 16 then
2178	+	begin
2179	+	if not HasDecFloatSupport then
2180	+	IBError(ibxeDecFloatNotSupported,[]);
2181	+
2182	+	SQLType := SQL_DEC16;
2183	+	DataLength := 8;
2184	+	SQLDecFloatEncode(aValue,SQLType,SQLData);
2185	+	end
2186	+	else
2187	+	if aValue.Precision <= 34 then
2188	+	begin
2189	+	if not HasDecFloatSupport then
2190	+	IBError(ibxeDecFloatNotSupported,[]);
2191	+
2192	+	SQLType := SQL_DEC34;
2193	+	DataLength := 16;
2194	+	SQLDecFloatEncode(aValue,SQLType,SQLData);
2195	+	end
2196	+	else
2197	+	if aValue.Precision <= 38 then
2198	+	begin
2199	+	if not HasInt128Support then
2200	+	IBError(ibxeInt128NotSupported,[]);
2201	+
2202	+	SQLType := SQL_INT128;
2203	+	DataLength := 16;
2204	+	StrToInt128(scale,BcdToStr(aValue),SQLData);
2205	+	end
2206	+	else
2207	+	IBError(ibxeBCDOverflow,[BCDToStr(aValue)]);
2208	+
2209	+	Changed;
2210	+	end;
2211	+
2212		procedure TSQLDataItem.SetAsBoolean(AValue: boolean);
2213		begin
2214		CheckActive;
#	Line 1554 | Line 2239 | begin
2239		IBError(ibxeStatementNotPrepared, [nil]);
2240		end;
2241
2242	+	function TColumnMetaData.GetAttachment: IAttachment;
2243	+	begin
2244	+	Result := GetStatement.GetAttachment;
2245	+	end;
2246	+
2247		function TColumnMetaData.SQLData: PByte;
2248		begin
2249		Result := FIBXSQLVAR.SQLData;
#	Line 1658 | Line 2348 | end;
2348		function TColumnMetaData.GetSize: cardinal;
2349		begin
2350		CheckActive;
2351	<	result := FIBXSQLVAR.DataLength;
2351	>	result := FIBXSQLVAR.GetSize;
2352	>	end;
2353	>
2354	>	function TColumnMetaData.GetCharSetWidth: integer;
2355	>	begin
2356	>	CheckActive;
2357	>	result := FIBXSQLVAR.GetCharSetWidth;
2358		end;
2359
2360		function TColumnMetaData.GetArrayMetaData: IArrayMetaData;
#	Line 1673 | Line 2369 | begin
2369		result := FIBXSQLVAR.GetBlobMetaData;
2370		end;
2371
2372	+	function TColumnMetaData.GetStatement: IStatement;
2373	+	begin
2374	+	Result := FIBXSQLVAR.GetStatement;
2375	+	end;
2376	+
2377	+	function TColumnMetaData.GetTransaction: ITransaction;
2378	+	begin
2379	+	Result := GetStatement.GetTransaction;
2380	+	end;
2381	+
2382		{ TIBSQLData }
2383
2384		procedure TIBSQLData.CheckActive;
#	Line 1692 | Line 2398 | begin
2398		IBError(ibxeBOF,[nil]);
2399		end;
2400
2401	+	function TIBSQLData.GetTransaction: ITransaction;
2402	+	begin
2403	+	if FTransaction = nil then
2404	+	Result := inherited GetTransaction
2405	+	else
2406	+	Result := FTransaction;
2407	+	end;
2408	+
2409		function TIBSQLData.GetIsNull: Boolean;
2410		begin
2411		CheckActive;
#	Line 1745 | Line 2459 | end;
2459
2460		var b: IBlob;
2461		dt: TDateTime;
2462	<	CurrValue: Currency;
2463	<	FloatValue: single;
2462	>	timezone: AnsiString;
2463	>	Int64Value: Int64;
2464	>	BCDValue: TBCD;
2465	>	aScale: integer;
2466		begin
2467		CheckActive;
2468		if IsNullable then
2469		IsNull := False;
2470	<	case SQLTYPE of
2470	>	with FFirebirdClientAPI do
2471	>	case getColMetaData.SQLTYPE of
2472		SQL_BOOLEAN:
