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Comparing ibx/trunk/fbintf/client/FBSQLData.pas (file contents):
Revision 263 by tony, Thu Dec 6 15:55:01 2018 UTC vs.
Revision 345 by tony, Mon Aug 23 14:22:29 2021 UTC

#	Line 76 | Line 76 | unit FBSQLData;
76		methods are needed for SQL parameters only. The string getters and setters
77		are virtual as SQLVar and Array encodings of string data is different.}
78
79	–	{ Note on SQL Parameter Names
80	–	--------------------------------------------
81	–
82	–	IBX processes parameter names case insensitive. This does result in some additional
83	–	overhead due to a call to "AnsiUpperCase". This can be avoided by undefining
84	–	"UseCaseInSensitiveParamName" below.
85	–
86	–	}
87	–	{$define UseCaseInSensitiveParamName}
79
80		interface
81
82		uses
83	<	Classes, SysUtils, IBExternals, IBHeader, IB,  FBActivityMonitor, FBClientAPI;
83	>	Classes, SysUtils, IBExternals, {$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	+	FTimeZoneServices: IExTimeZoneServices;
125		function AdjustScale(Value: Int64; aScale: Integer): Double;
126		function AdjustScaleToInt64(Value: Int64; aScale: Integer): Int64;
127		function AdjustScaleToCurrency(Value: Int64; aScale: Integer): Currency;
128	+	function GetDateFormatStr(IncludeTime: boolean): AnsiString;
129	+	function GetTimeFormatStr: AnsiString;
130	+	function GetTimestampFormatStr: AnsiString;
131		procedure SetAsInteger(AValue: Integer);
132	+	procedure InternalGetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint;
133	+	var aTimezone: AnsiString; var aTimeZoneID: TFBTimeZoneID);
134		protected
135		function AdjustScaleFromCurrency(Value: Currency; aScale: Integer): Int64;
136		function AdjustScaleFromDouble(Value: Double; aScale: Integer): Int64;
137		procedure CheckActive; virtual;
138	+	procedure CheckTZSupport;
139	+	function GetAttachment: IAttachment; virtual; abstract;
140		function GetSQLDialect: integer; virtual; abstract;
141	+	function GetTimeZoneServices: IExTimeZoneServices; virtual;
142		procedure Changed; virtual;
143		procedure Changing; virtual;
144		procedure InternalSetAsString(Value: AnsiString); virtual;
#	Line 119 | Line 151 | type
151		procedure SetDataLength(len: cardinal); virtual;
152		procedure SetSQLType(aValue: cardinal); virtual;
153		property DataLength: cardinal read GetDataLength write SetDataLength;
154	<
154	>	property FirebirdClientAPI: TFBClientAPI read FFirebirdClientAPI;
155		public
156		constructor Create(api: TFBClientAPI);
157		function GetSQLType: cardinal; virtual; abstract;
158		function GetSQLTypeName: AnsiString; overload;
159		class function GetSQLTypeName(SQLType: short): AnsiString; overload;
160	+	function GetStrDataLength: short;
161		function GetName: AnsiString; virtual; abstract;
162		function GetScale: integer; virtual; abstract;
163		function GetAsBoolean: boolean;
164		function GetAsCurrency: Currency;
165		function GetAsInt64: Int64;
166	<	function GetAsDateTime: TDateTime;
166	>	function GetAsDateTime: TDateTime; overload;
167	>	procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
168	>	procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
169	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
170	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
171	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
172	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
173	>	function GetAsUTCDateTime: TDateTime;
174		function GetAsDouble: Double;
175		function GetAsFloat: Float;
176		function GetAsLong: Long;
#	Line 142 | Line 182 | type
182		function GetIsNullable: boolean; virtual;
183		function GetAsVariant: Variant;
184		function GetModified: boolean; virtual;
185	+	function GetDateTimeStrLength(DateTimeFormat: TIBDateTimeFormats): integer;
186	+	function GetAsBCD: tBCD;
187	+	function GetSize: cardinal; virtual; abstract;
188	+	function GetCharSetWidth: integer; virtual; abstract;
189		procedure SetAsBoolean(AValue: boolean); virtual;
190		procedure SetAsCurrency(Value: Currency); virtual;
191		procedure SetAsInt64(Value: Int64); virtual;
192		procedure SetAsDate(Value: TDateTime); virtual;
193		procedure SetAsLong(Value: Long); virtual;
194	<	procedure SetAsTime(Value: TDateTime); virtual;
195	<	procedure SetAsDateTime(Value: TDateTime);
194	>	procedure SetAsTime(Value: TDateTime); overload;
195	>	procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime;aTimeZoneID: TFBTimeZoneID); overload;
196	>	procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
197	>	procedure SetAsDateTime(Value: TDateTime); overload;
198	>	procedure SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
199	>	procedure SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
200	>	procedure SetAsUTCDateTime(aUTCTime: TDateTime);
201		procedure SetAsDouble(Value: Double); virtual;
202		procedure SetAsFloat(Value: Float); virtual;
203		procedure SetAsPointer(Value: Pointer);
#	Line 157 | Line 206 | type
206		procedure SetAsString(Value: AnsiString); virtual;
207		procedure SetAsVariant(Value: Variant);
208		procedure SetAsNumeric(Value: Int64; aScale: integer);
209	+	procedure SetAsBcd(aValue: tBCD); virtual;
210		procedure SetIsNull(Value: Boolean); virtual;
211		procedure SetIsNullable(Value: Boolean); virtual;
212		procedure SetName(aValue: AnsiString); virtual;
#	Line 190 | Line 240 | type
240
241		TSQLDataArea = class
242		private
243	+	FCaseSensitiveParams: boolean;
244		function GetColumn(index: integer): TSQLVarData;
245		function GetCount: integer;
246		protected
#	Line 212 | Line 263 | type
263		var data: PByte); virtual;
264		procedure RowChange;
265		function StateChanged(var ChangeSeqNo: integer): boolean; virtual; abstract;
266	+	property CaseSensitiveParams: boolean read FCaseSensitiveParams
267	+	write FCaseSensitiveParams; {Only used when IsInputDataArea true}
268	+	function CanChangeMetaData: boolean; virtual; abstract;
269		property Count: integer read GetCount;
270		property Column[index: integer]: TSQLVarData read GetColumn;
271		property UniqueRelationName: AnsiString read FUniqueRelationName;
#	Line 233 | Line 287 | type
287		function GetStatement: IStatement;
288		procedure SetName(AValue: AnsiString);
289		protected
290	+	function GetAttachment: IAttachment; virtual; abstract;