2473		if AnsiCompareText(Value,STrue) = 0 then
2474		AsBoolean := true
#	Line 1762 | Line 2479 | begin
2479		IBError(ibxeInvalidDataConversion,[nil]);
2480
2481		SQL_BLOB:
2482	+	if Length(Value) < GetAttachment.GetInlineBlobLimit then
2483	+	DoSetString
2484	+	else
2485		begin
2486		Changing;
2487		b := FIBXSQLVAR.CreateBlob;
#	Line 1774 | Line 2494 | begin
2494		SQL_TEXT:
2495		DoSetString;
2496
2497	<	SQL_SHORT,
2498	<	SQL_LONG,
2499	<	SQL_INT64:
2500	<	if TryStrToCurr(Value,CurrValue) then
2501	<	SetAsNumeric(AdjustScaleFromCurrency(CurrValue,GetScale),GetScale)
2502	<	else
2503	<	DoSetString;
2497	>	SQL_SHORT,
2498	>	SQL_LONG,
2499	>	SQL_INT64:
2500	>	if TryStrToNumeric(Value,Int64Value,aScale) then
2501	>	SetAsNumeric(Int64Value,aScale)
2502	>	else
2503	>	DoSetString;
2504
2505	<	SQL_D_FLOAT,
2506	<	SQL_DOUBLE,
2507	<	SQL_FLOAT:
2508	<	if TryStrToFloat(Value,FloatValue) then
2509	<	SetAsDouble(FloatValue)
2510	<	else
2511	<	DoSetString;
2505	>	SQL_DEC_FIXED,
2506	>	SQL_DEC16,
2507	>	SQL_DEC34,
2508	>	SQL_INT128:
2509	>	if TryStrToBCD(Value,BCDValue) then
2510	>	SetAsBCD(BCDValue)
2511	>	else
2512	>	DoSetString;
2513	>
2514	>	SQL_D_FLOAT,
2515	>	SQL_DOUBLE,
2516	>	SQL_FLOAT:
2517	>	if TryStrToNumeric(Value,Int64Value,aScale) then
2518	>	SetAsDouble(NumericToDouble(Int64Value,aScale))
2519	>	else
2520	>	DoSetString;
2521
2522	<	SQL_TIMESTAMP:
2522	>	SQL_TIMESTAMP:
2523		if TryStrToDateTime(Value,dt) then
2524		SetAsDateTime(dt)
2525		else
2526		DoSetString;
2527
2528	<	SQL_TYPE_DATE:
2528	>	SQL_TYPE_DATE:
2529		if TryStrToDateTime(Value,dt) then
2530		SetAsDate(dt)
2531		else
2532		DoSetString;
2533
2534	<	SQL_TYPE_TIME:
2534	>	SQL_TYPE_TIME:
2535		if TryStrToDateTime(Value,dt) then
2536		SetAsTime(dt)
2537		else
2538		DoSetString;
2539
2540	<	else
2541	<	IBError(ibxeInvalidDataConversion,[nil]);
2540	>	SQL_TIMESTAMP_TZ,
2541	>	SQL_TIMESTAMP_TZ_EX:
2542	>	if ParseDateTimeTZString(value,dt,timezone) then
2543	>	SetAsDateTime(dt,timezone)
2544	>	else
2545	>	DoSetString;
2546	>
2547	>	SQL_TIME_TZ,
2548	>	SQL_TIME_TZ_EX:
2549	>	if ParseDateTimeTZString(value,dt,timezone,true) then
2550	>	SetAsTime(dt,GetAttachment.GetTimeZoneServices.GetTimeTZDate,timezone)
2551	>	else
2552	>	DoSetString;
2553	>
2554	>	else
2555	>	IBError(ibxeInvalidDataConversion,[GetSQLTypeName(getColMetaData.SQLTYPE)]);
2556		end;
2557		end;
2558
#	Line 1847 | Line 2590 | begin
2590		IsNull := true;
2591		end;
2592
2593	+	function TSQLParam.getColMetadata: IParamMetaData;
2594	+	begin
2595	+	Result := FIBXSQLVAR.getColMetadata;
2596	+	end;
2597	+
2598		function TSQLParam.GetModified: boolean;
2599		begin
2600		CheckActive;
#	Line 1860 | Line 2608 | begin
2608		Result := inherited GetAsPointer;
2609		end;
2610
2611	+	function TSQLParam.GetAsString: AnsiString;
2612	+	var rs: RawByteString;
2613	+	begin
2614	+	Result := '';
2615	+	if (SQLType = SQL_VARYING) and not IsNull then