291		function GetSQLType: cardinal; virtual; abstract;
292		function GetSubtype: integer; virtual; abstract;
293		function GetAliasName: AnsiString;  virtual; abstract;
#	Line 241 | Line 296 | type
296		function GetRelationName: AnsiString;  virtual; abstract;
297		function GetScale: integer; virtual; abstract;
298		function GetCharSetID: cardinal; virtual; abstract;
299	+	function GetCharSetWidth: integer; virtual; abstract;
300		function GetCodePage: TSystemCodePage; virtual; abstract;
301		function GetIsNull: Boolean;   virtual; abstract;
302		function GetIsNullable: boolean; virtual; abstract;
303		function GetSQLData: PByte;  virtual; abstract;
304	<	function GetDataLength: cardinal; virtual; abstract;
304	>	function GetDataLength: cardinal; virtual; abstract; {current field length}
305	>	function GetSize: cardinal; virtual; abstract; {field length as given by metadata}
306	>	function GetDefaultTextSQLType: cardinal; virtual; abstract;
307		procedure SetIsNull(Value: Boolean); virtual; abstract;
308		procedure SetIsNullable(Value: Boolean);  virtual; abstract;
309		procedure SetSQLData(AValue: PByte; len: cardinal); virtual; abstract;
#	Line 253 | Line 311 | type
311		procedure SetDataLength(len: cardinal); virtual; abstract;
312		procedure SetSQLType(aValue: cardinal); virtual; abstract;
313		procedure SetCharSetID(aValue: cardinal); virtual; abstract;
314	+	procedure SetMetaSize(aValue: cardinal); virtual;
315		public
316		constructor Create(aParent: TSQLDataArea; aIndex: integer);
317		procedure SetString(aValue: AnsiString);
#	Line 294 | Line 353 | type
353		FIBXSQLVAR: TSQLVarData;
354		FOwner: IUnknown;         {Keep reference to ensure Metadata/statement not discarded}
355		FPrepareSeqNo: integer;
297	–	FStatement: IStatement;
356		FChangeSeqNo: integer;
357		protected
358		procedure CheckActive; override;
359	+	function GetAttachment: IAttachment; override;
360		function SQLData: PByte; override;
361		function GetDataLength: cardinal; override;
362		function GetCodePage: TSystemCodePage; override;
#	Line 306 | Line 365 | type
365		constructor Create(aOwner: IUnknown; aIBXSQLVAR: TSQLVarData);
366		destructor Destroy; override;
367		function GetSQLDialect: integer; override;
309	–	property Statement: IStatement read FStatement;
368
369		public
370		{IColumnMetaData}
#	Line 321 | Line 379 | type
379		function GetScale: integer; override;
380		function getCharSetID: cardinal; override;
381		function GetIsNullable: boolean; override;
382	<	function GetSize: cardinal;
382	>	function GetSize: cardinal; override;
383	>	function GetCharSetWidth: integer; override;
384		function GetArrayMetaData: IArrayMetaData;
385		function GetBlobMetaData: IBlobMetaData;
386	+	function GetStatement: IStatement;
387	+	function GetTransaction: ITransaction; virtual;
388		property Name: AnsiString read GetName;
389		property Size: cardinal read GetSize;
390		property CharSetID: cardinal read getCharSetID;
391		property SQLSubtype: integer read getSubtype;
392		property IsNullable: Boolean read GetIsNullable;
393	+	public
394	+	property Statement: IStatement read GetStatement;
395		end;
396
397		{ TIBSQLData }
398
399		TIBSQLData = class(TColumnMetaData,ISQLData)
400	+	private
401	+	FTransaction: ITransaction;
402		protected
403		procedure CheckActive; override;
404		public
405	+	function GetTransaction: ITransaction; override;
406		function GetIsNull: Boolean; override;
407		function GetAsArray: IArray;
408		function GetAsBlob: IBlob; overload;
#	Line 347 | Line 413 | type
413
414		{ TSQLParam }
415
416	<	TSQLParam = class(TIBSQLData,ISQLParam)
416	>	TSQLParam = class(TIBSQLData,ISQLParam,ISQLData)
417		protected
418		procedure CheckActive; override;
419		procedure Changed; override;
#	Line 359 | Line 425 | type
425		procedure Clear;
426		function GetModified: boolean; override;
427		function GetAsPointer: Pointer;
428	+	function GetAsString: AnsiString; override;
429		procedure SetName(Value: AnsiString); override;
430		procedure SetIsNull(Value: Boolean);  override;
431		procedure SetIsNullable(Value: Boolean); override;
#	Line 370 | Line 437 | type
437		procedure SetAsInt64(AValue: Int64);
438		procedure SetAsDate(AValue: TDateTime);
439		procedure SetAsLong(AValue: Long);
440	<	procedure SetAsTime(AValue: TDateTime);
441	<	procedure SetAsDateTime(AValue: TDateTime);
440	>	procedure SetAsTime(AValue: TDateTime); overload;
441	>	procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
442	>	procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
443	>	procedure SetAsTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
444	>	procedure SetAsTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
445	>	procedure SetAsDateTime(AValue: TDateTime); overload;
446	>	procedure SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
447	>	procedure SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
448		procedure SetAsDouble(AValue: Double);
449		procedure SetAsFloat(AValue: Float);
450		procedure SetAsPointer(AValue: Pointer);
#	Line 381 | Line 454 | type
454		procedure SetAsBlob(aValue: IBlob);
455		procedure SetAsQuad(AValue: TISC_QUAD);
456		procedure SetCharSetID(aValue: cardinal);
457	+	procedure SetAsBcd(aValue: tBCD);
458
459		property AsBlob: IBlob read GetAsBlob write SetAsBlob;
460		property IsNullable: Boolean read GetIsNullable write SetIsNullable;
#	Line 423 | Line 497 | type
497		function getSQLParam(index: integer): ISQLParam;
498		function ByName(Idx: AnsiString): ISQLParam ;
499		function GetModified: Boolean;
500	+	function GetHasCaseSensitiveParams: Boolean;
501		end;
502
503		{ TResults }
#	Line 444 | Line 519 | type
519		function ByName(Idx: AnsiString): ISQLData;
520		function getSQLData(index: integer): ISQLData;
521		procedure GetData(index: integer; var IsNull:boolean; var len: short; var data: PByte);
522	+	function GetStatement: IStatement;
523		function GetTransaction: ITransaction; virtual;
524		procedure SetRetainInterfaces(aValue: boolean);
525		end;
526
527		implementation
528
529	<	uses FBMessages, variants, IBUtils, FBTransaction;
454	<
455	<	type
456	<
457	<	{ TSQLParamProcessor }
458	<
459	<	TSQLParamProcessor = class(TSQLwithNamedParamsTokeniser)
460	<	private
461	<	const