2616	+	{SQLData points to start of string - default is to length word}
2617	+	begin
2618	+	CheckActive;
2619	+	SetString(rs,PAnsiChar(SQLData),DataLength);
2620	+	SetCodePage(rs,GetCodePage,false);
2621	+	Result := rs;
2622	+	end
2623	+	else
2624	+	Result := inherited GetAsString;
2625	+	end;
2626	+
2627		procedure TSQLParam.SetName(Value: AnsiString);
2628		begin
2629		CheckActive;
#	Line 2051 | Line 2815 | begin
2815		end;
2816		end;
2817
2818	+	procedure TSQLParam.SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID);
2819	+	var i: integer;
2820	+	OldSQLVar: TSQLVarData;
2821	+	begin
2822	+	if FIBXSQLVAR.UniqueName then
2823	+	inherited SetAsTime(AValue,OnDate, aTimeZoneID)
2824	+	else
2825	+	with FIBXSQLVAR.Parent do
2826	+	begin
2827	+	for i := 0 to Count - 1 do
2828	+	if Column[i].Name = Name then
2829	+	begin
2830	+	OldSQLVar := FIBXSQLVAR;
2831	+	FIBXSQLVAR := Column[i];
2832	+	try
2833	+	inherited SetAsTime(AValue,OnDate, aTimeZoneID);
2834	+	finally
2835	+	FIBXSQLVAR := OldSQLVar;
2836	+	end;
2837	+	end;
2838	+	end;
2839	+	end;
2840	+
2841	+	procedure TSQLParam.SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString);
2842	+	var i: integer;
2843	+	OldSQLVar: TSQLVarData;
2844	+	begin
2845	+	if FIBXSQLVAR.UniqueName then
2846	+	inherited SetAsTime(AValue,OnDate,aTimeZone)
2847	+	else
2848	+	with FIBXSQLVAR.Parent do
2849	+	begin
2850	+	for i := 0 to Count - 1 do
2851	+	if Column[i].Name = Name then
2852	+	begin
2853	+	OldSQLVar := FIBXSQLVAR;
2854	+	FIBXSQLVAR := Column[i];
2855	+	try
2856	+	inherited SetAsTime(AValue,OnDate,aTimeZone);
2857	+	finally
2858	+	FIBXSQLVAR := OldSQLVar;
2859	+	end;
2860	+	end;
2861	+	end;
2862	+	end;
2863	+
2864	+	procedure TSQLParam.SetAsTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID);
2865	+	begin
2866	+	SetAsTime(aValue,GetTimeZoneServices.GetTimeTZDate,aTimeZoneID);
2867	+	end;
2868	+
2869	+	procedure TSQLParam.SetAsTime(aValue: TDateTime; aTimeZone: AnsiString);
2870	+	begin
2871	+	SetAsTime(aValue,GetTimeZoneServices.GetTimeTZDate,aTimeZone);
2872	+	end;
2873	+
2874		procedure TSQLParam.SetAsDateTime(AValue: TDateTime);
2875		var i: integer;
2876		OldSQLVar: TSQLVarData;
#	Line 2074 | Line 2894 | begin
2894		end;
2895		end;
2896
2897	+	procedure TSQLParam.SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID
2898	+	);
2899	+	var i: integer;
2900	+	OldSQLVar: TSQLVarData;
2901	+	begin
2902	+	if FIBXSQLVAR.UniqueName then
2903	+	inherited SetAsDateTime(AValue,aTimeZoneID)
2904	+	else
2905	+	with FIBXSQLVAR.Parent do
2906	+	begin
2907	+	for i := 0 to Count - 1 do
2908	+	if Column[i].Name = Name then
2909	+	begin
2910	+	OldSQLVar := FIBXSQLVAR;
2911	+	FIBXSQLVAR := Column[i];
2912	+	try
2913	+	inherited SetAsDateTime(AValue,aTimeZoneID);
2914	+	finally
2915	+	FIBXSQLVAR := OldSQLVar;
2916	+	end;
2917	+	end;
2918	+	end;
2919	+	end;
2920	+
2921	+	procedure TSQLParam.SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString);
2922	+	var i: integer;