462	<	sIBXParam = 'IBXParam';  {do not localize}
463	<	private
464	<	FInString: AnsiString;
465	<	FIndex: integer;
466	<	function DoExecute(GenerateParamNames: boolean;
467	<	var slNames: TStrings): AnsiString;
468	<	protected
469	<	function GetChar: AnsiChar; override;
470	<	public
471	<	class function Execute(sSQL: AnsiString; GenerateParamNames: boolean;
472	<	var slNames: TStrings): AnsiString;
473	<	end;
474	<
475	<	{ TSQLParamProcessor }
476	<
477	<	function TSQLParamProcessor.DoExecute(GenerateParamNames: boolean;
478	<	var slNames: TStrings): AnsiString;
479	<	var token: TSQLTokens;
480	<	iParamSuffix: Integer;
481	<	begin
482	<	Result := '';
483	<	iParamSuffix := 0;
484	<
485	<	while not EOF do
486	<	begin
487	<	token := GetNextToken;
488	<	case token of
489	<	sqltParam,
490	<	sqltQuotedParam:
491	<	begin
492	<	Result := Result + '?';
493	<	slNames.Add(TokenText);
494	<	end;
495	<
496	<	sqltPlaceHolder:
497	<	if GenerateParamNames then
498	<	begin
499	<	Inc(iParamSuffix);
500	<	slNames.AddObject(sIBXParam + IntToStr(iParamSuffix),self); //Note local convention
501	<	//add pointer to self to mark entry
502	<	Result := Result + '?';
503	<	end
504	<	else
505	<	IBError(ibxeSQLParseError, [SParamNameExpected]);
506	<
507	<	sqltQuotedString:
508	<	Result := Result + '''' + SQLSafeString(TokenText) + '''';
509	<
510	<	sqltIdentifierInDoubleQuotes:
511	<	Result := Result + '"' + StringReplace(TokenText,'"','""',[rfReplaceAll]) + '"';
512	<
513	<	sqltComment:
514	<	Result := Result + '/*' + TokenText + '*/';
515	<
516	<	sqltCommentLine:
517	<	Result := Result + '//' + TokenText + LineEnding;
518	<
519	<	sqltEOL:
520	<	Result := Result + LineEnding;
521	<
522	<	else
523	<	Result := Result + TokenText;
524	<	end;
525	<	end;
526	<	end;
527	<
528	<	function TSQLParamProcessor.GetChar: AnsiChar;
529	<	begin
530	<	if FIndex <= Length(FInString) then
531	<	begin
532	<	Result := FInString[FIndex];
533	<	Inc(FIndex);
534	<	end
535	<	else
536	<	Result := #0;
537	<	end;
538	<
539	<	class function TSQLParamProcessor.Execute(sSQL: AnsiString;
540	<	GenerateParamNames: boolean; var slNames: TStrings): AnsiString;
541	<	begin
542	<	with self.Create do
543	<	try
544	<	FInString := sSQL;
545	<	FIndex := 1;
546	<	Result := DoExecute(GenerateParamNames,slNames);
547	<	finally
548	<	Free;
549	<	end;
550	<	end;
551	<
529	>	uses FBMessages, variants, IBUtils, FBTransaction, DateUtils;
530
531		{ TSQLDataArea }
532
#	Line 654 | Line 632 | var
632		s: AnsiString;
633		i: Integer;
634		begin
635	<	{$ifdef UseCaseInSensitiveParamName}
636	<	s := AnsiUpperCase(Idx);
637	<	{$else}
635	>	if not IsInputDataArea or not CaseSensitiveParams then
636	>	s := AnsiUpperCase(Idx)
637	>	else
638		s := Idx;
639	<	{$endif}
639	>
640		for i := 0 to Count - 1 do
641		if Column[i].Name = s then
642		begin
#	Line 690 | Line 668 | end;
668
669		procedure TSQLVarData.SetName(AValue: AnsiString);
670		begin
671	<	if FName = AValue then Exit;
694	<	{$ifdef UseCaseInSensitiveParamName}
695	<	if Parent.IsInputDataArea then
671	>	if not Parent.IsInputDataArea or not Parent.CaseSensitiveParams then
672		FName := AnsiUpperCase(AValue)
673		else
698	–	{$endif}
674		FName := AValue;
675		end;
676
677	+	procedure TSQLVarData.SetMetaSize(aValue: cardinal);
678	+	begin
679	+	//Ignore
680	+	end;
681	+
682		constructor TSQLVarData.Create(aParent: TSQLDataArea; aIndex: integer);
683		begin
684		inherited Create;
#	Line 715 | Line 695 | begin
695		a zero byte when the string is empty, neatly avoiding a nil pointer error.}
696
697		FVarString := aValue;
698	<	SQLType := SQL_TEXT;
698	>	if SQLType = SQL_BLOB then
699	>	SetMetaSize(GetAttachment.GetInlineBlobLimit);
700	>	SQLType := GetDefaultTextSQLType;
701	>	Scale := 0;
702		SetSQLData(PByte(PAnsiChar(FVarString)),Length(aValue));
703		end;
704
#	Line 876 | Line 859 | begin
859		result := Value;
860		end;
861
862	+	function TSQLDataItem.GetDateFormatStr(IncludeTime: boolean): AnsiString;
863	+	begin
864	+	{$IF declared(DefaultFormatSettings)}
865	+	with DefaultFormatSettings do
866	+	{$ELSE}
867	+	{$IF declared(FormatSettings)}
868	+	with FormatSettings do
869	+	{$IFEND}
870	+	{$IFEND}
871	+	case GetSQLDialect of
872	+	1:
873	+	if IncludeTime then
874	+	result := ShortDateFormat + ' ' + LongTimeFormat
875	+	else
876	+	result := ShortDateFormat;
877	+	3:
878	+	result := ShortDateFormat;
879	+	end;
880	+	end;
881	+
882	+	function TSQLDataItem.GetTimeFormatStr: AnsiString;
883	+	begin
884	+	{$IF declared(DefaultFormatSettings)}
885	+	with DefaultFormatSettings do
886	+	{$ELSE}
887	+	{$IF declared(FormatSettings)}
888	+	with FormatSettings do
889	+	{$IFEND}
890	+	{$IFEND}
891	+	Result := 'hh' + TimeSeparator + 'nn' + TimeSeparator + 'ss' + '.zzzz';;
892	+	end;
893	+
894	+	function TSQLDataItem.GetTimestampFormatStr: AnsiString;
895	+	begin
896	+	{$IF declared(DefaultFormatSettings)}
897	+	with DefaultFormatSettings do
898	+	{$ELSE}
899	+	{$IF declared(FormatSettings)}
900	+	with FormatSettings do
901	+	{$IFEND}
902	+	{$IFEND}
903	+	Result := ShortDateFormat + ' ' +  'hh' + TimeSeparator + 'nn' + TimeSeparator + 'ss' + '.zzzz';
904	+	end;
905	+
906		procedure TSQLDataItem.SetAsInteger(AValue: Integer);
907		begin
908		SetAsLong(aValue);
909		end;
910
911	+	procedure TSQLDataItem.InternalGetAsDateTime(var aDateTime: TDateTime;
912	+	var dstOffset: smallint; var aTimezone: AnsiString;
913	+	var aTimeZoneID: TFBTimeZoneID);
914	+	begin
915	+	CheckActive;
916	+	aDateTime := 0;
917	+	dstOffset := 0;
918	+	aTimezone := '';
919	+	aTimeZoneID := TimeZoneID_GMT;
920	+	if not IsNull then
921	+	with FFirebirdClientAPI do
922	+	case SQLType of
923	+	SQL_TEXT, SQL_VARYING:
924	+	if not ParseDateTimeTZString(AsString,aDateTime,aTimeZone) then
925	+	IBError(ibxeInvalidDataConversion, [nil]);
926	+	SQL_TYPE_DATE:
927	+	aDateTime := SQLDecodeDate(SQLData);
928	+	SQL_TYPE_TIME:
929	+	aDateTime := SQLDecodeTime(SQLData);
930	+	SQL_TIMESTAMP:
931	+	aDateTime := SQLDecodeDateTime(SQLData);
932	+	SQL_TIMESTAMP_TZ:
933	+	begin
934	+	GetTimeZoneServices.DecodeTimestampTZ(SQLData,aDateTime,dstOffset,aTimeZone);
935	+	aTimeZoneID := PISC_TIMESTAMP_TZ(SQLData)^.time_zone;
936	+	end;
937	+	SQL_TIMESTAMP_TZ_EX:
938	+	begin
939	+	GetTimeZoneServices.DecodeTimestampTZEx(SQLData,aDateTime,dstOffset,aTimeZone);
940	+	aTimeZoneID := PISC_TIMESTAMP_TZ_EX(SQLData)^.time_zone;
941	+	end;
942	+	SQL_TIME_TZ:
943	+	with GetTimeZoneServices do
944	+	begin
945	+	DecodeTimeTZ(SQLData,GetTimeTZDate,aDateTime,dstOffset,aTimeZone);
946	+	aTimeZoneID := PISC_TIME_TZ(SQLData)^.time_zone;
947	+	end;
948	+	SQL_TIME_TZ_EX:
949	+	with GetTimeZoneServices do
950	+	begin
951	+	DecodeTimeTZEx(SQLData,GetTimeTZDate,aDateTime,dstOffset,aTimeZone);
952	+	aTimeZoneID := PISC_TIME_TZ_EX(SQLData)^.time_zone;
953	+	end;
954	+	else
955	+	IBError(ibxeInvalidDataConversion, [nil]);
956	+	end;
957	+	end;
958	+
959		function TSQLDataItem.AdjustScaleFromCurrency(Value: Currency; aScale: Integer
960		): Int64;
961		var
#	Line 936 | Line 1011 | begin
1011		//Do nothing by default
1012		end;
1013
1014	+	procedure TSQLDataItem.CheckTZSupport;
1015	+	begin
1016	+	if not FFirebirdClientAPI.HasTimeZoneSupport then
1017	+	IBError(ibxeNoTimezoneSupport,[]);
1018	+	end;
1019	+
1020	+	function TSQLDataItem.GetTimeZoneServices: IExTimeZoneServices;
1021	+	begin
1022	+	if FTimeZoneServices = nil then
1023	+	begin
1024	+	if not GetAttachment.HasTimeZoneSupport then
1025	+	IBError(ibxeNoTimezoneSupport,[]);
1026	+	GetAttachment.GetTimeZoneServices.QueryInterface(IExTimeZoneServices,FTimeZoneServices);
1027	+	end;
1028	+	Result := FTimeZoneServices;
1029	+	end;
1030	+
1031		procedure TSQLDataItem.Changed;
1032		begin
1033		//Do nothing by default
#	Line 996 | Line 1088 | begin
1088		SQL_LONG:             Result := 'SQL_LONG';
1089		SQL_SHORT:            Result := 'SQL_SHORT';
1090		SQL_TIMESTAMP:        Result := 'SQL_TIMESTAMP';
1091	+	SQL_TIMESTAMP_TZ:     Result := 'SQL_TIMESTAMP_TZ';
1092	+	SQL_TIMESTAMP_TZ_EX:  Result := 'SQL_TIMESTAMP_TZ_EX';
1093		SQL_BLOB:             Result := 'SQL_BLOB';
1094		SQL_D_FLOAT:          Result := 'SQL_D_FLOAT';
1095		SQL_ARRAY:            Result := 'SQL_ARRAY';
#	Line 1003 | Line 1097 | begin
1097		SQL_TYPE_TIME:        Result := 'SQL_TYPE_TIME';
1098		SQL_TYPE_DATE:        Result := 'SQL_TYPE_DATE';
1099		SQL_INT64:            Result := 'SQL_INT64';
1100	+	SQL_TIME_TZ:          Result := 'SQL_TIME_TZ';
1101	+	SQL_TIME_TZ_EX:       Result := 'SQL_TIME_TZ_EX';
1102	+	SQL_DEC_FIXED:        Result := 'SQL_DEC_FIXED';
1103	+	SQL_DEC16:            Result := 'SQL_DEC16';
1104	+	SQL_DEC34:            Result := 'SQL_DEC34';
1105	+	SQL_INT128:           Result := 'SQL_INT128';
1106	+	SQL_NULL:             Result := 'SQL_NULL';
1107	+	SQL_BOOLEAN:          Result := 'SQL_BOOLEAN';
1108		end;
1109		end;
1110
1111	+	function TSQLDataItem.GetStrDataLength: short;
1112	+	begin
1113	+	with FFirebirdClientAPI do
1114	+	if SQLType = SQL_VARYING then
1115	+	Result := DecodeInteger(SQLData, 2)
1116	+	else
1117	+	Result := DataLength;
1118	+	end;
1119	+
1120		function TSQLDataItem.GetAsBoolean: boolean;
1121		begin
1122		CheckActive;
#	Line 1045 | Line 1156 | begin
1156		result := AdjustScaleToCurrency(PInt64(SQLData)^,
1157		Scale);
1158		SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
1159	<	result := Trunc(AsDouble);
1159	>	result := Round(AsDouble);
1160	>
1161	>	SQL_DEC_FIXED,
1162	>	SQL_DEC16,
1163	>	SQL_DEC34,
1164	>	SQL_INT128:
1165	>	if not BCDToCurr(GetAsBCD,Result) then
1166	>	IBError(ibxeInvalidDataConversion, [nil]);
1167	>
1168		else
1169		IBError(ibxeInvalidDataConversion, [nil]);
1170		end;
#	Line 1075 | Line 1194 | begin
1194		result := AdjustScaleToInt64(PInt64(SQLData)^,
1195		Scale);
1196		SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
1197	<	result := Trunc(AsDouble);
1197	>	result := Round(AsDouble);
1198		else
1199		IBError(ibxeInvalidDataConversion, [nil]);
1200		end;
1201		end;
1202
1203		function TSQLDataItem.GetAsDateTime: TDateTime;
1204	+	var aTimezone: AnsiString;
1205	+	aTimeZoneID: TFBTimeZoneID;
1206	+	dstOffset: smallint;
1207	+	begin
1208	+	InternalGetAsDateTime(Result,dstOffset,aTimeZone,aTimeZoneID);
1209	+	end;
1210	+
1211	+	procedure TSQLDataItem.GetAsDateTime(var aDateTime: TDateTime;
1212	+	var dstOffset: smallint; var aTimezone: AnsiString);
1213	+	var aTimeZoneID: TFBTimeZoneID;
1214	+	begin
1215	+	InternalGetAsDateTime(aDateTime,dstOffset,aTimeZone,aTimeZoneID);
1216	+	end;
1217	+
1218	+	procedure TSQLDataItem.GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint;
1219	+	var aTimezoneID: TFBTimeZoneID);
1220	+	var aTimezone: AnsiString;
1221	+	begin
1222	+	InternalGetAsDateTime(aDateTime,dstOffset,aTimeZone,aTimeZoneID);
1223	+	end;
1224	+
1225	+	procedure TSQLDataItem.GetAsTime(var aTime: TDateTime; var dstOffset: smallint;
1226	+	var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime);
1227	+	var aTimeZone: AnsiString;
1228		begin
1229		CheckActive;
1230	<	result := 0;
1230	>	aTime := 0;
1231	>	dstOffset := 0;
1232		if not IsNull then
1233		with FFirebirdClientAPI do
1234		case SQLType of
1235	<	SQL_TEXT, SQL_VARYING: begin
1236	<	try
1237	<	result := StrToDate(AsString);
1238	<	except
1239	<	on E: EConvertError do IBError(ibxeInvalidDataConversion, [nil]);
1235	>	SQL_TIME_TZ:
1236	>	begin
1237	>	GetTimeZoneServices.DecodeTimeTZ(SQLData,OnDate,aTime,dstOffset,aTimeZone);
1238	>	aTimeZoneID := PISC_TIME_TZ(SQLData)^.time_zone;
1239	>	end;
1240	>	SQL_TIME_TZ_EX:
1241	>	begin
1242	>	GetTimeZoneServices.DecodeTimeTZEx(SQLData,OnDate,aTime,dstOffset,aTimeZone);
1243	>	aTimeZoneID := PISC_TIME_TZ_EX(SQLData)^.time_zone;
1244		end;
1245	+	else
1246	+	IBError(ibxeInvalidDataConversion, [nil]);
1247	+	end;
1248	+	end;
1249	+
1250	+	procedure TSQLDataItem.GetAsTime(var aTime: TDateTime; var dstOffset: smallint;
1251	+	var aTimezone: AnsiString; OnDate: TDateTime);
1252	+	begin
1253	+	CheckActive;
1254	+	aTime := 0;
1255	+	dstOffset := 0;
1256	+	if not IsNull then
1257	+	with FFirebirdClientAPI do
1258	+	case SQLType of
1259	+	SQL_TIME_TZ:
1260	+	GetTimeZoneServices.DecodeTimeTZ(SQLData,OnDate,aTime,dstOffset,aTimeZone);
1261	+	SQL_TIME_TZ_EX:
1262	+	GetTimeZoneServices.DecodeTimeTZEx(SQLData,OnDate,aTime,dstOffset,aTimeZone);
1263	+	else
1264	+	IBError(ibxeInvalidDataConversion, [nil]);
1265	+	end;
1266	+	end;
1267	+
1268	+	procedure TSQLDataItem.GetAsTime(var aTime: TDateTime; var dstOffset: smallint;
1269	+	var aTimezoneID: TFBTimeZoneID);
1270	+	begin