2923	+	OldSQLVar: TSQLVarData;
2924	+	begin
2925	+	if FIBXSQLVAR.UniqueName then
2926	+	inherited SetAsDateTime(AValue,aTimeZone)
2927	+	else
2928	+	with FIBXSQLVAR.Parent do
2929	+	begin
2930	+	for i := 0 to Count - 1 do
2931	+	if Column[i].Name = Name then
2932	+	begin
2933	+	OldSQLVar := FIBXSQLVAR;
2934	+	FIBXSQLVAR := Column[i];
2935	+	try
2936	+	inherited SetAsDateTime(AValue,aTimeZone);
2937	+	finally
2938	+	FIBXSQLVAR := OldSQLVar;
2939	+	end;
2940	+	end;
2941	+	end;
2942	+	end;
2943	+
2944		procedure TSQLParam.SetAsDouble(AValue: Double);
2945		var i: integer;
2946		OldSQLVar: TSQLVarData;
#	Line 2254 | Line 3121 | begin
3121		FIBXSQLVAR.SetCharSetID(aValue);
3122		end;
3123
3124	+	procedure TSQLParam.SetAsBcd(aValue: tBCD);
3125	+	var i: integer;
3126	+	OldSQLVar: TSQLVarData;
3127	+	begin
3128	+	if FIBXSQLVAR.UniqueName then
3129	+	inherited SetAsBcd(AValue)
3130	+	else
3131	+	with FIBXSQLVAR.Parent do
3132	+	begin
3133	+	for i := 0 to Count - 1 do
3134	+	if Column[i].Name = Name then
3135	+	begin
3136	+	OldSQLVar := FIBXSQLVAR;
3137	+	FIBXSQLVAR := Column[i];
3138	+	try
3139	+	inherited SetAsBcd(AValue);
3140	+	finally
3141	+	FIBXSQLVAR := OldSQLVar;
3142	+	end;
3143	+	end;
3144	+	end;
3145	+	end;
3146	+
3147		{ TMetaData }
3148
3149		procedure TMetaData.CheckActive;
#	Line 2392 | Line 3282 | begin
3282		end;
3283		end;
3284
3285	+	function TSQLParams.GetHasCaseSensitiveParams: Boolean;
3286	+	begin
3287	+	Result := FSQLParams.CaseSensitiveParams;
3288	+	end;
3289	+
3290		{ TResults }
3291
3292		procedure TResults.CheckActive;
#	Line 2404 | Line 3299 | begin
3299		if not FResults.CheckStatementStatus(ssPrepared)  then
3300		IBError(ibxeStatementNotPrepared, [nil]);
3301
3302	<	with GetTransaction as TFBTransaction do
3302	>	with GetTransaction do
3303		if not InTransaction or (FResults.TransactionSeqNo <> FTransactionSeqNo) then
3304		IBError(ibxeInterfaceOutofDate,[nil]);
3305		end;
3306
3307		function TResults.GetISQLData(aIBXSQLVAR: TSQLVarData): ISQLData;
3308	+	var col: TIBSQLData;
3309		begin
3310		if (aIBXSQLVAR.Index < 0) or (aIBXSQLVAR.Index >= getCount) then
3311		IBError(ibxeInvalidColumnIndex,[nil]);
3312
3313		if not HasInterface(aIBXSQLVAR.Index) then
3314		AddInterface(aIBXSQLVAR.Index, TIBSQLData.Create(self,aIBXSQLVAR));
3315	<	Result := TIBSQLData(GetInterface(aIBXSQLVAR.Index));
3315	>	col := TIBSQLData(GetInterface(aIBXSQLVAR.Index));
3316	>	col.FTransaction := GetTransaction;
3317	>	Result := col;
3318		end;
3319
3320		constructor TResults.Create(aResults: TSQLDataArea);
#	Line 2473 | Line 3371 | begin
3371		FResults.GetData(index,IsNull, len,data);
3372		end;
3373
3374	+	function TResults.GetStatement: IStatement;
3375	+	begin
3376	+	Result := FStatement;
3377	+	end;
3378	+
3379		function TResults.GetTransaction: ITransaction;
3380		begin
3381		Result := FStatement.GetTransaction;

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