1271	+	GetAsTime(aTime,dstOffset,aTimeZoneID,GetTimeZoneServices.GetTimeTZDate);
1272	+	end;
1273	+
1274	+	procedure TSQLDataItem.GetAsTime(var aTime: TDateTime; var dstOffset: smallint;
1275	+	var aTimezone: AnsiString);
1276	+	begin
1277	+	GetAsTime(aTime,dstOffset,aTimeZone,GetTimeZoneServices.GetTimeTZDate);
1278	+	end;
1279	+
1280	+	function TSQLDataItem.GetAsUTCDateTime: TDateTime;
1281	+	var aTimezone: AnsiString;
1282	+	begin
1283	+	CheckActive;
1284	+	result := 0;
1285	+	aTimezone := '';
1286	+	if not IsNull then
1287	+	with FFirebirdClientAPI do
1288	+	case SQLType of
1289	+	SQL_TEXT, SQL_VARYING:
1290	+	begin
1291	+	if not ParseDateTimeTZString(AsString,Result,aTimeZone) then
1292	+	IBError(ibxeInvalidDataConversion, [nil]);
1293	+	Result := GetTimeZoneServices.LocalTimeToGMT(Result,aTimeZone);
1294		end;
1295		SQL_TYPE_DATE:
1296		result := SQLDecodeDate(SQLData);
1297	<	SQL_TYPE_TIME:
1297	>	SQL_TYPE_TIME,
1298	>	SQL_TIME_TZ,
1299	>	SQL_TIME_TZ_EX:
1300		result := SQLDecodeTime(SQLData);
1301	<	SQL_TIMESTAMP:
1301	>	SQL_TIMESTAMP,
1302	>	SQL_TIMESTAMP_TZ,
1303	>	SQL_TIMESTAMP_TZ_EX:
1304		result := SQLDecodeDateTime(SQLData);
1305		else
1306		IBError(ibxeInvalidDataConversion, [nil]);
1307	<	end;
1307	>	end;
1308		end;
1309
1310		function TSQLDataItem.GetAsDouble: Double;
#	Line 1131 | Line 1332 | begin
1332		result := PFloat(SQLData)^;
1333		SQL_DOUBLE, SQL_D_FLOAT:
1334		result := PDouble(SQLData)^;
1335	+	SQL_DEC_FIXED,
1336	+	SQL_DEC16,
1337	+	SQL_DEC34,
1338	+	SQL_INT128:
1339	+	Result := BCDToDouble(GetAsBCD);
1340		else
1341		IBError(ibxeInvalidDataConversion, [nil]);
1342		end;
#	Line 1167 | Line 1373 | begin
1373		end;
1374		end;
1375		SQL_SHORT:
1376	<	result := Trunc(AdjustScale(Int64(PShort(SQLData)^),
1376	>	result := Round(AdjustScale(Int64(PShort(SQLData)^),
1377		Scale));
1378		SQL_LONG:
1379	<	result := Trunc(AdjustScale(Int64(PLong(SQLData)^),
1379	>	result := Round(AdjustScale(Int64(PLong(SQLData)^),
1380		Scale));
1381		SQL_INT64:
1382	<	result := Trunc(AdjustScale(PInt64(SQLData)^, Scale));
1382	>	result := Round(AdjustScale(PInt64(SQLData)^, Scale));
1383		SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
1384	<	result := Trunc(AsDouble);
1384	>	result := Round(AsDouble);
1385	>	SQL_DEC_FIXED,
1386	>	SQL_DEC16,
1387	>	SQL_DEC34,
1388	>	SQL_INT128:
1389	>	Result := BCDToInteger(GetAsBCD);
1390		else
1391	<	IBError(ibxeInvalidDataConversion, [nil]);
1391	>	IBError(ibxeInvalidDataConversion, [GetSQLTypeName]);
1392		end;
1393		end;
1394
#	Line 1215 | Line 1426 | begin
1426		end;
1427		end;
1428
1429	+	{Copied from LazUTF8}
1430	+
1431	+	function UTF8CodepointSizeFull(p: PAnsiChar): integer;
1432	+	const TopBitSetMask   = $80; {%10000000}
1433	+	Top2BitsSetMask = $C0; {%11000000}
1434	+	Top3BitsSetMask = $E0; {%11100000}
1435	+	Top4BitsSetMask = $F0; {%11110000}
1436	+	Top5BitsSetMask = $F8; {%11111000}
1437	+	begin
1438	+	case p^ of
1439	+	#0..#191: // %11000000
1440	+	// regular single byte character (#0 is a character, this is Pascal ;)
1441	+	Result:=1;
1442	+	#192..#223: // p^ and %11100000 = %11000000
1443	+	begin
1444	+	// could be 2 byte character
1445	+	if (ord(p[1]) and Top2BitsSetMask) = TopBitSetMask then
1446	+	Result:=2
1447	+	else
1448	+	Result:=1;
1449	+	end;
1450	+	#224..#239: // p^ and %11110000 = %11100000
1451	+	begin
1452	+	// could be 3 byte character
1453	+	if ((ord(p[1]) and Top2BitsSetMask) = TopBitSetMask)
1454	+	and ((ord(p[2]) and Top2BitsSetMask) = TopBitSetMask) then
1455	+	Result:=3
1456	+	else
1457	+	Result:=1;
1458	+	end;
1459	+	#240..#247: // p^ and %11111000 = %11110000
1460	+	begin
1461	+	// could be 4 byte character
1462	+	if ((ord(p[1]) and Top2BitsSetMask) = TopBitSetMask)
1463	+	and ((ord(p[2]) and Top2BitsSetMask) = TopBitSetMask)
1464	+	and ((ord(p[3]) and Top2BitsSetMask) = TopBitSetMask) then
1465	+	Result:=4
1466	+	else
1467	+	Result:=1;
1468	+	end;
1469	+	else
1470	+	Result:=1;
1471	+	end;
1472	+	end;
1473	+
1474	+	{Returns the byte length of a UTF8 string with a fixed charwidth}
1475	+
1476	+	function GetStrLen(p: PAnsiChar; FieldWidth, MaxDataLength: cardinal): integer;
1477	+	var i: integer;
1478	+	cplen: integer;
1479	+	s: AnsiString;
1480	+	begin
1481	+	Result := 0;
1482	+	s := strpas(p);
1483	+	for i := 1 to FieldWidth do
1484	+	begin
1485	+	cplen := UTF8CodepointSizeFull(p);
1486	+	Inc(p,cplen);
1487	+	Inc(Result,cplen);
1488	+	if Result >= MaxDataLength then
1489	+	begin
1490	+	Result := MaxDataLength;
1491	+	Exit;
1492	+	end;
1493	+	end;
1494	+	end;
1495
1496		function TSQLDataItem.GetAsString: AnsiString;
1497		var
1498		sz: PByte;
1499		str_len: Integer;
1500		rs: RawByteString;
1501	+	aTimeZone: AnsiString;
1502	+	aDateTime: TDateTime;
1503	+	dstOffset: smallint;
1504		begin
1505		CheckActive;
1506		result := '';
#	Line 1238 | Line 1518 | begin
1518		begin
1519		sz := SQLData;
1520		if (SQLType = SQL_TEXT) then
1521	<	str_len := DataLength
1521	>	begin
1522	>	if GetCodePage = cp_utf8 then
1523	>	str_len := GetStrLen(PAnsiChar(sz),GetSize div GetCharSetWidth,DataLength)
1524	>	else
1525	>	str_len := DataLength
1526	>	end
1527		else begin
1528	<	str_len := DecodeInteger(SQLData, 2);
1528	>	str_len := DecodeInteger(sz, 2);
1529		Inc(sz, 2);
1530		end;
1531		SetString(rs, PAnsiChar(sz), str_len);
1532		SetCodePage(rs,GetCodePage,false);
1533	<	if (SQLType = SQL_TEXT) and (GetCharSetID <> 1) then
1249	<	Result := TrimRight(rs)
1250	<	else
1251	<	Result := rs
1533	>	Result := rs;
1534		end;
1535	+
1536		SQL_TYPE_DATE:
1537	<	case GetSQLDialect of
1255	<	1 : result := DateTimeToStr(AsDateTime);
1256	<	3 : result := DateToStr(AsDateTime);
1257	<	end;
1258	<	SQL_TYPE_TIME :
1259	<	result := TimeToStr(AsDateTime);
1537	>	Result := DateToStr(GetAsDateTime);
1538		SQL_TIMESTAMP:
1539	<	{$IF declared(DefaultFormatSettings)}
1540	<	with DefaultFormatSettings do
1541	<	{$ELSE}
1542	<	{$IF declared(FormatSettings)}
1543	<	with FormatSettings do
1544	<	{$IFEND}
1545	<	{$IFEND}
1546	<	result := FormatDateTime(ShortDateFormat + ' ' +
1547	<	LongTimeFormat+'.zzz',AsDateTime);
1539	>	Result := FBFormatDateTime(GetTimestampFormatStr,GetAsDateTime);
1540	>	SQL_TYPE_TIME:
1541	>	Result := FBFormatDateTime(GetTimeFormatStr,GetAsDateTime);
1542	>	SQL_TIMESTAMP_TZ,
1543	>	SQL_TIMESTAMP_TZ_EX:
1544	>	with GetAttachment.GetTimeZoneServices do
1545	>	begin
1546	>	if GetTZTextOption = tzGMT then
1547	>	Result := FBFormatDateTime(GetTimestampFormatStr,GetAsUTCDateTime)
1548	>	else
1549	>	begin
1550	>	GetAsDateTime(aDateTime,dstOffset,aTimeZone);
1551	>	if GetTZTextOption = tzOffset then
1552	>	Result := FBFormatDateTime(GetTimestampFormatStr,aDateTime) + ' ' + FormatTimeZoneOffset(dstOffset)
1553	>	else
1554	>	Result := FBFormatDateTime(GetTimestampFormatStr,aDateTime) + ' ' + aTimeZone;
1555	>	end;
1556	>	end;
1557	>	SQL_TIME_TZ,
1558	>	SQL_TIME_TZ_EX:
1559	>	with GetAttachment.GetTimeZoneServices do
1560	>	begin
1561	>	if GetTZTextOption = tzGMT then
1562	>	Result := FBFormatDateTime(GetTimeFormatStr,GetAsUTCDateTime)
1563	>	else
1564	>	begin
1565	>	GetAsTime(aDateTime,dstOffset,aTimeZone,GetTimeTZDate);
1566	>	if GetTZTextOption = tzOffset then
1567	>	Result := FBFormatDateTime(GetTimeFormatStr,aDateTime) + ' ' + FormatTimeZoneOffset(dstOffset)
1568	>	else
1569	>	Result := FBFormatDateTime(GetTimeFormatStr,aDateTime) + ' ' + aTimeZone;
1570	>	end;
1571	>	end;
1572	>
1573		SQL_SHORT, SQL_LONG:
1574		if Scale = 0 then
1575		result := IntToStr(AsLong)
#	Line 1283 | Line 1586 | begin
1586		result := FloatToStr(AsDouble);
1587		SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
1588		result := FloatToStr(AsDouble);
1589	+
1590	+	SQL_DEC16,
1591	+	SQL_DEC34:
1592	+	result := BCDToStr(GetAsBCD);
1593	+
1594	+	SQL_DEC_FIXED,
1595	+	SQL_INT128:
1596	+	result := Int128ToStr(SQLData,scale);
1597	+
1598		else
1599		IBError(ibxeInvalidDataConversion, [nil]);
1600		end;
#	Line 1294 | Line 1606 | begin
1606		Result := false;
1607		end;
1608
1609	<	function TSQLDataItem.getIsNullable: boolean;
1609	>	function TSQLDataItem.GetIsNullable: boolean;
1610		begin
1611		CheckActive;
1612		Result := false;
1613		end;
1614
1615		function TSQLDataItem.GetAsVariant: Variant;
1616	+	var ts: TDateTime;
1617	+	dstOffset: smallint;
1618	+	timezone: AnsiString;
1619		begin
1620		CheckActive;
1621		if IsNull then
#	Line 1314 | Line 1629 | begin
1629		result := AsString;
1630		SQL_TIMESTAMP, SQL_TYPE_DATE, SQL_TYPE_TIME:
1631		result := AsDateTime;
1632	+	SQL_TIMESTAMP_TZ,
1633	+	SQL_TIME_TZ,
1634	+	SQL_TIMESTAMP_TZ_EX,
1635	+	SQL_TIME_TZ_EX:
1636	+	begin
1637	+	GetAsDateTime(ts,dstOffset,timezone);
1638	+	result := VarArrayOf([ts,dstOffset,timezone]);
1639	+	end;
1640		SQL_SHORT, SQL_LONG:
1641		if Scale = 0 then
1642		result := AsLong
#	Line 1332 | Line 1655 | begin
1655		result := AsDouble;
1656		SQL_BOOLEAN:
1657		result := AsBoolean;
1658	+	SQL_DEC_FIXED,
1659	+	SQL_DEC16,
1660	+	SQL_DEC34,
1661	+	SQL_INT128:
1662	+	result := VarFmtBCDCreate(GetAsBcd);
1663		else
1664		IBError(ibxeInvalidDataConversion, [nil]);
1665		end;
#	Line 1342 | Line 1670 | begin
1670		Result := false;
1671		end;
1672
1673	+	function TSQLDataItem.GetDateTimeStrLength(DateTimeFormat: TIBDateTimeFormats
1674	+	): integer;
1675	+	begin
1676	+	case DateTimeFormat of
1677	+	dfTimestamp:
1678	+	Result := Length(GetTimestampFormatStr);
1679	+	dfDateTime:
1680	+	Result := Length(GetDateFormatStr(true));
1681	+	dfTime:
1682	+	Result := Length(GetTimeFormatStr);
1683	+	dfTimestampTZ:
1684	+	Result := Length(GetTimestampFormatStr) + 6; {assume time offset format}
1685	+	dfTimeTZ:
1686	+	Result := Length(GetTimeFormatStr)+ 6;
1687	+	else
1688	+	Result := 0;
1689	+	end;end;
1690	+
1691	+	function TSQLDataItem.GetAsBCD: tBCD;
1692	+
1693	+	begin
1694	+	CheckActive;
1695	+	if IsNull then
1696	+	with Result do
1697	+	begin
1698	+	FillChar(Result,sizeof(Result),0);
1699	+	Precision := 1;
1700	+	exit;
1701	+	end;
1702	+
1703	+	case SQLType of
1704	+	SQL_DEC16,
1705	+	SQL_DEC34:
1706	+	with FFirebirdClientAPI do
1707	+	Result := SQLDecFloatDecode(SQLType,  SQLData);
1708	+
1709	+	SQL_DEC_FIXED,
1710	+	SQL_INT128:
1711	+	with FFirebirdClientAPI do
1712	+	Result := StrToBCD(Int128ToStr(SQLData,scale));
1713	+	else
1714	+	if not CurrToBCD(GetAsCurrency,Result) then
1715	+	IBError(ibxeBadBCDConversion,[]);
1716	+	end;
1717	+	end;
1718	+
1719
1720		procedure TSQLDataItem.SetIsNull(Value: Boolean);
1721		begin
#	Line 1430 | Line 1804 | begin
1804		Changed;
1805		end;
1806
1807	+	procedure TSQLDataItem.SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID);
1808	+	begin
1809	+	CheckActive;
1810	+	CheckTZSupport;
1811	+	if GetSQLDialect < 3 then
1812	+	begin
1813	+	AsDateTime := aValue;
1814	+	exit;
1815	+	end;
1816	+
1817	+	Changing;
1818	+	if IsNullable then
1819	+	IsNull := False;
1820	+
1821	+	SQLType := SQL_TIME_TZ;
1822	+	DataLength := SizeOf(ISC_TIME_TZ);
1823	+	GetTimeZoneServices.EncodeTimeTZ(aValue, aTimeZoneID,OnDate,SQLData);
1824	+	Changed;
1825	+	end;
1826	+
1827	+	procedure TSQLDataItem.SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString);
1828	+	begin
1829	+	CheckActive;
1830	+	CheckTZSupport;
1831	+	if GetSQLDialect < 3 then
1832	+	begin
1833	+	AsDateTime := aValue;
1834	+	exit;
1835	+	end;
1836	+
1837	+	Changing;
1838	+	if IsNullable then
1839	+	IsNull := False;
1840	+
1841	+	SQLType := SQL_TIME_TZ;
1842	+	DataLength := SizeOf(ISC_TIME_TZ);
1843	+	GetTimeZoneServices.EncodeTimeTZ(aValue, aTimeZone,OnDate,SQLData);
1844	+	Changed;
1845	+	end;
1846	+
1847		procedure TSQLDataItem.SetAsDateTime(Value: TDateTime);
1848		begin
1849		CheckActive;
#	Line 1444 | Line 1858 | begin
1858		Changed;
1859		end;
1860
1861	+	procedure TSQLDataItem.SetAsDateTime(aValue: TDateTime;
1862	+	aTimeZoneID: TFBTimeZoneID);
1863	+	begin
1864	+	CheckActive;
1865	+	CheckTZSupport;
1866	+	if IsNullable then
1867	+	IsNull := False;
1868	+
1869	+	Changing;
1870	+	SQLType := SQL_TIMESTAMP_TZ;
1871	+	DataLength := SizeOf(ISC_TIMESTAMP_TZ);
1872	+	GetTimeZoneServices.EncodeTimestampTZ(aValue,aTimeZoneID,SQLData);
1873	+	Changed;
1874	+	end;
1875	+
1876	+	procedure TSQLDataItem.SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString
1877	+	);
1878	+	begin
1879	+	CheckActive;
1880	+	CheckTZSupport;
1881	+	if IsNullable then
1882	+	IsNull := False;
1883	+
1884	+	Changing;
1885	+	SQLType := SQL_TIMESTAMP_TZ;
1886	+	DataLength := SizeOf(ISC_TIMESTAMP_TZ);
1887	+	GetTimeZoneServices.EncodeTimestampTZ(aValue,aTimeZone,SQLData);
1888	+	Changed;
1889	+	end;
1890	+
1891	+	procedure TSQLDataItem.SetAsUTCDateTime(aUTCTime: TDateTime);
1892	+	begin
1893	+	SetAsDateTime(aUTCTime,TimeZoneID_GMT);
1894	+	end;
1895	+
1896		procedure TSQLDataItem.SetAsDouble(Value: Double);
1897		begin
1898		CheckActive;
#	Line 1539 | Line 1988 | begin
1988		CheckActive;
1989		if VarIsNull(Value) then
1990		IsNull := True
1991	+	else
1992	+	if VarIsArray(Value) then {must be datetime plus timezone}
1993	+	SetAsDateTime(Value[0],AnsiString(Value[1]))
1994		else case VarType(Value) of
1995		varEmpty, varNull:
1996		IsNull := True;
#	Line 1561 | Line 2013 | begin
2013		IBError(ibxeNotSupported, [nil]);
2014		varByRef, varDispatch, varError, varUnknown, varVariant:
2015		IBError(ibxeNotPermitted, [nil]);
2016	+	else
2017	+	if VarIsFmtBCD(Value) then
2018	+	SetAsBCD(VarToBCD(Value))
2019	+	else
2020	+	IBError(ibxeNotSupported, [nil]);
2021		end;
2022		end;
2023
#	Line 1578 | Line 2035 | begin
2035		Changed;
2036		end;
2037
2038	+	procedure TSQLDataItem.SetAsBcd(aValue: tBCD);
2039	+	var C: Currency;
2040	+	begin
2041	+	CheckActive;
2042	+	Changing;
2043	+	if IsNullable then
2044	+	IsNull := False;
2045	+
2046	+
2047	+	with FFirebirdClientAPI do
2048	+	if aValue.Precision <= 16 then
2049	+	begin
2050	+	if not HasDecFloatSupport then
2051	+	IBError(ibxeDecFloatNotSupported,[]);
2052	+
2053	+	SQLType := SQL_DEC16;
2054	+	DataLength := 8;
2055	+	SQLDecFloatEncode(aValue,SQLType,SQLData);
2056	+	end
2057	+	else
2058	+	if aValue.Precision <= 34 then
2059	+	begin
2060	+	if not HasDecFloatSupport then
2061	+	IBError(ibxeDecFloatNotSupported,[]);
2062	+
2063	+	SQLType := SQL_DEC34;
2064	+	DataLength := 16;
2065	+	SQLDecFloatEncode(aValue,SQLType,SQLData);
2066	+	end
2067	+	else
2068	+	if aValue.Precision <= 38 then
2069	+	begin
2070	+	if not HasInt128Support then
2071	+	IBError(ibxeInt128NotSupported,[]);
2072	+
2073	+	SQLType := SQL_INT128;
2074	+	DataLength := 16;
2075	+	StrToInt128(scale,BcdToStr(aValue),SQLData);
2076	+	end
2077	+	else
2078	+	IBError(ibxeBCDOverflow,[BCDToStr(aValue)]);
2079	+
2080	+	Changed;
2081	+	end;
2082	+
2083		procedure TSQLDataItem.SetAsBoolean(AValue: boolean);
2084		begin
2085		CheckActive;
#	Line 1608 | Line 2110 | begin
2110		IBError(ibxeStatementNotPrepared, [nil]);
2111		end;
2112
2113	+	function TColumnMetaData.GetAttachment: IAttachment;
2114	+	begin
2115	+	Result := GetStatement.GetAttachment;
2116	+	end;
2117	+
2118		function TColumnMetaData.SQLData: PByte;
2119		begin
2120		Result := FIBXSQLVAR.SQLData;
#	Line 1712 | Line 2219 | end;
2219		function TColumnMetaData.GetSize: cardinal;
2220		begin
2221		CheckActive;
2222	<	result := FIBXSQLVAR.DataLength;
2222	>	result := FIBXSQLVAR.GetSize;
2223	>	end;
2224	>
2225	>	function TColumnMetaData.GetCharSetWidth: integer;
2226	>	begin
2227	>	CheckActive;
2228	>	result := FIBXSQLVAR.GetCharSetWidth;
2229		end;
2230
2231		function TColumnMetaData.GetArrayMetaData: IArrayMetaData;
#	Line 1727 | Line 2240 | begin
2240		result := FIBXSQLVAR.GetBlobMetaData;
2241		end;
2242
2243	+	function TColumnMetaData.GetStatement: IStatement;
2244	+	begin
2245	+	Result := FIBXSQLVAR.GetStatement;
2246	+	end;
2247	+
2248	+	function TColumnMetaData.GetTransaction: ITransaction;
2249	+	begin
2250	+	Result := GetStatement.GetTransaction;
2251	+	end;
2252	+
2253		{ TIBSQLData }
2254
2255		procedure TIBSQLData.CheckActive;
#	Line 1746 | Line 2269 | begin
2269		IBError(ibxeBOF,[nil]);
2270		end;
2271
2272	+	function TIBSQLData.GetTransaction: ITransaction;
2273	+	begin
2274	+	if FTransaction = nil then
2275	+	Result := inherited GetTransaction
2276	+	else
2277	+	Result := FTransaction;
2278	+	end;
2279	+
2280		function TIBSQLData.GetIsNull: Boolean;
2281		begin
2282		CheckActive;
#	Line 1789 | Line 2320 | end;
2320		{ TSQLParam }
2321
2322		procedure TSQLParam.InternalSetAsString(Value: AnsiString);
2323	+
2324	+	procedure DoSetString;
2325	+	begin
2326	+	Changing;
2327	+	FIBXSQLVar.SetString(Transliterate(Value,GetCodePage));
2328	+	Changed;
2329	+	end;
2330	+
2331		var b: IBlob;
2332		dt: TDateTime;
2333	+	CurrValue: Currency;
2334	+	FloatValue: single;
2335	+	timezone: AnsiString;
2336		begin
2337		CheckActive;
2338		if IsNullable then
2339		IsNull := False;
2340	+	with FFirebirdClientAPI do
2341		case SQLTYPE of
2342		SQL_BOOLEAN:
2343		if AnsiCompareText(Value,STrue) = 0 then
#	Line 1806 | Line 2349 | begin
2349		IBError(ibxeInvalidDataConversion,[nil]);
2350
2351		SQL_BLOB:
2352	+	if Length(Value) < GetAttachment.GetInlineBlobLimit then
2353	+	DoSetString
2354	+	else
2355		begin
2356		Changing;
2357		b := FIBXSQLVAR.CreateBlob;
#	Line 1816 | Line 2362 | begin
2362
2363		SQL_VARYING,
2364		SQL_TEXT:
2365	<	begin
1820	<	Changing;
1821	<	FIBXSQLVar.SetString(Transliterate(Value,GetCodePage));
1822	<	Changed;
1823	<	end;
2365	>	DoSetString;
2366
2367		SQL_SHORT,
2368		SQL_LONG,
2369		SQL_INT64:
2370	<	SetAsNumeric(AdjustScaleFromCurrency(StrToCurr(Value),GetScale),GetScale);
2370	>	if TryStrToCurr(Value,CurrValue) then
2371	>	SetAsNumeric(AdjustScaleFromCurrency(CurrValue,GetScale),GetScale)
2372	>	else
2373	>	DoSetString;
2374
2375		SQL_D_FLOAT,
2376		SQL_DOUBLE,
2377		SQL_FLOAT:
2378	<	SetAsDouble(StrToFloat(Value));
2378	>	if TryStrToFloat(Value,FloatValue) then
2379	>	SetAsDouble(FloatValue)
2380	>	else
2381	>	DoSetString;
2382
2383		SQL_TIMESTAMP:
2384		if TryStrToDateTime(Value,dt) then
2385		SetAsDateTime(dt)
2386		else
2387	<	FIBXSQLVar.SetString(Value);
2387	>	DoSetString;
2388
2389		SQL_TYPE_DATE:
2390		if TryStrToDateTime(Value,dt) then
2391		SetAsDate(dt)
2392		else
2393	<	FIBXSQLVar.SetString(Value);
2393	>	DoSetString;
2394
2395		SQL_TYPE_TIME:
2396		if TryStrToDateTime(Value,dt) then
2397		SetAsTime(dt)
2398		else
2399	<	FIBXSQLVar.SetString(Value);
2399	>	DoSetString;
2400	>
2401	>	SQL_TIMESTAMP_TZ:
2402	>	if ParseDateTimeTZString(value,dt,timezone) then
2403	>	SetAsDateTime(dt,timezone)
2404	>	else
2405	>	DoSetString;
2406	>
2407	>	SQL_TIME_TZ:
2408	>	if ParseDateTimeTZString(value,dt,timezone,true) then
2409	>	SetAsTime(dt,GetAttachment.GetTimeZoneServices.GetTimeTZDate,timezone)
2410	>	else
2411	>	DoSetString;
2412	>
2413	>	SQL_DEC_FIXED,
2414	>	SQL_DEC16,
2415	>	SQL_DEC34,
2416	>	SQL_INT128:
2417	>	SetAsBCD(StrToBCD(Value));
2418
2419		else
2420	<	IBError(ibxeInvalidDataConversion,[nil]);
2420	>	IBError(ibxeInvalidDataConversion,[GetSQLTypeName(SQLType)]);
2421		end;
2422		end;
2423
#	Line 1902 | Line 2468 | begin
2468		Result := inherited GetAsPointer;
2469		end;
2470
2471	+	function TSQLParam.GetAsString: AnsiString;
2472	+	var rs: RawByteString;
2473	+	begin
2474	+	Result := '';
2475	+	if (SQLType = SQL_VARYING) and not IsNull then
2476	+	{SQLData points to start of string - default is to length word}
2477	+	begin
2478	+	CheckActive;
2479	+	SetString(rs,PAnsiChar(SQLData),DataLength);
2480	+	SetCodePage(rs,GetCodePage,false);
2481	+	Result := rs;
2482	+	end
2483	+	else
2484	+	Result := inherited GetAsString;
2485	+	end;
2486	+
2487		procedure TSQLParam.SetName(Value: AnsiString);
2488		begin
2489		CheckActive;
#	Line 2093 | Line 2675 | begin
2675		end;
2676		end;
2677
2678	+	procedure TSQLParam.SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID);
2679	+	var i: integer;
2680	+	OldSQLVar: TSQLVarData;
2681	+	begin
2682	+	if FIBXSQLVAR.UniqueName then
2683	+	inherited SetAsTime(AValue,OnDate, aTimeZoneID)
2684	+	else
2685	+	with FIBXSQLVAR.Parent do
2686	+	begin
2687	+	for i := 0 to Count - 1 do
2688	+	if Column[i].Name = Name then
2689	+	begin
2690	+	OldSQLVar := FIBXSQLVAR;
2691	+	FIBXSQLVAR := Column[i];
2692	+	try
2693	+	inherited SetAsTime(AValue,OnDate, aTimeZoneID);
2694	+	finally
2695	+	FIBXSQLVAR := OldSQLVar;
2696	+	end;
2697	+	end;
2698	+	end;
2699	+	end;
2700	+
2701	+	procedure TSQLParam.SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString);
2702	+	var i: integer;
2703	+	OldSQLVar: TSQLVarData;
2704	+	begin
2705	+	if FIBXSQLVAR.UniqueName then
2706	+	inherited SetAsTime(AValue,OnDate,aTimeZone)
2707	+	else
2708	+	with FIBXSQLVAR.Parent do
2709	+	begin
2710	+	for i := 0 to Count - 1 do
2711	+	if Column[i].Name = Name then
2712	+	begin
2713	+	OldSQLVar := FIBXSQLVAR;
2714	+	FIBXSQLVAR := Column[i];
2715	+	try
2716	+	inherited SetAsTime(AValue,OnDate,aTimeZone);
2717	+	finally
2718	+	FIBXSQLVAR := OldSQLVar;
2719	+	end;
2720	+	end;
2721	+	end;
2722	+	end;
2723	+
2724	+	procedure TSQLParam.SetAsTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID);
2725	+	begin
2726	+	SetAsTime(aValue,GetTimeZoneServices.GetTimeTZDate,aTimeZoneID);
2727	+	end;
2728	+
2729	+	procedure TSQLParam.SetAsTime(aValue: TDateTime; aTimeZone: AnsiString);
2730	+	begin
2731	+	SetAsTime(aValue,GetTimeZoneServices.GetTimeTZDate,aTimeZone);
2732	+	end;
2733	+
2734		procedure TSQLParam.SetAsDateTime(AValue: TDateTime);
2735		var i: integer;
2736		OldSQLVar: TSQLVarData;
#	Line 2116 | Line 2754 | begin
2754		end;
2755		end;
2756
2757	+	procedure TSQLParam.SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID
2758	+	);
2759	+	var i: integer;
2760	+	OldSQLVar: TSQLVarData;
2761	+	begin
2762	+	if FIBXSQLVAR.UniqueName then
2763	+	inherited SetAsDateTime(AValue,aTimeZoneID)
2764	+	else
2765	+	with FIBXSQLVAR.Parent do
2766	+	begin
2767	+	for i := 0 to Count - 1 do
2768	+	if Column[i].Name = Name then
2769	+	begin
2770	+	OldSQLVar := FIBXSQLVAR;
2771	+	FIBXSQLVAR := Column[i];
2772	+	try
2773	+	inherited SetAsDateTime(AValue,aTimeZoneID);
2774	+	finally
2775	+	FIBXSQLVAR := OldSQLVar;
2776	+	end;
2777	+	end;
2778	+	end;
2779	+	end;
2780	+
2781	+	procedure TSQLParam.SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString);
2782	+	var i: integer;
2783	+	OldSQLVar: TSQLVarData;
2784	+	begin
2785	+	if FIBXSQLVAR.UniqueName then
2786	+	inherited SetAsDateTime(AValue,aTimeZone)
2787	+	else
2788	+	with FIBXSQLVAR.Parent do
2789	+	begin
2790	+	for i := 0 to Count - 1 do
2791	+	if Column[i].Name = Name then
2792	+	begin
2793	+	OldSQLVar := FIBXSQLVAR;
2794	+	FIBXSQLVAR := Column[i];
2795	+	try
2796	+	inherited SetAsDateTime(AValue,aTimeZone);
2797	+	finally
2798	+	FIBXSQLVAR := OldSQLVar;
2799	+	end;
2800	+	end;
2801	+	end;
2802	+	end;
2803	+
2804		procedure TSQLParam.SetAsDouble(AValue: Double);
2805		var i: integer;
2806		OldSQLVar: TSQLVarData;
#	Line 2296 | Line 2981 | begin
2981		FIBXSQLVAR.SetCharSetID(aValue);
2982		end;
2983
2984	+	procedure TSQLParam.SetAsBcd(aValue: tBCD);
2985	+	var i: integer;
2986	+	OldSQLVar: TSQLVarData;
2987	+	begin
2988	+	if FIBXSQLVAR.UniqueName then
2989	+	inherited SetAsBcd(AValue)
2990	+	else
2991	+	with FIBXSQLVAR.Parent do
2992	+	begin
2993	+	for i := 0 to Count - 1 do
2994	+	if Column[i].Name = Name then
2995	+	begin
2996	+	OldSQLVar := FIBXSQLVAR;
2997	+	FIBXSQLVAR := Column[i];
2998	+	try
2999	+	inherited SetAsBcd(AValue);
3000	+	finally
3001	+	FIBXSQLVAR := OldSQLVar;
3002	+	end;
3003	+	end;
3004	+	end;
3005	+	end;
3006	+
3007		{ TMetaData }
3008
3009		procedure TMetaData.CheckActive;
#	Line 2434 | Line 3142 | begin
3142		end;
3143		end;
3144
3145	+	function TSQLParams.GetHasCaseSensitiveParams: Boolean;
3146	+	begin
3147	+	Result := FSQLParams.CaseSensitiveParams;
3148	+	end;
3149	+
3150		{ TResults }
3151
3152		procedure TResults.CheckActive;
#	Line 2446 | Line 3159 | begin
3159		if not FResults.CheckStatementStatus(ssPrepared)  then
3160		IBError(ibxeStatementNotPrepared, [nil]);
3161
3162	<	with GetTransaction as TFBTransaction do
3162	>	with GetTransaction do
3163		if not InTransaction or (FResults.TransactionSeqNo <> FTransactionSeqNo) then
3164		IBError(ibxeInterfaceOutofDate,[nil]);
3165		end;
3166
3167		function TResults.GetISQLData(aIBXSQLVAR: TSQLVarData): ISQLData;
3168	+	var col: TIBSQLData;
3169		begin
3170		if (aIBXSQLVAR.Index < 0) or (aIBXSQLVAR.Index >= getCount) then
3171		IBError(ibxeInvalidColumnIndex,[nil]);
3172
3173		if not HasInterface(aIBXSQLVAR.Index) then
3174		AddInterface(aIBXSQLVAR.Index, TIBSQLData.Create(self,aIBXSQLVAR));
3175	<	Result := TIBSQLData(GetInterface(aIBXSQLVAR.Index));
3175	>	col := TIBSQLData(GetInterface(aIBXSQLVAR.Index));
3176	>	col.FTransaction := GetTransaction;
3177	>	Result := col;
3178		end;
3179
3180		constructor TResults.Create(aResults: TSQLDataArea);
#	Line 2515 | Line 3231 | begin
3231		FResults.GetData(index,IsNull, len,data);
3232		end;
3233
3234	+	function TResults.GetStatement: IStatement;
3235	+	begin
3236	+	Result := FStatement;
3237	+	end;
3238	+
3239		function TResults.GetTransaction: ITransaction;
3240		begin
3241		Result := FStatement.GetTransaction;

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